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

62°F

17°C

Humidity 17%
Wind Speed SW 12 G 21 mph
Barometer 29.78 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 9 Mar 8:35 pm MDT
Extended Forecast for

Longmont CO

  • Tonight

    Tonight: Partly cloudy, with a low around 42. West southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73. Breezy, with a west wind 6 to 16 mph, with gusts as high as 28 mph.

    High: 73 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 32. Breezy, with a west wind 7 to 16 mph becoming north northeast after midnight. Winds could gust as high as 26 mph.

    Low: 32 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59. North wind 7 to 13 mph becoming south in the afternoon. Winds could gust as high as 21 mph.

    High: 59 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 35. West southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 69. Windy.

    High: 69 °F

    Mostly Sunny
    and Windy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 44. Breezy.

    Low: 44 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Friday

    Friday: Partly sunny, with a high near 73. Breezy.

    High: 73 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44. Breezy.

    Low: 44 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 42. West southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 73. Breezy, with a west wind 6 to 16 mph, with gusts as high as 28 mph.
Tuesday Night
Partly cloudy, with a low around 32. Breezy, with a west wind 7 to 16 mph becoming north northeast after midnight. Winds could gust as high as 26 mph.
Wednesday
Mostly sunny, with a high near 59. North wind 7 to 13 mph becoming south in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 35. West southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 69. Windy.
Thursday Night
Mostly cloudy, with a low around 44. Breezy.
Friday
Partly sunny, with a high near 73. Breezy.
Friday Night
Mostly cloudy, with a low around 44. Breezy.
Saturday
Mostly sunny, with a high near 75. Breezy.
Saturday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 36. Breezy.
Sunday
A slight chance of rain and snow. Mostly cloudy, with a high near 58. Breezy.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 33.
Monday
A slight chance of rain and snow. Mostly cloudy, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.16°N 105.12°W (Elev. 5000 ft)
Last Update:
12:47 pm MDT Mar 9, 2026
Forecast Valid:
8pm MDT Mar 9, 2026-6pm MDT Mar 16, 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