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

80°F

27°C

Humidity 81%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 19 Aug 7:35 pm CDT
Extended Forecast for

Winona MS

Heat Advisory August 20, 11:00am until August 20, 08:00pm
Heat Advisory August 19, 07:42pm until August 19, 09:00pm
Click here for hazard details and duration
Heat Advisory
...
  •  
    Heat Advisory August 19, 07:42pm until August 19, 09:00pm

    NOW until 9:00pm Wed

    Heat Advisory

  • Tonight

    Low: 75 °F

    Slight Chance
    T-storms then
    Patchy Smoke

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 97. Heat index values as high as 106. West southwest wind around 5 mph.

    High: 97 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly before midnight. Increasing clouds, with a low around 72. Calm wind.

    Low: 72 °F

    Chance
    T-storms

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Sunny, with a high near 96. Heat index values as high as 106. Calm wind becoming north northwest around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 96 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 96. Calm wind becoming north northeast around 5 mph.

    High: 96 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 96. Calm wind becoming northeast around 5 mph.

    High: 96 °F

    Sunny

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Patchy smoke between 1am and 3am. Partly cloudy, with a low around 75. Calm wind becoming south around 5 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 97. Heat index values as high as 106. West southwest wind around 5 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly before midnight. Increasing clouds, with a low around 72. Calm wind.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Sunny, with a high near 96. Heat index values as high as 106. Calm wind becoming north northwest around 5 mph in the afternoon. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 70. Calm wind.
Saturday
Sunny, with a high near 96. Calm wind becoming north northeast around 5 mph.
Saturday Night
Mostly clear, with a low around 70. Calm wind.
Sunday
Sunny, with a high near 96. Calm wind becoming northeast around 5 mph.
Sunday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 70. Calm wind. Chance of precipitation is 20%.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 71.
Tuesday
A 20 percent chance of showers. Sunny, with a high near 96.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
A 20 percent chance of showers. Sunny, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winona MS
 33.5°N 89.72°W
Last Update:
7:15 pm CDT Aug 19, 2026
Forecast Valid:
7pm CDT Aug 19, 2026-6pm CDT Aug 26, 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