Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Current conditions at

Vance Brand Airport (KLMO)

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

Fair

78°F

26°C

Humidity 46%
Wind Speed Calm
Barometer 30.30 in
Dewpoint 55°F (13°C)
Visibility 7.00 mi
Heat Index79°F (26°C)
Last update 1 Aug 11:55 am MDT
Extended Forecast for

Niwot CO

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm.  Areas of smoke. Partly sunny, with a high near 88. Northeast wind 7 to 10 mph becoming south southwest. Winds could gust as high as 16 mph.

    High: 88 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm.  Areas of smoke. Mostly cloudy, then gradually becoming mostly clear, with a low around 54. South wind 5 to 9 mph becoming north northwest in the evening. Winds could gust as high as 15 mph.

    Low: 54 °F

    Slight Chance
    T-storms then
    Areas Smoke

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 90. Light and variable wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 9pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 55. North wind 5 to 8 mph becoming west southwest after midnight.

    Low: 55 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 88. West wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 16 mph.

    High: 88 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 96.

    High: 96 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Areas of smoke. Partly sunny, with a high near 88. Northeast wind 7 to 10 mph becoming south southwest. Winds could gust as high as 16 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Areas of smoke. Mostly cloudy, then gradually becoming mostly clear, with a low around 54. South wind 5 to 9 mph becoming north northwest in the evening. Winds could gust as high as 15 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. Light and variable wind becoming west southwest 5 to 8 mph in the afternoon.
Saturday Night
A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 55. North wind 5 to 8 mph becoming west southwest after midnight.
Sunday
Mostly sunny, with a high near 88. West wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 16 mph.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Mostly sunny, with a high near 96.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Mostly sunny, with a high near 96.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
Niwot CO
 40.09°N 105.17°W (Elev. 5098 ft)
4:01 am MDT Aug 1, 2025
12pm MDT Aug 1, 2025-6pm MDT Aug 7, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database