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

Hazardous Weather Conditions

Current conditions at

Marion County Airport (KMAO)

Lat: 34.18°NLon: 79.34°WElev: 92ft.

Fair

90°F

32°C

Humidity 41%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 1 Sep 5:55 pm EDT
Extended Forecast for

5 Miles NW Gresham SC

Heat Advisory September 2, 11:00am until September 2, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Clear, with a low around 73. Light south wind.

    Low: 73 °F

    Clear

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, sunny, with a high near 96. Heat index values as high as 106. Calm wind.

    High: 96 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73. Light southwest wind.

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 95. Heat index values as high as 106. Calm wind.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 73. Light southwest wind.

    Low: 73 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 74.

    Low: 74 °F

    Clear

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Chance of precipitation is 40%.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 50%.

    Low: 72 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Clear, with a low around 73. Light south wind.
Wednesday
Patchy fog before 9am. Otherwise, sunny, with a high near 96. Heat index values as high as 106. Calm wind.
Wednesday Night
Mostly clear, with a low around 73. Light southwest wind.
Thursday
Sunny, with a high near 95. Heat index values as high as 106. Calm wind.
Thursday Night
Clear, with a low around 73. Light southwest wind.
Friday
Sunny, with a high near 95.
Friday Night
Clear, with a low around 74.
Saturday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 50%.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Labor Day
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Gresham SC
 33.97°N 79.47°W (Elev. 33 ft)
Last Update:
6:00 pm EDT Sep 1, 2026
Forecast Valid:
6pm EDT Sep 1, 2026-6pm EDT Sep 8, 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