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

72°F

22°C

Humidity 99%
Wind Speed Calm
Barometer 30.13 in
Dewpoint 72°F (22°C)
Visibility 7.00 mi
Last update 16 Aug 6:55 am CDT
Extended Forecast for

6 Miles WNW Stewart MS

Heat Advisory August 16, 07:19am until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 16, 07:19am until August 17, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • Today

    High: 99 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 78. Calm wind.

    Low: 78 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 4pm. Sunny and hot, with a high near 100. Heat index values as high as 109. Calm wind becoming west around 5 mph in the morning.

    High: 100 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99. Calm wind becoming west northwest around 5 mph.

    High: 99 °F

    Hot

  • Tuesday Night

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

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 99. Calm wind becoming west around 5 mph.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny and hot, with a high near 99. Heat index values as high as 110. Calm wind becoming west around 5 mph.
Tonight
Mostly clear, with a low around 78. Calm wind.
Monday
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 4pm. Sunny and hot, with a high near 100. Heat index values as high as 109. Calm wind becoming west around 5 mph in the morning.
Monday Night
A 30 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 74. Calm wind.
Tuesday
Sunny and hot, with a high near 99. Calm wind becoming west northwest around 5 mph.
Tuesday Night
Mostly clear, with a low around 74. Calm wind.
Wednesday
Sunny and hot, with a high near 99. Calm wind becoming west around 5 mph.
Wednesday Night
Partly cloudy, with a low around 74. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 97. Calm wind becoming west southwest around 5 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Friday Night
Partly cloudy, with a low around 70.
Saturday
Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Stewart MS
 33.56°N 89.58°W
Last Update:
7:15 am CDT Aug 16, 2026
Forecast Valid:
7am CDT Aug 16, 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