Remnants of Arthur and Heavy Rainfall Across the South; Severe Weather for the East

Potential life threatening flash flooding across the northern Gulf Coast states as the remnants of Arthur track across the area. Remember, turn around - don't drown. In addition, severe thunderstorms with tornadoes are possible with the circulation of this storm. The threat for more severe thunderstorms will occur across portions of the Northeast, mid-Atlantic and central Appalachian's. Read More >

Hazardous Weather Conditions

Current conditions at

Boulder Municipal Airport (KBDU)

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

Fair

81°F

27°C

Humidity 20%
Wind Speed N 6 mph
Barometer 29.99 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 18 Jun 2:35 pm MDT
Extended Forecast for

4 Miles SW Boulder CO

  • This Afternoon

    This Afternoon: Sunny, with a high near 78. Northeast wind around 7 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 58. Light and variable wind becoming west 5 to 8 mph in the evening.

    Low: 58 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly cloudy, then gradually becoming sunny, with a high near 78. Light and variable wind becoming east northeast 5 to 8 mph in the morning.

    High: 78 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. East wind around 6 mph becoming calm  in the evening.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Mostly sunny, with a high near 84. Calm wind becoming west northwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 84 °F

    Sunny then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 80.

    High: 80 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 76.

    High: 76 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 78. Northeast wind around 7 mph.
Tonight
Partly cloudy, with a low around 58. Light and variable wind becoming west 5 to 8 mph in the evening.
Juneteenth
Mostly cloudy, then gradually becoming sunny, with a high near 78. Light and variable wind becoming east northeast 5 to 8 mph in the morning.
Friday Night
Mostly clear, with a low around 59. East wind around 6 mph becoming calm in the evening.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 84. Calm wind becoming west northwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 59.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80.
Sunday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 56.
Monday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76.
Monday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Boulder CO
 39.98°N 105.3°W (Elev. 7772 ft)
12:46 pm MDT Jun 18, 2026
2pm MDT Jun 18, 2026-6pm MDT Jun 24, 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