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

34°F

1°C

Humidity 74%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 6 Mar 7:15 pm MST
Extended Forecast for

Longmont CO

  • Tonight

    Tonight: A 50 percent chance of snow, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 18. North wind 5 to 10 mph becoming light and variable. Winds could gust as high as 16 mph. Total nighttime snow accumulation of less than a half inch possible.

    Low: 18 °F

    Chance Snow
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 52. Light and variable wind becoming south 5 to 8 mph in the morning.

    High: 52 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 27. West wind around 7 mph, with gusts as high as 15 mph.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 65. West wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. West wind around 11 mph, with gusts as high as 21 mph.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain before 11pm. Partly cloudy, with a low around 31.

    Low: 31 °F

    Slight Chance
    Rain then
    Mostly Clear

Detailed Forecast

Tonight
A 50 percent chance of snow, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 18. North wind 5 to 10 mph becoming light and variable. Winds could gust as high as 16 mph. Total nighttime snow accumulation of less than a half inch possible.
Saturday
Sunny, with a high near 52. Light and variable wind becoming south 5 to 8 mph in the morning.
Saturday Night
Mostly clear, with a low around 27. West wind around 7 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 65. West wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 36. West wind around 11 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
A slight chance of rain before 11pm. Partly cloudy, with a low around 31.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
Partly sunny, with a high near 70. Breezy.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Partly sunny, with a high near 72. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.16°N 105.15°W (Elev. 5007 ft)
Last Update:
11:47 am MST Mar 6, 2026
Forecast Valid:
7pm MST Mar 6, 2026-6pm MDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation