National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

St George Regional Airport (KSGU)

Lat: 37.0451°NLon: 113.50561°WElev: 2872.0ft.

Clear

84°F

29°C

Humidity 15%
Wind Speed E 3 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 20 Sep 01:20 PM MDT
Extended Forecast for

3 Miles SW Washington UT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 94. Calm wind.

    High: 94 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 66. Light and variable wind.

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 94. Light and variable wind.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. East northeast wind around 6 mph. Chance of precipitation is 50%.

    Low: 67 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 91. East wind around 5 mph becoming calm in the morning.

    High: 91 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 94. Calm wind.
Tonight
Partly cloudy, with a low around 66. Light and variable wind.
Monday
Sunny, with a high near 94. Light and variable wind.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. East northeast wind around 6 mph. Chance of precipitation is 50%.
Tuesday
Mostly sunny, with a high near 91. East wind around 5 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Sunny, with a high near 94.
Thursday Night
Mostly clear, with a low around 69.
Friday
Sunny, with a high near 94.
Friday Night
Mostly clear, with a low around 69.
Saturday
Sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Washington UT
 37.1°N 113.52°W (Elev. 2598 ft)
Last Update:
12:31 pm MDT Sep 20, 2026
Forecast Valid:
1pm MDT Sep 20, 2026-6pm MDT Sep 26, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation