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

Hot Temperatures in the Northwest U.S.; Tropical Rainfall Potential in the Southwest U.S.

Hot to extremely hot temperatures are in place again Thursday across the interior northwest U.S. A combination of monsoonal moisture and tropical moisture ahead of tropical cyclone Lorena will bring a marginal to slight risk of excessive rainfall across the southwest U.S. through Saturday which may bring areas of flooding. 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 41%
Wind Speed E 11 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 04 Sep 01:05 AM MDT
Extended Forecast for

Saint George UTSimilar City Names

  • Overnight

    Overnight: Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 96. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 96 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly after 9pm. Partly cloudy, with a low around 73. West southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 73 °F

    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 92. Calm wind becoming west around 6 mph in the afternoon.

    High: 92 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. West southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.

    High: 92 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 71. Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 73. Calm wind.
Thursday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 96. Calm wind becoming west southwest around 6 mph in the afternoon.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly after 9pm. Partly cloudy, with a low around 73. West southwest wind 5 to 7 mph becoming calm in the evening.
Friday
A 40 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 92. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. West southwest wind 5 to 7 mph becoming calm in the evening.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
Saturday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 71. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 70.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 69.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint George UTSimilar City Names
 37.1°N 113.58°W (Elev. 2631 ft)
Last Update:
3:05 pm MDT Sep 3, 2025
Forecast Valid:
1am MDT Sep 4, 2025-6pm MDT Sep 10, 2025
 
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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