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

73°F

23°C

Humidity 89%
Wind Speed N 3 mph
Barometer 30.03 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 14 Aug 11:35 pm CDT
Extended Forecast for

Weir MS

Heat Advisory August 15, 10:00am until August 15, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92. Heat index values as high as 99. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 101. Calm wind.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 94. Calm wind.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 94. Calm wind.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. Calm wind.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92. Heat index values as high as 99. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 72. Calm wind.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 101. Calm wind.
Saturday Night
Mostly clear, with a low around 72. Calm wind.
Sunday
Sunny, with a high near 94. Calm wind.
Sunday Night
Mostly clear, with a low around 72. Calm wind.
Monday
Sunny, with a high near 94. Calm wind.
Monday Night
Mostly clear, with a low around 72. Calm wind.
Tuesday
Sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 72.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Weir MS
 33.25°N 89.3°W
Last Update:
11:17 pm CDT Aug 14, 2025
Forecast Valid:
11pm CDT Aug 14, 2025-6pm CDT Aug 21, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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