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

75°F

24°C

Humidity 13%
Wind Speed SE 6 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 19 Sep 10:00 PM MDT
Extended Forecast for

2 Miles W Zion NP and Zion Canyon UT

  • Tonight

    Tonight: Clear, with a low around 58. Northeast wind 7 to 15 mph.

    Low: 58 °F

    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 87. Northeast wind 9 to 14 mph becoming light and variable.

    High: 87 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61. Light and variable wind becoming northeast 12 to 17 mph in the evening.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 87. East northeast wind 11 to 16 mph becoming south southeast 5 to 10 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South southeast wind 6 to 14 mph becoming east northeast after midnight. Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly before noon. Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64. Breezy.

    Low: 64 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

Detailed Forecast

Tonight
Clear, with a low around 58. Northeast wind 7 to 15 mph.
Sunday
Mostly sunny, with a high near 87. Northeast wind 9 to 14 mph becoming light and variable.
Sunday Night
Partly cloudy, with a low around 61. Light and variable wind becoming northeast 12 to 17 mph in the evening.
Monday
Mostly sunny, with a high near 87. East northeast wind 11 to 16 mph becoming south southeast 5 to 10 mph in the afternoon.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South southeast wind 6 to 14 mph becoming east northeast after midnight. Chance of precipitation is 40%.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly before noon. Partly sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 64. Breezy.
Thursday
Sunny, with a high near 87. Breezy.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63. Breezy.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 62. Breezy.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Zion NP and Zion Canyon UT
 37.2°N 113°W (Elev. 4859 ft)
Last Update:
12:31 pm MDT Sep 19, 2026
Forecast Valid:
10pm MDT Sep 19, 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