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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Current conditions at

Mesquite (CMP27)

Lat: 36.81444°NLon: 114.05065°WElev: 1767.0ft.

NA

84°F

29°C

Humidity 40%
Wind Speed SSW 2 MPH
Barometer NA
Dewpoint 57°F (14°C)
Visibility NA
Heat Index83°F (28°C)
Last update 18 Sep 03:00 AM PDT
Extended Forecast for

11 Miles SW Saint George UT

  • Overnight

    Overnight: A 10 percent chance of showers and thunderstorms before 4am. Partly cloudy, with a low around 68. East wind around 5 mph.

    Low: 68 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Sunny, with a high near 94. East northeast wind 7 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 94 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65. West southwest wind around 6 mph becoming light and variable after midnight.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 93. Light and variable wind becoming west 5 to 8 mph in the afternoon.

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. West southwest wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms, then a chance of showers after 11pm. Partly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 10 percent chance of showers and thunderstorms before 4am. Partly cloudy, with a low around 68. East wind around 5 mph.
Friday
Sunny, with a high near 94. East northeast wind 7 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 65. West southwest wind around 6 mph becoming light and variable after midnight.
Saturday
Sunny, with a high near 93. Light and variable wind becoming west 5 to 8 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 63. West southwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 94.
Sunday Night
Partly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 94.
Monday Night
A slight chance of showers and thunderstorms, then a chance of showers after 11pm. Partly cloudy, with a low around 65.
Tuesday
A slight chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 92.
Tuesday Night
Clear, with a low around 64.
Wednesday
Sunny, with a high near 95.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SW Saint George UT
 36.97°N 113.73°W (Elev. 2477 ft)
Last Update:
1:22 am MST Sep 18, 2026
Forecast Valid:
3am MST Sep 18, 2026-6pm MST Sep 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation