Flash Flood Risk in the Mid-Atlantic; Storms in the High Plains; Critical Fire Weather Threats in the West

Heavy rain and thunderstorms will pose a flash flood risk for the Mid-Atlantic. Severe thunderstorms are possible through Friday from the northern and central Plains to the Upper Midwest. Elevated and critical fire weather conditions with isolated dry thunderstorm potential across a large part of the West. Above average temperatures are expected in the Southern Plains and Northeast. Read More >

Current conditions at

Vance Brand Airport (KLMO)

Lat: 40.16°NLon: 105.16°WElev: 5039ft.

Fair

87°F

31°C

Humidity 15%
Wind Speed SE 3 mph
Barometer 30.01 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 12 Aug 6:15 pm MDT
Extended Forecast for

Longmont CO

  • Tonight

    Tonight: Widespread haze before 4am. Areas of smoke between 1am and 3am. Mostly clear, with a low around 59. West northwest wind 5 to 9 mph becoming light northwest. Winds could gust as high as 17 mph.

    Haze

    Low: 59 °F

  • Thursday

    Thursday: Sunny, with a high near 96. Calm wind becoming east southeast 5 to 7 mph in the afternoon.

    Sunny

    High: 96 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 60. Light and variable wind. Winds could gust as high as 16 mph.

    Mostly Clear

    Low: 60 °F

  • Friday

    Friday: Sunny and hot, with a high near 97. Calm wind becoming east northeast around 6 mph in the afternoon. Winds could gust as high as 18 mph.

    Hot

    High: 97 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 60. Light and variable wind.

    Mostly Clear

    Low: 60 °F

  • Saturday

    Saturday: A 10 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 95.

    Sunny then
    Slight Chance
    T-storms

    High: 95 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 60.

    Partly Cloudy

    Low: 60 °F

  • Sunday

    Sunday: A chance of showers and thunderstorms after noon.  Sunny, with a high near 90.

    Sunny then
    Chance
    Showers

    High: 90 °F

  • Sunday
    Night

    Sunday Night: A slight chance of showers before midnight.  Partly cloudy, with a low around 60.

    Slight Chance
    Showers then
    Mostly Clear

    Low: 60 °F

Detailed Forecast

Tonight
Widespread haze before 4am. Areas of smoke between 1am and 3am. Mostly clear, with a low around 59. West northwest wind 5 to 9 mph becoming light northwest. Winds could gust as high as 17 mph.
Thursday
Sunny, with a high near 96. Calm wind becoming east southeast 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 60. Light and variable wind. Winds could gust as high as 16 mph.
Friday
Sunny and hot, with a high near 97. Calm wind becoming east northeast around 6 mph in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Mostly clear, with a low around 60. Light and variable wind.
Saturday
A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 95.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
A chance of showers and thunderstorms after noon. Sunny, with a high near 90.
Sunday Night
A slight chance of showers before midnight. Partly cloudy, with a low around 60.
Monday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 90.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 91.
Click Map For Forecast
Point Forecast:
Longmont CO
 40.19°N 105.09°W (Elev. 5010 ft)
2:54 pm MDT Aug 12, 2020
6pm MDT Aug 12, 2020-6pm MDT Aug 19, 2020
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database