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

Mount Pleasant, Mount Pleasant Regional Airport (KOSA)

Lat: 33.1°NLon: 94.96°WElev: 364ft.

Partly Cloudy

98°F

37°C

Humidity 33%
Wind Speed E 10 mph
Barometer 29.95 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 31 Aug 5:30 pm CDT
Extended Forecast for

2 Miles ENE Winnsboro TX

  • Tonight

    Tonight: Mostly clear, with a low around 76. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99. Heat index values as high as 106. Light and variable wind becoming east 5 to 10 mph in the afternoon.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75. Southeast wind 5 to 10 mph becoming light  in the evening.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms.  Mostly sunny and hot, with a high near 96. Heat index values as high as 104. Light southeast wind increasing to 5 to 10 mph in the morning.

    High: 96 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers.  Partly cloudy, with a low around 75. South wind 5 to 10 mph.

    Low: 75 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 76. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 99. Heat index values as high as 106. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 75. Southeast wind 5 to 10 mph becoming light in the evening.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 96. Heat index values as high as 104. Light southeast wind increasing to 5 to 10 mph in the morning.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 75. South wind 5 to 10 mph.
Thursday
Mostly sunny and hot, with a high near 97.
Thursday Night
Mostly clear, with a low around 74.
Friday
Sunny and hot, with a high near 98.
Friday Night
Mostly clear, with a low around 75.
Saturday
Sunny and hot, with a high near 99.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny and hot, with a high near 99.
Sunday Night
Mostly clear, with a low around 75.
Labor Day
Sunny and hot, with a high near 99.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Winnsboro TX
 32.97°N 95.24°W (Elev. 479 ft)
3:50 pm CDT Aug 31, 2026
6pm CDT Aug 31, 2026-6pm CDT Sep 7, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database