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 40%
Wind Speed NE 3 mph
Barometer 29.96 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 17 Mar 9:35 am MDT
Extended Forecast for

Longmont CO

  • Today

    Today: Mostly sunny, with a high near 73. Windy, with a west wind 14 to 19 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 73 °F

    Mostly Sunny
    and Windy

  • Tonight

    Tonight: Partly cloudy, with a low around 42. Breezy, with a west northwest wind 15 to 20 mph decreasing to 6 to 11 mph in the evening. Winds could gust as high as 31 mph.

    Low: 42 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81. West wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44. West wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Light and variable wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 87. Breezy.

    High: 87 °F

    Mostly Sunny
    then Sunny
    and Breezy

Detailed Forecast

Today
Mostly sunny, with a high near 73. Windy, with a west wind 14 to 19 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
Tonight
Partly cloudy, with a low around 42. Breezy, with a west northwest wind 15 to 20 mph decreasing to 6 to 11 mph in the evening. Winds could gust as high as 31 mph.
Wednesday
Sunny, with a high near 81. West wind 6 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 44. West wind 6 to 13 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 82. Light and variable wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 17 mph.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Sunny, with a high near 87. Breezy.
Saturday Night
Partly cloudy, with a low around 44. Breezy.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
Mostly cloudy, with a low around 39.
Monday
Partly sunny, with a high near 71.
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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:
2:57 am MDT Mar 17, 2026
Forecast Valid:
9am MDT Mar 17, 2026-6pm MDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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