NWS Boulder
@NWSBoulder

Official Twitter account for the National Weather Service Denver/Boulder forecast office. Details: weather.gov/twitter

 Boulder Colorado
weather.gov/bou
Joined June 2012
The heat is here to stay! Hot and sunny conditions are expected this week with afternoon highs in the low to mid 90s. Despite the heat, there will be a chance for isolated storms each afternoon with the highest potential on Tuesday and Wednesday. #COWx
Extended forecast graphic depicting daily temperatures and precipitation chances overlayed over an aerial photo of the Denver metro. Weather icons summarize the conditions expected. A sun icon with a "Hot!" banner is pictured for Monday and Tuesday. A "scattered" thunderstorm banner is pictured over the sun icon for Tuesday and Wednesday.

ALT Extended forecast graphic depicting daily temperatures and precipitation chances overlayed over an aerial photo of the Denver metro. Weather icons summarize the conditions expected. A sun icon with a "Hot!" banner is pictured for Monday and Tuesday. A "scattered" thunderstorm banner is pictured over the sun icon for Tuesday and Wednesday.
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Aviso de Tormenta Severa continúa Washington County, CO hasta las 6:30 PM MDT. ¡Esta tormenta contiene granizo del tamañode un limon
Este gráfico muestra la localización en el mapa de un aviso de tormenta severa. El aviso estará en efecto hasta las 6:30 PM MDT. El aviso incluye a Washington County, CO. El aviso incluye el noreste del condado de Washington . Las amenazas asociadas a este aviso son: ráfagas de viento de 60 MPH y granizo del tamaño de un limon. Hay 146 personas bajo este aviso incluyendo 3 escuelas y 0 hospitales.

ALT Este gráfico muestra la localización en el mapa de un aviso de tormenta severa. El aviso estará en efecto hasta las 6:30 PM MDT. El aviso incluye a Washington County, CO. El aviso incluye el noreste del condado de Washington . Las amenazas asociadas a este aviso son: ráfagas de viento de 60 MPH y granizo del tamaño de un limon. Hay 146 personas bajo este aviso incluyendo 3 escuelas y 0 hospitales.
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Severe Thunderstorm Warning continues for Washington County, CO until 6:30 PM MDT. This storm will contain two inch sized hail!
This graphic displays a severe thunderstorm warning plotted on a map. The warning is in effect until 6:30 PM MDT. The warning includes Washington County, CO. This warning is for Northeastern Washington County. The threats associated with this warning are wind gusts up to 60 MPH and two inch sized hail. There are 146 people in the warning along with 3 schools and 0 hospitals.

ALT This graphic displays a severe thunderstorm warning plotted on a map. The warning is in effect until 6:30 PM MDT. The warning includes Washington County, CO. This warning is for Northeastern Washington County. The threats associated with this warning are wind gusts up to 60 MPH and two inch sized hail. There are 146 people in the warning along with 3 schools and 0 hospitals.
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Aviso de Tormenta Severa incluye Otis CO, Platner CO hasta las 6:30 PM MDT. ¡Esta tormenta contiene granizo del tamañode una pelota de golf
Este gráfico muestra la localización en el mapa de un aviso de tormenta severa. El aviso estará en efecto hasta las 6:30 PM MDT. El aviso incluye a Otis CO, Platner CO. El aviso incluye el noreste del condado de Washington en el noreste de Colorado. Las amenazas asociadas a este aviso son: ráfagas de viento de 60 MPH y granizo del tamaño de una pelota de golf. Hay 733 personas bajo este aviso incluyendo 5 escuelas y 0 hospitales.

ALT Este gráfico muestra la localización en el mapa de un aviso de tormenta severa. El aviso estará en efecto hasta las 6:30 PM MDT. El aviso incluye a Otis CO, Platner CO. El aviso incluye el noreste del condado de Washington en el noreste de Colorado. Las amenazas asociadas a este aviso son: ráfagas de viento de 60 MPH y granizo del tamaño de una pelota de golf. Hay 733 personas bajo este aviso incluyendo 5 escuelas y 0 hospitales.
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Severe Thunderstorm Warning including Otis CO and Platner CO until 6:30 PM MDT. This storm will contain golf ball sized hail!
This graphic displays a severe thunderstorm warning plotted on a map. The warning is in effect until 6:30 PM MDT. The warning includes Otis CO and Platner CO. This warning is for Northeastern Washington County in northeastern Colorado. The threats associated with this warning are wind gusts up to 60 MPH and golf ball sized hail. There are 733 people in the warning along with 5 schools and 0 hospitals.

