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

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Boulder Municipal Airport (KBDU)

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

Fair

90°F

32°C

Humidity 13%
Wind Speed N 15 G 26 mph
Barometer 29.85 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 16 Jun 2:55 pm MDT
Extended Forecast for

Boulder CO

  • This Afternoon

    This Afternoon: Sunny, with a high near 91. West northwest wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. West wind 8 to 13 mph, with gusts as high as 23 mph.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 96. Breezy, with a west northwest wind 10 to 16 mph, with gusts as high as 26 mph.

    High: 96 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. West northwest wind 8 to 13 mph becoming light north after midnight. Winds could gust as high as 24 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86. Calm wind becoming east northeast 5 to 8 mph in the morning. Winds could gust as high as 17 mph.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 93.

    High: 93 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 91. West northwest wind 9 to 13 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 64. West wind 8 to 13 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 96. Breezy, with a west northwest wind 10 to 16 mph, with gusts as high as 26 mph.
Wednesday Night
Mostly clear, with a low around 53. West northwest wind 8 to 13 mph becoming light north after midnight. Winds could gust as high as 24 mph.
Thursday
Sunny, with a high near 86. Calm wind becoming east northeast 5 to 8 mph in the morning. Winds could gust as high as 17 mph.
Thursday Night
Mostly clear, with a low around 56.
Juneteenth
Mostly sunny, with a high near 91.
Friday Night
Partly cloudy, with a low around 62.
Saturday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 93.
Saturday Night
Mostly clear, with a low around 59.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Boulder CO
 40.02°N 105.25°W (Elev. 5358 ft)
Last Update:
12:46 pm MDT Jun 16, 2026
Forecast Valid:
3pm MDT Jun 16, 2026-6pm MDT Jun 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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