Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Plains to the Upper Midwest

A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S and linger through much of the work week. Numerous daily record highs and warm lows are likely. Severe thunderstorms are possible from the southern Plains through the Upper Mississippi Valley. Fire weather concerns are expected to persist across the Four Corners region. Read More >

Hazardous Weather Conditions

Current conditions at

Boulder Municipal Airport (KBDU)

Lat: 40.04°NLon: 105.23°WElev: 5288ft.

Overcast

61°F

16°C

Humidity 68%
Wind Speed Calm
Barometer 30.18 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 23 Jun 4:35 am MDT
Extended Forecast for

Boulder COSimilar City Names

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 4pm.  Increasing clouds, with a high near 76. Light and variable wind becoming east southeast 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 76 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 55. East wind 5 to 7 mph becoming calm  in the evening. Winds could gust as high as 17 mph.

    Low: 55 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm.  Partly sunny, with a high near 81. Calm wind becoming southwest around 6 mph in the afternoon.  Chance of precipitation is 60%.

    High: 81 °F

    Mostly Sunny
    then T-storms
    Likely

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight.  Mostly cloudy, with a low around 58. South southeast wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 82. Calm wind becoming west southwest around 6 mph in the afternoon.  Chance of precipitation is 60%.

    High: 82 °F

    Partly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight.  Partly cloudy, with a low around 55. Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Increasing clouds, with a high near 76. Light and variable wind becoming east southeast 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Tonight
A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 55. East wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Tuesday
Showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Partly sunny, with a high near 81. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 60%.
Tuesday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 58. South southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Wednesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 82. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 60%.
Wednesday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 55. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 60.
Saturday
Mostly sunny, with a high near 92.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Boulder COSimilar City Names
 40.02°N 105.25°W (Elev. 5358 ft)
4:00 am MDT Jun 23, 2025
4am MDT Jun 23, 2025-6pm MDT Jun 29, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database