ALT This graphic displays a severe thunderstorm warning plotted on a map. The warning is in effect until 6:30 PM MDT. The warning includes Otis CO and Platner CO. This warning is for Northeastern Washington County in northeastern Colorado. The threats associated with this warning are wind gusts up to 60 MPH and golf ball sized hail. There are 733 people in the warning along with 5 schools and 0 hospitals.
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A special weather statement has been issued for Haxtun CO, Sedgwick CO and Dailey CO until 6:30 PM MDT #COwx
This graphic displays a special weather statement plotted on a map. The statement is in effect until 6:30 PM MDT. The statement includes Haxtun CO, Sedgwick CO and Dailey CO. The threats associated with this storm are wind gusts up to 50 MPH and penny sized hail. Seek shelter in a sturdy structure until the storm passes.

ALT This graphic displays a special weather statement plotted on a map. The statement is in effect until 6:30 PM MDT. The statement includes Haxtun CO, Sedgwick CO and Dailey CO. The threats associated with this storm are wind gusts up to 50 MPH and penny sized hail. Seek shelter in a sturdy structure until the storm passes.
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A special weather statement has been issued for Crook CO until 5:30 PM MDT #COwx
This graphic displays a special weather statement plotted on a map. The statement is in effect until 5:30 PM MDT. The statement includes Crook CO. A STRONG THUNDERSTORM WILL IMPACT NORTHEASTERN LOGAN COUNTY UNTIL 530 PM MDT. The threats associated with this storm are wind gusts up to 50 MPH and penny sized hail. Seek shelter in a sturdy structure until the storm passes.

ALT This graphic displays a special weather statement plotted on a map. The statement is in effect until 5:30 PM MDT. The statement includes Crook CO. A STRONG THUNDERSTORM WILL IMPACT NORTHEASTERN LOGAN COUNTY UNTIL 530 PM MDT. The threats associated with this storm are wind gusts up to 50 MPH and penny sized hail. Seek shelter in a sturdy structure until the storm passes.
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A special weather statement has been issued for Peetz CO until 5:15 PM MDT #COwx
This graphic displays a special weather statement plotted on a map. The statement is in effect until 5:15 PM MDT. The statement includes Peetz CO. A STRONG THUNDERSTORM WILL IMPACT NORTH CENTRAL LOGAN COUNTY UNTIL 515 PM MDT. The threats associated with this storm are wind gusts up to 50 MPH and penny sized hail. Seek shelter in a sturdy structure until the storm passes.

ALT This graphic displays a special weather statement plotted on a map. The statement is in effect until 5:15 PM MDT. The statement includes Peetz CO. A STRONG THUNDERSTORM WILL IMPACT NORTH CENTRAL LOGAN COUNTY UNTIL 515 PM MDT. The threats associated with this storm are wind gusts up to 50 MPH and penny sized hail. Seek shelter in a sturdy structure until the storm passes.
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A special weather statement has been issued for Adams County, CO until 5:00 PM MDT #COwx
This graphic displays a special weather statement plotted on a map. The statement is in effect until 5:00 PM MDT. The statement includes Adams County, CO. A STRONG THUNDERSTORM WILL IMPACT ARAPAHOE AND SOUTHEASTERN ADAMS COUNTIES UNTIL 5 PM MDT. The threats associated with this storm are wind gusts up to 50 MPH and penny sized hail. Seek shelter in a sturdy structure until the storm passes.

ALT This graphic displays a special weather statement plotted on a map. The statement is in effect until 5:00 PM MDT. The statement includes Adams County, CO. A STRONG THUNDERSTORM WILL IMPACT ARAPAHOE AND SOUTHEASTERN ADAMS COUNTIES UNTIL 5 PM MDT. The threats associated with this storm are wind gusts up to 50 MPH and penny sized hail. Seek shelter in a sturdy structure until the storm passes.

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A special weather statement has been issued for Logan County, CO until 4:30 PM MDT #COwx
This graphic displays a special weather statement plotted on a map. The statement is in effect until 4:30 PM MDT. The statement includes Logan County, CO. A STRONG THUNDERSTORM WILL IMPACT NORTHWESTERN LOGAN COUNTY UNTIL 430 PM MDT. The threats associated with this storm are wind gusts up to 50 MPH and penny sized hail. Seek shelter in a sturdy structure until the storm passes.

ALT This graphic displays a special weather statement plotted on a map. The statement is in effect until 4:30 PM MDT. The statement includes Logan County, CO. A STRONG THUNDERSTORM WILL IMPACT NORTHWESTERN LOGAN COUNTY UNTIL 430 PM MDT. The threats associated with this storm are wind gusts up to 50 MPH and penny sized hail. Seek shelter in a sturdy structure until the storm passes.
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⛈️Nature's fireworks for the 4th🎆 Scattered thunderstorms today, a few may become severe. Greatest risk 2 pm - 9 pm along/east east of I-25 Corridor. Stay weather aware during your outdoor celebrations, and take shelter/move off open water before storms approach. #COwx
Graphic shows severe weather risk of severe storms today Risk Level 2 (Slight Risk) generally along/east of I-25, and Risk Level 1 (Marginal Risk) west of I-25 into the lower foothills.

ALT Graphic shows severe weather risk of severe storms today Risk Level 2 (Slight Risk) generally along/east of I-25, and Risk Level 1 (Marginal Risk) west of I-25 into the lower foothills.

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Hot temps and scattered to strong storms are expected across much of the forecast area today. Gusty winds, large hail, and lightning will be the main hazards. Anyone celebrating the holiday outdoors should be weather aware and have a plan in place for when storms arrive! #COwx
Scattered thunderstorms are forecast to develop in the early afternoon across the higher terrain and foothills. Storms are then expected to move east into the late afternoon and evening, increasing in coverage and intensity. Large hail, strong winds, lightning, and heavy rain could accompany storms that develop.

ALT Scattered thunderstorms are forecast to develop in the early afternoon across the higher terrain and foothills. Storms are then expected to move east into the late afternoon and evening, increasing in coverage and intensity. Large hail, strong winds, lightning, and heavy rain could accompany storms that develop.
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Aviso de Inundación Repentina continúa Washington County, CO hasta las 4:15 AM MDT
Este gráfico muestra la localización en el mapa de un aviso de inundación repentina. El aviso estará en efecto hasta las 4:15 AM MDT. El aviso incluye a Washington County, CO. El aviso incluye el noreste del condado de Lincoln en el este centro de Colorado y el sureste del condado de Washington en el noreste de Colorado. ¡Evite caminar o manejar su vehículo a través de áreas inundadas! ¡Muévase a un terreno más alto inmediatamente! Hay 101 personas bajo este aviso incluyendo 0 escuelas y 0 hospitales.

ALT Este gráfico muestra la localización en el mapa de un aviso de inundación repentina. El aviso estará en efecto hasta las 4:15 AM MDT. El aviso incluye a Washington County, CO. El aviso incluye el noreste del condado de Lincoln en el este centro de Colorado y el sureste del condado de Washington en el noreste de Colorado. ¡Evite caminar o manejar su vehículo a través de áreas inundadas! ¡Muévase a un terreno más alto inmediatamente! Hay 101 personas bajo este aviso incluyendo 0 escuelas y 0 hospitales.
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Flash Flood Warning continues for Lincoln County, CO, Washington County, CO until 4:15 AM MDT
This graphic displays a flash flood warning plotted on a map. The warning is in effect until 4:15 AM MDT. The warning includes Lincoln County, CO, Washington County, CO. This warning is for Northeastern Lincoln County in east central Colorado and Southeastern Washington County in northeastern Colorado. Avoid walking or driving through flood waters! Move immediately to higher ground! There are 101 people in the warning along with 0 schools and 0 hospitals.

ALT This graphic displays a flash flood warning plotted on a map. The warning is in effect until 4:15 AM MDT. The warning includes Lincoln County, CO, Washington County, CO. This warning is for Northeastern Lincoln County in east central Colorado and Southeastern Washington County in northeastern Colorado. Avoid walking or driving through flood waters! Move immediately to higher ground! There are 101 people in the warning along with 0 schools and 0 hospitals.
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Aviso de Tormenta Severa continúa Washington County, CO hasta la 1:00 AM MDT. ¡Esta tormenta contiene granizo del tamañode un limon
Este gráfico muestra la localización en el mapa de un aviso de tormenta severa. El aviso estará en efecto hasta la 1:00 AM MDT. El aviso incluye a Washington County, CO. El aviso incluye el noreste del condado de Lincoln y el sur centro de Washington . Las amenazas asociadas a este aviso son: ráfagas de viento de 60 MPH y granizo del tamaño de un limon. Hay 48 personas bajo este aviso incluyendo 0 escuelas y 0 hospitales.

ALT Este gráfico muestra la localización en el mapa de un aviso de tormenta severa. El aviso estará en efecto hasta la 1:00 AM MDT. El aviso incluye a Washington County, CO. El aviso incluye el noreste del condado de Lincoln y el sur centro de Washington . Las amenazas asociadas a este aviso son: ráfagas de viento de 60 MPH y granizo del tamaño de un limon. Hay 48 personas bajo este aviso incluyendo 0 escuelas y 0 hospitales.
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Severe Thunderstorm Warning continues for Lincoln County, CO, Washington County, CO until 1:00 AM MDT. This storm will contain two inch sized hail!
This graphic displays a severe thunderstorm warning plotted on a map. The warning is in effect until 1:00 AM MDT. The warning includes Lincoln County, CO, Washington County, CO. This warning is for Northeastern Lincoln and South Central Washington Counties. The threats associated with this warning are wind gusts up to 60 MPH and two inch sized hail. There are 48 people in the warning along with 0 schools and 0 hospitals.

