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

Hazardous Weather Conditions

Current conditions at

Vance Brand Airport (KLMO)

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

Fair

44°F

7°C

Humidity 50%
Wind Speed Calm
Barometer 30.18 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 31 Jan 11:35 am MST
Extended Forecast for

Longmont CO

  • This Afternoon

    This Afternoon: Sunny, with a high near 56. Breezy, with a northwest wind 9 to 15 mph, with gusts as high as 20 mph.

    High: 56 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 28. West southwest wind 5 to 7 mph.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 60. Light and variable wind.

    High: 60 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33. West wind 3 to 6 mph.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 58. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 58 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain and snow after 11am. Partly sunny, with a high near 51. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow before 11pm, then a slight chance of snow. Partly cloudy, with a low around 25.

    Low: 25 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 56. Breezy, with a northwest wind 9 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 28. West southwest wind 5 to 7 mph.
Sunday
Mostly sunny, with a high near 60. Light and variable wind.
Sunday Night
Mostly cloudy, with a low around 33. West wind 3 to 6 mph.
Monday
Partly sunny, with a high near 58. Calm wind becoming northwest around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
A slight chance of rain and snow after 11am. Partly sunny, with a high near 51. Chance of precipitation is 20%.
Tuesday Night
A slight chance of rain and snow before 11pm, then a slight chance of snow. Partly cloudy, with a low around 25.
Wednesday
Sunny, with a high near 53.
Wednesday Night
Mostly clear, with a low around 28.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 29.
Friday
Sunny, with a high near 59.
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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:
10:41 am MST Jan 31, 2026
Forecast Valid:
12pm MST Jan 31, 2026-6pm MST Feb 6, 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