Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Current conditions at

Vance Brand Airport (KLMO)

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

Fair

78°F

26°C

Humidity 15%
Wind Speed W 5 mph
Barometer 29.74 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 16 Jun 10:55 pm MDT
Extended Forecast for

2 Miles SSW Longmont CO

  • Tonight

    Tonight: Mostly clear, with a low around 61. West wind around 9 mph, with gusts as high as 15 mph.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 96. Breezy, with a west wind 9 to 16 mph becoming north northwest in the morning. Winds could gust as high as 28 mph.

    High: 96 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. Breezy, with a northwest wind 10 to 15 mph becoming light north  after midnight. Winds could gust as high as 26 mph.

    Low: 53 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 86. Calm wind becoming east 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. East northeast wind 5 to 9 mph becoming calm  after midnight. Winds could gust as high as 18 mph.

    Low: 54 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 93. Breezy.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. Breezy.

    Low: 57 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 61. West wind around 9 mph, with gusts as high as 15 mph.
Wednesday
Sunny, with a high near 96. Breezy, with a west wind 9 to 16 mph becoming north northwest in the morning. Winds could gust as high as 28 mph.
Wednesday Night
Mostly clear, with a low around 53. Breezy, with a northwest wind 10 to 15 mph becoming light north after midnight. Winds could gust as high as 26 mph.
Thursday
Sunny, with a high near 86. Calm wind becoming east 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
Mostly clear, with a low around 54. East northeast wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Juneteenth
Sunny, with a high near 91.
Friday Night
Partly cloudy, with a low around 59.
Saturday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 93. Breezy.
Saturday Night
Mostly clear, with a low around 57. Breezy.
Sunday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 54.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 54.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Longmont CO
 40.14°N 105.12°W (Elev. 5000 ft)
12:46 pm MDT Jun 16, 2026
11pm MDT Jun 16, 2026-6pm MDT Jun 23, 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