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

49°F

9°C

Humidity 19%
Wind Speed SW 13 G 23 mph
Barometer 29.82 in
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 6 Jan 11:35 pm MST
Extended Forecast for

Longmont CO

  • Tonight

    Tonight: Mostly clear, with a low around 29. West southwest wind around 8 mph.

    Low: 29 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 57. Southwest wind 7 to 9 mph, with gusts as high as 16 mph.

    High: 57 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after 5am. Mostly cloudy, with a low around 28. West northwest wind around 6 mph becoming calm in the evening.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: A chance of rain and snow before 11am, then snow likely. Mostly cloudy, with a high near 42. Calm wind becoming east northeast around 5 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Thursday Night

    Thursday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 18. Northwest wind around 6 mph. Chance of precipitation is 60%.

    Low: 18 °F

    Snow Likely

  • Friday

    Friday: A 20 percent chance of snow before 11am. Partly sunny, with a high near 32.

    High: 32 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 29. West southwest wind around 8 mph.
Wednesday
Mostly sunny, with a high near 57. Southwest wind 7 to 9 mph, with gusts as high as 16 mph.
Wednesday Night
A 30 percent chance of rain after 5am. Mostly cloudy, with a low around 28. West northwest wind around 6 mph becoming calm in the evening.
Thursday
A chance of rain and snow before 11am, then snow likely. Mostly cloudy, with a high near 42. Calm wind becoming east northeast around 5 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 18. Northwest wind around 6 mph. Chance of precipitation is 60%.
Friday
A 20 percent chance of snow before 11am. Partly sunny, with a high near 32.
Friday Night
Mostly clear, with a low around 12.
Saturday
Mostly sunny, with a high near 41.
Saturday Night
Mostly clear, with a low around 20.
Sunday
Sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 23.
Monday
Mostly sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 22.
Tuesday
Mostly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.16°N 105.15°W (Elev. 5007 ft)
Last Update:
2:51 pm MST Jan 6, 2026
Forecast Valid:
11pm MST Jan 6, 2026-6pm MST Jan 13, 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