Significant Coastal Impacts to the Mid-Atlantic and Northeast; Tropical Storm Nolo to Impact Hawaii

A strong coastal storm will bring moderate to major coastal flooding, strong winds, heavy rainfall and high surf to the Mid-Atlantic and New England. Tropical Storm Nolo is expected to strengthen into a hurricane today as it moves north toward the Big Island of Hawaii. Heavy rainfall may produce life-threatening, catastrophic flooding and mudslides. Read More >

Current conditions at

Vance Brand Airport (KLMO)

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

Mostly Cloudy

76°F

24°C

Humidity 32%
Wind Speed NE 7 mph
Barometer 30.24 in
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 24 Sep 2:55 pm MDT
Extended Forecast for

4 Miles N Longmont CO

  • This Afternoon

    This Afternoon: A 30 percent chance of showers.  Mostly cloudy, with a high near 74. Northeast wind around 8 mph.

    High: 74 °F

    Chance
    Showers

  • Tonight

    Tonight: A 50 percent chance of showers, mainly before 3am.  Patchy fog after midnight.  Otherwise, mostly cloudy, with a low around 53. East wind 5 to 7 mph becoming calm  in the evening.

    Low: 53 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after noon.  Patchy fog before 10am.  Otherwise, partly sunny, with a high near 75. Calm wind becoming south southeast around 6 mph in the afternoon.

    High: 75 °F

    Patchy Fog
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 9pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 50. Light and variable wind becoming west 5 to 8 mph after midnight.

    Low: 50 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 84. West wind 5 to 9 mph becoming light and variable. Winds could gust as high as 15 mph.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms after noon.  Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
A 30 percent chance of showers. Mostly cloudy, with a high near 74. Northeast wind around 8 mph.
Tonight
A 50 percent chance of showers, mainly before 3am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 53. East wind 5 to 7 mph becoming calm in the evening.
Friday
A 30 percent chance of showers and thunderstorms after noon. Patchy fog before 10am. Otherwise, partly sunny, with a high near 75. Calm wind becoming south southeast around 6 mph in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 50. Light and variable wind becoming west 5 to 8 mph after midnight.
Saturday
Sunny, with a high near 84. West wind 5 to 9 mph becoming light and variable. Winds could gust as high as 15 mph.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Mostly cloudy, with a low around 54.
Monday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 77.
Monday Night
Showers likely and possibly a thunderstorm, then showers after midnight. Mostly cloudy, with a low around 52.
Tuesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 65. Breezy.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 48.
Wednesday
A chance of showers. Partly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Longmont CO
 40.23°N 105.1°W (Elev. 5098 ft)
12:46 pm MDT Sep 24, 2026
3pm MDT Sep 24, 2026-6pm MDT Sep 30, 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