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

69°F

21°C

Humidity 69%
Wind Speed W 3 mph
Barometer 30.13 in
Dewpoint 58°F (14°C)
Visibility 7.00 mi
Last update 12 Jul 9:35 pm MDT
Extended Forecast for

Longmont CO

  • Tonight

    Tonight: Mostly clear, with a low around 59. Light and variable wind.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 93. Calm wind becoming east 5 to 7 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 62. East wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 16 mph.

    Low: 62 °F

    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 94. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 59. Southwest wind 3 to 8 mph. Winds could gust as high as 17 mph. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely after noon. Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 59. Light and variable wind.
Sunday
Sunny, with a high near 93. Calm wind becoming east 5 to 7 mph in the afternoon. Winds could gust as high as 16 mph.
Sunday Night
Partly cloudy, with a low around 62. East wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 16 mph.
Monday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 94. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 17 mph.
Monday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 59. Southwest wind 3 to 8 mph. Winds could gust as high as 17 mph. Chance of precipitation is 20%.
Tuesday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 92.
Tuesday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58.
Wednesday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 87.
Wednesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 58.
Thursday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 83.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.16°N 105.12°W (Elev. 5000 ft)
Last Update:
2:08 pm MDT Jul 12, 2025
Forecast Valid:
9pm MDT Jul 12, 2025-6pm MDT Jul 19, 2025
 
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