Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

Fair

78°F

26°C

Humidity 71%
Wind Speed NE 6 mph
Barometer 30.01 in (1015.1 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 19 Aug 8:53 am EDT
Extended Forecast for

Welcome SC

  • Today

    Today: Sunny, with a high near 94. Northeast wind 5 to 7 mph becoming calm  in the afternoon.

    High: 94 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 96. Heat index values as high as 102. Calm wind becoming west around 6 mph in the afternoon.

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 72 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 5pm.  Partly sunny, with a high near 92. North northeast wind around 6 mph becoming south in the afternoon.  Chance of precipitation is 60%.

    High: 92 °F

    Mostly Sunny
    then T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before midnight.  Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

    Low: 69 °F

    T-storms
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 94. Northeast wind 5 to 7 mph becoming calm in the afternoon.
Tonight
Mostly clear, with a low around 73. Calm wind.
Thursday
Sunny and hot, with a high near 96. Heat index values as high as 102. Calm wind becoming west around 6 mph in the afternoon.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm in the evening.
Friday
Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 92. North northeast wind around 6 mph becoming south in the afternoon. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 69.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 68.
Monday
Sunny, with a high near 91.
Monday Night
Mostly clear, with a low around 69.
Tuesday
Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Welcome SC
 34.82°N 82.46°W (Elev. 928 ft)
6:53 am EDT Aug 19, 2026
8am EDT Aug 19, 2026-6pm EDT Aug 25, 2026
 
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