Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Hazardous Weather Conditions

Current conditions at

Vance Brand Airport (KLMO)

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

Overcast

26°F

-3°C

Humidity 68%
Wind Speed Calm
Barometer 29.89 in
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 20 Feb 6:55 pm MST
Extended Forecast for

Longmont CO

  • Tonight

    Tonight: A 40 percent chance of snow before 11pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 12. Light and variable wind.  Total nighttime snow accumulation of less than a half inch possible.

    Low: 12 °F

    Chance Snow
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 46. Light and variable wind becoming southeast 5 to 7 mph in the morning.

    High: 46 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 14. Light west wind.

    Low: 14 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 49. Calm wind becoming east around 5 mph.

    High: 49 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of snow before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 12. Light and variable wind. Total nighttime snow accumulation of less than a half inch possible.
Saturday
Sunny, with a high near 46. Light and variable wind becoming southeast 5 to 7 mph in the morning.
Saturday Night
Mostly clear, with a low around 14. Light west wind.
Sunday
Sunny, with a high near 49. Calm wind becoming east around 5 mph.
Sunday Night
Partly cloudy, with a low around 23. Calm wind.
Monday
Partly sunny, with a high near 63.
Monday Night
Mostly cloudy, with a low around 32.
Tuesday
Partly sunny, with a high near 70.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
Partly sunny, with a high near 64. Breezy.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
Sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Sunny, with a high near 68. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.16°N 105.12°W (Elev. 5000 ft)
11:46 am MST Feb 20, 2026
7pm MST Feb 20, 2026-6pm MST Feb 27, 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