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

90°F

32°C

Humidity 17%
Wind Speed N 7 mph
Barometer 30.04 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 15 Jun 3:55 pm MDT
Extended Forecast for

Longmont CO

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. South southeast wind around 9 mph, with gusts as high as 15 mph.

    High: 94 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 56. South southeast wind 5 to 8 mph becoming light and variable after midnight.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 94. Calm wind becoming north 5 to 8 mph in the morning.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58. North northwest wind 3 to 8 mph.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 81. Light and variable wind becoming north northeast 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 81 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. South southeast wind around 9 mph, with gusts as high as 15 mph.
Tonight
Mostly clear, with a low around 56. South southeast wind 5 to 8 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 94. Calm wind becoming north 5 to 8 mph in the morning.
Monday Night
Partly cloudy, with a low around 58. North northwest wind 3 to 8 mph.
Tuesday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 81. Light and variable wind becoming north northeast 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 56.
Juneteenth
Sunny, with a high near 95.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny and hot, with a high near 100.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny and hot, with a high near 98.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Sunny, with a high near 92.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.16°N 105.09°W (Elev. 4980 ft)
Last Update:
2:19 pm MDT Jun 15, 2025
Forecast Valid:
4pm MDT Jun 15, 2025-6pm MDT Jun 22, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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