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.

Partly Cloudy

18°C

64°F

Humidity 44%
Wind Speed SW 7 km/h
Barometer 29.94 in
Dewpoint 5°C (41°F)
Visibility 11 km
Last update 12 May 5:35 pm MDT
Extended Forecast for

Longmont CO

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 19. North wind around 23 km/h, with gusts as high as 35 km/h.

    High: 19 °C

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 7. North wind 18 to 23 km/h becoming west 10 to 15 km/h after midnight. Winds could gust as high as 35 km/h.

    Low: 7 °C

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 24. West wind 5 to 10 km/h becoming west southwest 11 to 16 km/h in the afternoon. Winds could gust as high as 26 km/h.

    High: 24 °C

    Sunny then
    Chance
    Showers

  • Monday Night

    Monday Night: A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 8. West wind 10 to 16 km/h, with gusts as high as 26 km/h.

    Low: 8 °C

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 25. West wind 10 to 18 km/h, with gusts as high as 29 km/h.

    High: 25 °C

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 8.

    Low: 8 °C

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers before 9am, then a slight chance of showers and thunderstorms between 9am and noon, then showers and possibly a thunderstorm after noon. High near 18. Chance of precipitation is 80%.

    High: 18 °C

    Slight Chance
    T-storms then
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 8.

    Low: 8 °C

    Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 21.

    High: 21 °C

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 19. North wind around 23 km/h, with gusts as high as 35 km/h.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 7. North wind 18 to 23 km/h becoming west 10 to 15 km/h after midnight. Winds could gust as high as 35 km/h.
Monday
A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 24. West wind 5 to 10 km/h becoming west southwest 11 to 16 km/h in the afternoon. Winds could gust as high as 26 km/h.
Monday Night
A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 8. West wind 10 to 16 km/h, with gusts as high as 26 km/h.
Tuesday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 25. West wind 10 to 18 km/h, with gusts as high as 29 km/h.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 8.
Wednesday
A slight chance of showers before 9am, then a slight chance of showers and thunderstorms between 9am and noon, then showers and possibly a thunderstorm after noon. High near 18. Chance of precipitation is 80%.
Wednesday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 8.
Thursday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 21.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 8.
Friday
A slight chance of showers and thunderstorms. Sunny, with a high near 27.
Friday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 10.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 27.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 9.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 25.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.19°N 105.09°W (Elev. 5010 m)
Last Update:
3:36 pm MDT May 12, 2024
Forecast Valid:
5pm MDT May 12, 2024-6pm MDT May 19, 2024
 
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