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

Inclement Weather in the Pacific Northwest; Severe Thunderstorms in the Southeast; Impending Winter Storm

An approaching storm will bring rain and high elevation snow to Pacific Northwest through the weekend. Isolated severe thunderstorms are possible across parts of the Southeast today into this evening as a low strengthens over the Southeast. This system will form into a winter storm on Sunday that will bring heavy snow, high winds, and coastal flooding to the Mid-Atlantic and Northeast into Monday. Read More >

Hazardous Weather Conditions

Current conditions at

Vance Brand Airport (KLMO)

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

Fair

14°F

-10°C

Humidity 75%
Wind Speed W 3 mph
Barometer 30.52 in
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Last update 22 Feb 6:35 am MST
Extended Forecast for

Longmont CO

  • Today

    Today: Sunny, with a high near 48. Calm wind becoming east southeast around 5 mph.

    High: 48 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 23. Light and variable wind.

    Low: 23 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 65. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33. West southwest wind around 6 mph.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 67. Southwest wind 5 to 11 mph, with gusts as high as 28 mph.

    High: 67 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 66. Breezy.

    High: 66 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of rain before 11pm, then a slight chance of rain and snow. Partly cloudy, with a low around 32. Breezy.

    Low: 32 °F

    Chance
    Rain/Snow and
    Breezy

  • Thursday

    Thursday: Sunny, with a high near 62. Breezy.

    High: 62 °F

    Sunny and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 48. Calm wind becoming east southeast around 5 mph.
Tonight
Mostly clear, with a low around 23. Light and variable wind.
Monday
Mostly sunny, with a high near 65. Calm wind becoming west southwest around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 33. West southwest wind around 6 mph.
Tuesday
Partly sunny, with a high near 67. Southwest wind 5 to 11 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Partly sunny, with a high near 66. Breezy.
Wednesday Night
A chance of rain before 11pm, then a slight chance of rain and snow. Partly cloudy, with a low around 32. Breezy.
Thursday
Sunny, with a high near 62. Breezy.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 65. Breezy.
Friday Night
Partly cloudy, with a low around 35.
Saturday
Mostly sunny, with a high near 60. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.16°N 105.12°W (Elev. 5000 ft)
Last Update:
12:01 am MST Feb 22, 2026
Forecast Valid:
6am MST Feb 22, 2026-6pm MST Feb 28, 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