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

10°F

-12°C

Humidity 69%
Wind Speed NE 5 mph
Barometer 30.21 in
Dewpoint 1°F (-17°C)
Visibility 7.00 mi
Wind Chill1°F (-17°C)
Last update 23 Jan 11:55 am MST
Extended Forecast for

Longmont CO

  • This Afternoon

    This Afternoon: A 30 percent chance of snow, mainly after 3pm. Cloudy, with a high near 15. North northeast 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 4. Wind chill values as low as -6. North northeast wind 5 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 4 °F

    Snow Likely

  • Saturday

    Saturday: A 40 percent chance of snow. Mostly cloudy, with a high near 21. Light east wind. New snow accumulation of less than a half inch possible.

    High: 21 °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 23. Calm wind becoming northeast 5 to 8 mph in the morning. Winds could gust as high as 17 mph.

    High: 23 °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 46.

    High: 46 °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, mainly after 3pm. Cloudy, with a high near 15. North northeast wind around 8 mph. Little or no snow accumulation expected.
Tonight
Snow likely, mainly after midnight. Cloudy, with a low around 4. Wind chill values as low as -6. North northeast wind 5 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 21. 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 23. 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 46.
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 19.
Wednesday
Sunny, with a high near 48.
Wednesday Night
Partly cloudy, with a low around 19.
Thursday
Partly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.19°N 105.09°W (Elev. 5010 ft)
Last Update:
3:52 am MST Jan 23, 2026
Forecast Valid:
12pm MST Jan 23, 2026-6pm MST Jan 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation