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

Hazardous Weather Conditions

Current conditions at

Winona-Montgomery County Airport (K5A6)

Lat: 33.47°NLon: 89.73°WElev: 364ft.

Fair

85°F

29°C

Humidity 67%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 15 Aug 7:55 pm CDT
Extended Forecast for

Walthall MS

Heat Advisory August 15, 08:14pm until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 15, 08:14pm until August 17, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • Tonight

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 99. Heat index values as high as 110. Calm wind becoming west around 5 mph.

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 79. Calm wind.

    Low: 79 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 100. Heat index values as high as 109. West wind around 5 mph.

    High: 100 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98. Calm wind becoming northwest around 5 mph.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Calm wind becoming west around 5 mph.

    High: 99 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 75. Calm wind.
Sunday
Sunny and hot, with a high near 99. Heat index values as high as 110. Calm wind becoming west around 5 mph.
Sunday Night
Mostly clear, with a low around 79. Calm wind.
Monday
Sunny and hot, with a high near 100. Heat index values as high as 109. West wind around 5 mph.
Monday Night
Mostly clear, with a low around 75. Calm wind.
Tuesday
Sunny and hot, with a high near 98. Calm wind becoming northwest around 5 mph.
Tuesday Night
Mostly clear, with a low around 74. Calm wind.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Calm wind becoming west around 5 mph.
Wednesday Night
Mostly clear, with a low around 76. Calm wind.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 71.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Walthall MS
 33.62°N 89.28°W
Last Update:
7:15 pm CDT Aug 15, 2026
Forecast Valid:
8pm CDT Aug 15, 2026-6pm CDT Aug 22, 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