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

96°F

36°C

Humidity 49%
Wind Speed Calm
Barometer 30.13 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index107°F (42°C)
Last update 16 Aug 11:55 am CDT
Extended Forecast for

6 Miles NNE Grenada MS

Heat Advisory August 16, 11:59am until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 16, 11:59am 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 79. Calm wind becoming west southwest around 5 mph.

    Low: 79 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 99. Heat index values as high as 107. West wind around 5 mph. Chance of precipitation is 30%.

    High: 99 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Mostly Clear

  • Tuesday

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

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 100. Calm wind becoming west southwest around 5 mph.

    High: 100 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 77. Calm wind.

    Low: 77 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny and hot, with a high near 99. Heat index values as high as 109. West wind around 5 mph.
Tonight
Mostly clear, with a low around 79. Calm wind becoming west southwest around 5 mph.
Monday
A chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 99. Heat index values as high as 107. West wind around 5 mph. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 76. Calm wind.
Tuesday
Sunny and hot, with a high near 99. Calm wind becoming northwest around 5 mph.
Tuesday Night
Mostly clear, with a low around 76. Calm wind.
Wednesday
Sunny and hot, with a high near 100. Calm wind becoming west southwest around 5 mph.
Wednesday Night
Partly cloudy, with a low around 77. Calm wind.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. 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 74.
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. Partly cloudy, with a low around 72.
Saturday
Sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNE Grenada MS
 33.86°N 89.76°W
Last Update:
11:15 am CDT Aug 16, 2026
Forecast Valid:
11am 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