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.

Overcast

11°F

-12°C

Humidity 67%
Wind Speed N 9 mph
Barometer 30.12 in
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill-2°F (-19°C)
Last update 23 Jan 3:55 pm MST
Extended Forecast for

Longmont CO

  • This Afternoon

    This Afternoon: A 30 percent chance of snow. Cloudy, with a high near 15. North wind around 8 mph. Little or no snow accumulation expected.

    High: 15 °F

    Chance Snow

  • Tonight

    Tonight: Snow likely, mainly after midnight. Cloudy, with a low around 3. Wind chill values as low as -8. North northeast wind 5 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 3 °F

    Snow Likely

  • Saturday

    Saturday: A 40 percent chance of snow. Mostly cloudy, with a high near 22. Light east wind. New snow accumulation of less than a half inch possible.

    High: 22 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 3. Calm wind.

    Low: 3 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow after 11am. Partly sunny, with a high near 24. Calm wind becoming northeast 5 to 8 mph in the morning. Winds could gust as high as 17 mph.

    High: 24 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 4.

    Low: 4 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of snow. Cloudy, with a high near 15. North wind around 8 mph. Little or no snow accumulation expected.
Tonight
Snow likely, mainly after midnight. Cloudy, with a low around 3. Wind chill values as low as -8. North northeast wind 5 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 22. Light east wind. New snow accumulation of less than a half inch possible.
Saturday Night
Partly cloudy, with a low around 3. Calm wind.
Sunday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 24. Calm wind becoming northeast 5 to 8 mph in the morning. Winds could gust as high as 17 mph.
Sunday Night
Mostly clear, with a low around 4.
Monday
Sunny, with a high near 47.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Mostly sunny, with a high near 45.
Tuesday Night
Mostly clear, with a low around 18.
Wednesday
Sunny, with a high near 49.
Wednesday Night
Partly cloudy, with a low around 19.
Thursday
Partly sunny, with a high near 44.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Mostly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.16°N 105.09°W (Elev. 4980 ft)
Last Update:
2:11 pm MST Jan 23, 2026
Forecast Valid:
4pm MST Jan 23, 2026-6pm MST Jan 30, 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