National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tropical Storm Bertha in the Gulf; Severe Weather in the East on Tuesday

Tropical Storm Bertha could bring tropical storm conditions to portions of the Florida Panhandle and Alabama coast through Wednesday, where a Tropical Storm Watch and Storm Surge Watch is in effect. Numerous severe thunderstorms with heavy rainfall are expected from the Ohio Valley into the Mid-Atlantic and Northeast Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Boulder Municipal Airport (KBDU)

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

Fair

70°F

21°C

Humidity 60%
Wind Speed Calm
Barometer 30.26 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 21 Jul 5:15 am MDT
Extended Forecast for

Boulder COSimilar City Names

  • Overnight

    Overnight: A 20 percent chance of showers. Mostly clear, with a low around 68. Light north northwest wind.

    Low: 68 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 93. Light and variable wind becoming east southeast 5 to 9 mph in the morning. Winds could gust as high as 16 mph.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 3am. Partly cloudy, with a low around 65. Southeast wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 92. Light and variable wind becoming north northwest around 6 mph in the afternoon.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, with a low around 64. North northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%.

    Low: 64 °F

    Showers
    Likely then
    Mostly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms likely after noon. Mostly cloudy, with a high near 88. Chance of precipitation is 70%.

    High: 88 °F

    Partly Sunny
    then T-storms
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 63. Chance of precipitation is 50%.

    Low: 63 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 92.

    High: 92 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly clear, with a low around 68. Light north northwest wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 93. Light and variable wind becoming east southeast 5 to 9 mph in the morning. Winds could gust as high as 16 mph.
Tuesday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 3am. Partly cloudy, with a low around 65. Southeast wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 40%.
Wednesday
A 50 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 92. Light and variable wind becoming north northwest around 6 mph in the afternoon.
Wednesday Night
Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, with a low around 64. North northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%.
Thursday
Showers and thunderstorms likely after noon. Mostly cloudy, with a high near 88. Chance of precipitation is 70%.
Thursday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 63. Chance of precipitation is 50%.
Friday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 92.
Friday Night
Partly cloudy, with a low around 66.
Saturday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 96.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Boulder COSimilar City Names
 40.02°N 105.25°W (Elev. 5358 ft)
Last Update:
1:31 am MDT Jul 21, 2026
Forecast Valid:
5am MDT Jul 21, 2026-6pm MDT Jul 27, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation