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

95°F

35°C

Humidity 50%
Wind Speed NW 3 mph
Barometer 29.99 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index105°F (41°C)
Last update 19 Aug 11:55 am CDT
Extended Forecast for

4 Miles NNW Grenada MS

Heat Advisory August 20, 11:00am until August 20, 08:00pm
Heat Advisory August 19, 12:04pm until August 19, 09:00pm
Click here for hazard details and duration
Heat Advisory
Heat Advisory
  •  
    Heat Advisory August 19, 12:04pm until August 19, 09:00pm

    NOW until 9:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 101 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 98. Heat index values as high as 107. Calm wind becoming west southwest around 5 mph.

    High: 98 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Sunny and hot, with a high near 97. Calm wind becoming north northwest around 5 mph.

    High: 97 °F

    Hot

  • Friday Night

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

    Low: 70 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 97. Calm wind becoming north around 5 mph.

    High: 97 °F

    Hot

  • Saturday Night

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

    Low: 70 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 101. Heat index values as high as 111. West southwest wind around 5 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 98. Heat index values as high as 107. Calm wind becoming west southwest around 5 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 73. Calm wind.
Friday
Sunny and hot, with a high near 97. Calm wind becoming north northwest around 5 mph.
Friday Night
Mostly clear, with a low around 70. Calm wind.
Saturday
Sunny and hot, with a high near 97. Calm wind becoming north around 5 mph.
Saturday Night
Mostly clear, with a low around 70. Calm wind.
Sunday
Sunny and hot, with a high near 97. Calm wind becoming north around 5 mph.
Sunday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 72.
Monday
A 20 percent chance of showers. Sunny, with a high near 96.
Monday Night
Mostly clear, with a low around 72.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 98.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Grenada MS
 33.84°N 89.84°W
Last Update:
11:16 am CDT Aug 19, 2026
Forecast Valid:
12pm CDT Aug 19, 2026-6pm CDT Aug 25, 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