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

23°C

74°F

Humidity 47%
Wind Speed E 6 km/h
Barometer 30.21 in
Dewpoint 12°C (53°F)
Visibility 11 km
Last update 13 Jul 8:15 am MDT
Extended Forecast for

Longmont CO

  • Today

    Today: Sunny, with a high near 33. Light and variable wind becoming east 6 to 11 km/h in the morning.

    High: 33 °C

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 17. East wind 5 to 11 km/h becoming west in the evening.

    Low: 17 °C

    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 36. Light and variable wind becoming west northwest 6 to 11 km/h in the morning.

    High: 36 °C

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 16. West wind 8 to 13 km/h, with gusts as high as 29 km/h.

    Low: 16 °C

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 34. West wind 8 to 14 km/h becoming northeast in the morning. Winds could gust as high as 32 km/h.

    High: 34 °C

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 15. Chance of precipitation is 40%.

    Low: 15 °C

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely after noon. Mostly cloudy, with a high near 28. Chance of precipitation is 70%.

    High: 28 °C

    Partly Sunny
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 14.

    Low: 14 °C

    Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 30.

    High: 30 °C

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 33. Light and variable wind becoming east 6 to 11 km/h in the morning.
Tonight
Partly cloudy, with a low around 17. East wind 5 to 11 km/h becoming west in the evening.
Monday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 36. Light and variable wind becoming west northwest 6 to 11 km/h in the morning.
Monday Night
Partly cloudy, with a low around 16. West wind 8 to 13 km/h, with gusts as high as 29 km/h.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 34. West wind 8 to 14 km/h becoming northeast in the morning. Winds could gust as high as 32 km/h.
Tuesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 15. Chance of precipitation is 40%.
Wednesday
Showers and thunderstorms likely after noon. Mostly cloudy, with a high near 28. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 14.
Thursday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 30.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 15.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 33.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 15.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.19°N 105.09°W (Elev. 5010 m)
Last Update:
4:01 am MDT Jul 13, 2025
Forecast Valid:
8am MDT Jul 13, 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