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

63°F

17°C

Humidity 58%
Wind Speed E 6 mph
Barometer 30.18 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 4 Aug 9:15 pm MDT
Extended Forecast for

Longmont CO

  • Tonight

    Tonight: Patchy smoke. Mostly clear, with a low around 56. East wind 5 to 7 mph becoming north after midnight.

    Low: 56 °F

    Patchy Smoke

  • Wednesday

    Wednesday: Patchy smoke before 9am. Sunny, with a high near 86. North wind 5 to 8 mph becoming east in the afternoon.

    High: 86 °F

    Patchy Smoke
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. East southeast wind 5 to 8 mph becoming light and variable.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 97. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 97 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. East wind around 6 mph becoming west after midnight. Winds could gust as high as 15 mph.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy smoke. Mostly clear, with a low around 56. East wind 5 to 7 mph becoming north after midnight.
Wednesday
Patchy smoke before 9am. Sunny, with a high near 86. North wind 5 to 8 mph becoming east in the afternoon.
Wednesday Night
Mostly clear, with a low around 57. East southeast wind 5 to 8 mph becoming light and variable.
Thursday
Sunny and hot, with a high near 97. Calm wind becoming east 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 61. East wind around 6 mph becoming west after midnight. Winds could gust as high as 15 mph.
Friday
Sunny and hot, with a high near 98.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny and hot, with a high near 100.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
A slight chance of showers and thunderstorms after noon. Sunny and hot, with a high near 99.
Sunday Night
Partly cloudy, with a low around 67.
Monday
A slight chance of showers and thunderstorms. Sunny and hot, with a high near 97.
Monday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.19°N 105.09°W (Elev. 5010 ft)
Last Update:
8:42 pm MDT Aug 4, 2026
Forecast Valid:
9pm MDT Aug 4, 2026-6pm MDT Aug 11, 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