Risks of Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Fire Weather Concerns in Alaska and Southwest

An expansive storm system will bring widespread storms with a threat for flash flooding and severe weather to much of the central to eastern U.S. into early this week. Critical fire weather conditions are expected across interior Alaska this weekend. Elevated fire conditions also expected in the Southwest U.S.. Conditions will remain uncomfortably hot across the southern Plains and the Southeast. Read More >

Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Fair

70°F

21°C

Humidity 7%
Wind Speed W 9 G 20 mph
Barometer 30.11 in
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Last update 20 Jun 8:35 pm MDT
Extended Forecast for

East Portal CO

Red Flag Warning June 20, 08:44pm until June 20, 09:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning June 20, 08:44pm until June 20, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • Tonight

    Low: 44 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 64. Windy, with a west wind 15 to 20 mph increasing to 21 to 26 mph in the morning. Winds could gust as high as 40 mph.

    High: 64 °F

    Sunny and
    Windy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 39. Breezy, with a west northwest wind 5 to 15 mph becoming southeast in the evening. Winds could gust as high as 29 mph.

    Low: 39 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 67. Breezy, with a west wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 67 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. West wind 5 to 13 mph, with gusts as high as 26 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 67.

    High: 67 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after noon.  Sunny, with a high near 68. Breezy.

    High: 68 °F

    Breezy. Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 44. Breezy, with a west wind 11 to 20 mph, with gusts as high as 31 mph.
Sunday
Sunny, with a high near 64. Windy, with a west wind 15 to 20 mph increasing to 21 to 26 mph in the morning. Winds could gust as high as 40 mph.
Sunday Night
Partly cloudy, with a low around 39. Breezy, with a west northwest wind 5 to 15 mph becoming southeast in the evening. Winds could gust as high as 29 mph.
Monday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67. Breezy, with a west wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 30 mph.
Monday Night
Mostly clear, with a low around 41. West wind 5 to 13 mph, with gusts as high as 26 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 68. Breezy.
Wednesday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 41.
Thursday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68. Breezy.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 42.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 68. Breezy.
Friday Night
Partly cloudy, with a low around 44. Breezy.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 70. Windy.
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ABOUT THIS FORECAST

 
Point Forecast:
East Portal CO
 39.91°N 105.64°W (Elev. 10397 ft)
12:46 pm MDT Jun 20, 2026
8pm MDT Jun 20, 2026-6pm MDT Jun 27, 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