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.

Partly Cloudy

97°F

36°C

Humidity 47%
Wind Speed W 5 mph
Barometer 29.97 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index108°F (42°C)
Last update 20 Aug 1:35 pm CDT
Extended Forecast for

5 Miles NNW Thomastown MS

Heat Advisory August 21, 11:00am until August 21, 08:00pm
Heat Advisory August 20, 01:46pm until August 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
Heat Advisory
  •  
    Heat Advisory August 20, 01:46pm until August 20, 08:00pm

    NOW until 8:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 97 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 96. Heat index values as high as 106. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 96 °F

    Becoming
    Sunny

  • 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: Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 95. Calm wind.

    High: 95 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am. Mostly clear, with a low around 72. Calm wind becoming east around 5 mph.

    Low: 72 °F

    Mostly Clear
    then Slight
    Chance
    Showers

Detailed Forecast

This Afternoon
A 10 percent chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 97. Heat index values as high as 107. West southwest wind around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 73. Calm wind.
Friday
Partly sunny, then gradually becoming sunny, with a high near 96. Heat index values as high as 106. Calm wind becoming north northwest around 5 mph in the afternoon.
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
Partly cloudy, with a low around 71. Calm wind.
Sunday
Mostly sunny, with a high near 95. Calm wind.
Sunday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 72. Calm wind becoming east around 5 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 92. East wind around 5 mph becoming north in the morning.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 20%.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 92.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 72.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Thomastown MS
 32.93°N 89.69°W
Last Update:
1:26 pm CDT Aug 20, 2026
Forecast Valid:
1pm CDT Aug 20, 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