ALT This graphic displays a severe thunderstorm warning plotted on a map. The warning is in effect until 1:00 AM MDT. The warning includes Lincoln County, CO, Washington County, CO. This warning is for Northeastern Lincoln and South Central Washington Counties. The threats associated with this warning are wind gusts up to 60 MPH and two inch sized hail. There are 48 people in the warning along with 0 schools and 0 hospitals.
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Vigilancia de Tormenta Severa ha sido emitida para partes de Colorado, Kansas y Nebraska hasta las 7 AM CDT
Este gráfico muestra la localización en el mapa de un Vigilancia de Tormenta Severa número 453. El aviso estará en efecto hasta las 7:00 AM CDT.Las amenazas asociadas a este aviso son. No se esperan tornados. Granizo disperso de hasta limon posible. Ráfagas Dispersas de Hasta 70 MPH Posibles. Hay 69,734 personas bajo este aviso incluyendo 101 escuelas y 18 hospitales.

ALT Este gráfico muestra la localización en el mapa de un Vigilancia de Tormenta Severa número 453. El aviso estará en efecto hasta las 7:00 AM CDT.Las amenazas asociadas a este aviso son. No se esperan tornados. Granizo disperso de hasta limon posible. Ráfagas Dispersas de Hasta 70 MPH Posibles. Hay 69,734 personas bajo este aviso incluyendo 101 escuelas y 18 hospitales.
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A severe thunderstorm watch has been issued for parts of Colorado, Kansas and Nebraska until 7 AM CDT
This graphic displays Severe Thunderstorm watch number 453 plotted on a map. The watch is in effect until 7:00 AM CDT. The watch includes parts of Colorado, Kansas and Nebraska. The threats associated with this watch are no tornadoes expected, scattered hail up to two inch size possible and scattered gusts up to 70 mph possible. There are 69,734 people in the watch along with 101 schools and 18 hospitals.

ALT This graphic displays Severe Thunderstorm watch number 453 plotted on a map. The watch is in effect until 7:00 AM CDT. The watch includes parts of Colorado, Kansas and Nebraska. The threats associated with this watch are no tornadoes expected, scattered hail up to two inch size possible and scattered gusts up to 70 mph possible. There are 69,734 people in the watch along with 101 schools and 18 hospitals.
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Aviso de Tormenta Severa incluye Washington County, CO hasta la 1:00 AM MDT. ¡Esta tormenta contiene granizo del tamañode un limon
Este gráfico muestra la localización en el mapa de un aviso de tormenta severa. El aviso estará en efecto hasta la 1:00 AM MDT. El aviso incluye a Washington County, CO. El aviso incluye el noreste del condado de Lincoln en el este centro de Colorado y el sur centro del condado de Washington en el noreste de Colorado. Las amenazas asociadas a este aviso son: ráfagas de viento de 60 MPH y granizo del tamaño de un limon. Hay 48 personas bajo este aviso incluyendo 0 escuelas y 0 hospitales.

ALT Este gráfico muestra la localización en el mapa de un aviso de tormenta severa. El aviso estará en efecto hasta la 1:00 AM MDT. El aviso incluye a Washington County, CO. El aviso incluye el noreste del condado de Lincoln en el este centro de Colorado y el sur centro del condado de Washington en el noreste de Colorado. Las amenazas asociadas a este aviso son: ráfagas de viento de 60 MPH y granizo del tamaño de un limon. Hay 48 personas bajo este aviso incluyendo 0 escuelas y 0 hospitales.
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Severe Thunderstorm Warning including Lincoln County, CO, Washington County, CO until 1:00 AM MDT. This storm will contain two inch sized hail!
This graphic displays a severe thunderstorm warning plotted on a map. The warning is in effect until 1:00 AM MDT. The warning includes Lincoln County, CO, Washington County, CO. This warning is for Northeastern Lincoln County in east central Colorado and South Central Washington County in northeastern Colorado. The threats associated with this warning are wind gusts up to 60 MPH and two inch sized hail. There are 48 people in the warning along with 0 schools and 0 hospitals.

ALT This graphic displays a severe thunderstorm warning plotted on a map. The warning is in effect until 1:00 AM MDT. The warning includes Lincoln County, CO, Washington County, CO. This warning is for Northeastern Lincoln County in east central Colorado and South Central Washington County in northeastern Colorado. The threats associated with this warning are wind gusts up to 60 MPH and two inch sized hail. There are 48 people in the warning along with 0 schools and 0 hospitals.
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