Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Current conditions at

Mesquite (CMP27)

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

NA

90°F

32°C

Humidity 19%
Wind Speed SSW 1 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Heat Index86°F (30°C)
Last update 31 Aug 08:40 AM PDT
Extended Forecast for

15 Miles SW Saint George UT

Flood Watch until September 1, 12:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until September 1, 12:00am

    NOW until 12:00am Tue

    Flood Watch

  • Today

    High: 90 °F

    Showers

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 10pm.  Partly cloudy, with a low around 68. East northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 68 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93. East northeast wind 9 to 16 mph becoming southwest in the afternoon. Winds could gust as high as 28 mph.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69. Southwest wind 8 to 13 mph becoming southeast after midnight. Winds could gust as high as 24 mph.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. South southeast wind 9 to 14 mph becoming southwest in the morning. Winds could gust as high as 26 mph.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Thursday Night

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

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Today
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. High near 90. East northeast wind 8 to 15 mph becoming west in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 68. East northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 93. East northeast wind 9 to 16 mph becoming southwest in the afternoon. Winds could gust as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 69. Southwest wind 8 to 13 mph becoming southeast after midnight. Winds could gust as high as 24 mph.
Wednesday
Sunny, with a high near 94. South southeast wind 9 to 14 mph becoming southwest in the morning. Winds could gust as high as 26 mph.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Sunny, with a high near 95.
Thursday Night
Mostly clear, with a low around 70.
Friday
A slight chance of showers and thunderstorms after 11am. Sunny, with a high near 95.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Saturday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 93.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles SW Saint George UT
 36.96°N 113.81°W (Elev. 2818 ft)
11:32 pm MST Aug 30, 2026
9am MST Aug 31, 2026-6pm MST Sep 6, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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