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

21°F

-6°C

Humidity 34%
Wind Speed NE 5 mph
Barometer 30.12 in
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 17 Jan 1:15 am MST
Extended Forecast for

Longmont CO

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 21. North northwest wind around 9 mph, with gusts as high as 15 mph.

    Low: 21 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 42. Breezy, with a north wind 8 to 15 mph becoming west in the afternoon. Winds could gust as high as 24 mph.

    High: 42 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25. West southwest wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 53. West wind around 7 mph becoming east in the afternoon. Winds could gust as high as 15 mph.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of snow after 11pm. Partly cloudy, with a low around 17. East wind around 5 mph becoming calm in the evening.

    Low: 17 °F

    Slight Chance
    Snow

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 42.

    High: 42 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Tuesday Night

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

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 21. North northwest wind around 9 mph, with gusts as high as 15 mph.
Saturday
Sunny, with a high near 42. Breezy, with a north wind 8 to 15 mph becoming west in the afternoon. Winds could gust as high as 24 mph.
Saturday Night
Mostly clear, with a low around 25. West southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 53. West wind around 7 mph becoming east in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
A 20 percent chance of snow after 11pm. Partly cloudy, with a low around 17. East wind around 5 mph becoming calm in the evening.
M.L.King Day
Sunny, with a high near 42.
Monday Night
Mostly clear, with a low around 21.
Tuesday
Sunny, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 27.
Wednesday
Mostly sunny, with a high near 53.
Wednesday Night
Partly cloudy, with a low around 19.
Thursday
Mostly sunny, with a high near 49.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Mostly sunny, with a high near 44.
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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:
10:01 pm MST Jan 16, 2026
Forecast Valid:
1am MST Jan 17, 2026-6pm MST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation