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

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

Mostly Cloudy

81°F

27°C

Humidity 69%
Wind Speed SW 5 mph
Barometer 30.01 in (1015.1 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 22 Aug 2:53 pm EDT
Extended Forecast for

2 Miles NE Donaldson Center Airport SC

  • Tonight

    Tonight: Mostly clear, with a low around 67. South wind around 6 mph becoming calm in the evening.

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64. North wind around 5 mph becoming calm after midnight.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 89. Calm wind becoming west around 6 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. Calm wind becoming northeast around 5 mph after midnight.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers between 8pm and 2am. Partly cloudy, with a low around 69. Chance of precipitation is 40%.

    Low: 69 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 67. South wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 90. Calm wind becoming north northwest around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 64. North wind around 5 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 89. Calm wind becoming west around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 66. Calm wind becoming northeast around 5 mph after midnight.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Sunny, with a high near 91.
Wednesday Night
A chance of showers between 8pm and 2am. Partly cloudy, with a low around 69. Chance of precipitation is 40%.
Thursday
Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Donaldson Center Airport SC
 34.76°N 82.36°W (Elev. 896 ft)
Last Update:
2:23 pm EDT Aug 22, 2026
Forecast Valid:
3pm EDT Aug 22, 2026-6pm EDT Aug 29, 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