National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Vance Brand Airport (KLMO)

Lat: 40.16°NLon: 105.16°WElev: 5039ft.

Fair

91°F

33°C

Humidity 19%
Wind Speed E 3 mph
Barometer 30.20 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 17 Aug 3:15 pm MDT
Extended Forecast for

2 Miles ENE Longmont CO

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 91. East wind around 7 mph.

    High: 91 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 60. East wind around 6 mph becoming light and variable after midnight.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90. Light and variable wind becoming northeast 5 to 10 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 90 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Northeast wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 40%.

    Low: 60 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87. Calm wind becoming northeast around 6 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday 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. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers and thunderstorms after noon. Sunny, with a high near 93.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 91. East wind around 7 mph.
Tonight
Partly cloudy, with a low around 60. East wind around 6 mph becoming light and variable after midnight.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90. Light and variable wind becoming northeast 5 to 10 mph in the afternoon. Winds could gust as high as 16 mph.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Northeast wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 40%.
Wednesday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87. Calm wind becoming northeast around 6 mph in the afternoon. Winds could gust as high as 15 mph.
Wednesday 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. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 61.
Friday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 93.
Friday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Longmont CO
 40.19°N 105.09°W (Elev. 5010 ft)
Last Update:
12:46 pm MDT Aug 17, 2026
Forecast Valid:
3pm MDT Aug 17, 2026-6pm MDT Aug 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation