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

79°F

26°C

Humidity 24%
Wind Speed SSW 3 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 19 Sep 11:20 AM MDT
Extended Forecast for

5 Miles SSW Saint George UT

  • Today

    Today: Sunny, with a high near 91. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. West wind 5 to 9 mph becoming calm after midnight.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 92. Calm wind.

    High: 92 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 92. Light and variable wind.

    High: 92 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly before noon. Mostly sunny, with a high near 89.

    High: 89 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 91. Calm wind becoming west 5 to 8 mph in the afternoon.
Tonight
Mostly clear, with a low around 62. West wind 5 to 9 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 92. Calm wind.
Sunday Night
Partly cloudy, with a low around 66. Light and variable wind.
Monday
Mostly sunny, with a high near 92. Light and variable wind.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 66.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly before noon. Mostly sunny, with a high near 89.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Sunny, with a high near 95.
Thursday Night
Partly cloudy, with a low around 68.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Saint George UT
 37°N 113.62°W (Elev. 2667 ft)
Last Update:
12:36 am MDT Sep 19, 2026
Forecast Valid:
11am MDT Sep 19, 2026-6pm MDT Sep 25, 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