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

Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Boulder Municipal Airport (KBDU)

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

Fair

73°F

23°C

Humidity 23%
Wind Speed W 8 mph
Barometer 29.98 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 18 Jun 10:15 pm MDT
Extended Forecast for

3 Miles SW Boulder CO

  • Tonight

    Tonight: Partly cloudy, with a low around 59. West wind 3 to 6 mph.

    Low: 59 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly cloudy, then gradually becoming sunny, with a high near 83. Calm wind becoming east northeast around 6 mph in the morning.

    High: 83 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. East wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 89. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 89 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. West wind 3 to 7 mph. Winds could gust as high as 20 mph.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84.

    High: 84 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59.

    Low: 59 °F

    Slight Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 59. West wind 3 to 6 mph.
Juneteenth
Mostly cloudy, then gradually becoming sunny, with a high near 83. Calm wind becoming east northeast around 6 mph in the morning.
Friday Night
Mostly clear, with a low around 61. East wind around 5 mph becoming calm in the evening.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 89. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
Mostly clear, with a low around 61. West wind 3 to 7 mph. Winds could gust as high as 20 mph.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84.
Sunday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57.
Monday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80.
Monday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59.
Tuesday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Boulder CO
 40°N 105.3°W (Elev. 6509 ft)
Last Update:
12:46 pm MDT Jun 18, 2026
Forecast Valid:
10pm MDT Jun 18, 2026-6pm MDT Jun 25, 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