Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Hazardous Weather Conditions

Current conditions at

Vance Brand Airport (KLMO)

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

Fair with Haze

64°F

18°C

Humidity 71%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 54°F (12°C)
Visibility 3.00 mi
Last update 20 Jun 8:15 am MDT
Extended Forecast for

2 Miles ENE Longmont CO

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 91. Light and variable wind becoming west 9 to 14 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 91 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 58. Breezy, with a west wind 11 to 16 mph becoming light and variable  after midnight. Winds could gust as high as 25 mph.

    Low: 58 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 5pm.  Sunny, with a high near 91. Light and variable wind becoming north 8 to 13 mph in the morning. Winds could gust as high as 23 mph.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 55. North northeast wind 9 to 14 mph becoming light north  in the evening. Winds could gust as high as 24 mph.

    Low: 55 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 87. Calm wind becoming east southeast 5 to 8 mph in the morning. Winds could gust as high as 17 mph.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

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

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 55.

    Low: 55 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 85.

    High: 85 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 91. Light and variable wind becoming west 9 to 14 mph in the afternoon. Winds could gust as high as 22 mph.
Tonight
Partly cloudy, with a low around 58. Breezy, with a west wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 5pm. Sunny, with a high near 91. Light and variable wind becoming north 8 to 13 mph in the morning. Winds could gust as high as 23 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 55. North northeast wind 9 to 14 mph becoming light north in the evening. Winds could gust as high as 24 mph.
Monday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87. Calm wind becoming east southeast 5 to 8 mph in the morning. Winds could gust as high as 17 mph.
Monday Night
Mostly clear, with a low around 56.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81.
Tuesday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 55.
Wednesday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85.
Wednesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 56.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 87.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Longmont CO
 40.19°N 105.09°W (Elev. 5010 ft)
12:46 am MDT Jun 20, 2026
8am MDT Jun 20, 2026-6pm MDT Jun 26, 2026
 
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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