Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Current conditions at

Boulder Municipal Airport (KBDU)

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

Fair

77°F

25°C

Humidity 32%
Wind Speed S 5 mph
Barometer 30.11 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 26 Jul 4:55 am MDT
Extended Forecast for

3 Miles WSW Boulder CO

Heat Advisory July 26, 10:00am until July 26, 09:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Mostly sunny and hot, with a high near 97. West wind around 6 mph becoming calm.

    High: 97 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: 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 75. West wind 5 to 8 mph.  Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 4pm.  Partly sunny, with a high near 94. Calm wind becoming northeast around 6 mph in the afternoon.  Chance of precipitation is 60%.

    High: 94 °F

    Partly Sunny
    then T-storms
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 50%.

    Low: 68 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • 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 89. Calm wind becoming east around 6 mph.  Chance of precipitation is 70%.

    High: 89 °F

    Mostly Sunny
    then T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before midnight.  Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely then
    Partly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely after noon.  Partly sunny, with a high near 89. Chance of precipitation is 70%.

    High: 89 °F

    Mostly Sunny
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny and hot, with a high near 97. West wind around 6 mph becoming calm.
Tonight
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 75. West wind 5 to 8 mph. Chance of precipitation is 20%.
Monday
Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 94. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Tuesday
Showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Partly sunny, with a high near 89. Calm wind becoming east around 6 mph. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 89. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 66.
Thursday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 66.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 66.
Saturday
Sunny, with a high near 92.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Boulder CO
 40.02°N 105.31°W (Elev. 5951 ft)
3:11 am MDT Jul 26, 2026
5am MDT Jul 26, 2026-6pm MDT Aug 1, 2026
 
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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