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

68°F

20°C

Humidity 28%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 19 Jun 12:55 am MDT
Extended Forecast for

3 Miles WNW Louisville CO

  • Overnight

    Overnight: Partly cloudy, with a low around 57. North northwest wind 3 to 6 mph.

    Low: 57 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 84. Light and variable wind becoming east northeast 5 to 9 mph in the morning. Winds could gust as high as 15 mph.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. East wind 5 to 8 mph becoming calm after midnight.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 93. Light and variable wind becoming west northwest 9 to 14 mph in the morning. Winds could gust as high as 24 mph.

    High: 93 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. Breezy, with a northwest wind 11 to 16 mph becoming light west northwest. Winds could gust as high as 28 mph.

    Low: 58 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88.

    High: 88 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

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

    High: 84 °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 56.

    Low: 56 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 57. North northwest wind 3 to 6 mph.
Juneteenth
Mostly sunny, with a high near 84. Light and variable wind becoming east northeast 5 to 9 mph in the morning. Winds could gust as high as 15 mph.
Friday Night
Mostly clear, with a low around 58. East wind 5 to 8 mph becoming calm after midnight.
Saturday
Mostly sunny, with a high near 93. Light and variable wind becoming west northwest 9 to 14 mph in the morning. Winds could gust as high as 24 mph.
Saturday Night
Mostly clear, with a low around 58. Breezy, with a northwest wind 11 to 16 mph becoming light west northwest. Winds could gust as high as 28 mph.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88.
Sunday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 55.
Monday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84.
Monday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 56.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Louisville CO
 39.98°N 105.19°W (Elev. 5472 ft)
Last Update:
12:46 am MDT Jun 19, 2026
Forecast Valid:
1am MDT Jun 19, 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