National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Vance Brand Airport (KLMO)

Lat: 40.16°NLon: 105.16°WElev: 5039ft.

Light Drizzle

72°F

22°C

Humidity 72%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 13 Aug 8:15 pm MDT
Extended Forecast for

4 Miles SSE Longmont CO

  • Tonight

    Tonight: Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 3am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 58. Light and variable wind. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely then
    Slight Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 3pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 82. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Chance of precipitation is 60%.

    High: 82 °F

    Patchy Fog
    then T-storms
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and midnight. Mostly cloudy, with a low around 57. West wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely then
    Mostly Cloudy

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Partly sunny, with a high near 80. Calm wind becoming east northeast around 5 mph in the afternoon. Chance of precipitation is 70%.

    High: 80 °F

    Mostly Sunny
    then T-storms
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 55. North northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms likely after noon. Partly sunny, with a high near 79. Chance of precipitation is 60%.

    High: 79 °F

    Mostly Sunny
    then T-storms
    Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 53.

    Low: 53 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 3am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 58. Light and variable wind. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely, mainly after 3pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 82. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and midnight. Mostly cloudy, with a low around 57. West wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Partly sunny, with a high near 80. Calm wind becoming east northeast around 5 mph in the afternoon. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 55. North northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Sunday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 79. Chance of precipitation is 60%.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 85.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Longmont CO
 40.12°N 105.08°W (Elev. 5098 ft)
Last Update:
12:47 pm MDT Aug 13, 2026
Forecast Valid:
8pm MDT Aug 13, 2026-6pm MDT Aug 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation