Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Hazardous Weather Conditions

Current conditions at

Richfield Municipal Airport (KRIF)

Lat: 38.73411°NLon: 112.10158°WElev: 5318.0ft.

NA

64°F

18°C

Humidity 82%
Wind Speed E 6 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 30 Aug 10:01 AM MDT
Extended Forecast for

Koosharem UT

Flood Watch August 31, 05:23am until August 31, 09:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 31, 05:23am until August 31, 09:00pm

    NOW until 9:00pm Mon

    Flood Watch

  • Today

    High: 75 °F

    Slight Chance
    T-storms then
    Showers

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms before 9pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 45. South wind 6 to 9 mph.

    Low: 45 °F

    Chance
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: A 10 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 76. South southwest wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon.

    High: 76 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46. South wind 10 to 17 mph.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon.

    High: 77 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Today
A slight chance of showers and thunderstorms between 9am and noon, then showers and possibly a thunderstorm after noon. High near 75. South wind 5 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 50 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 45. South wind 6 to 9 mph.
Tuesday
A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76. South southwest wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 46. South wind 10 to 17 mph.
Wednesday
Sunny, with a high near 77. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 49.
Friday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 80. Breezy.
Friday Night
Partly cloudy, with a low around 50.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Saturday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Koosharem UT
 38.51°N 111.88°W (Elev. 6919 ft)
12:31 am MDT Aug 31, 2026
5am MDT Aug 31, 2026-6pm MDT Sep 6, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database