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

93°F

34°C

Humidity 46%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 18 Aug 5:35 pm CDT
Extended Forecast for

7 Miles W Louisville MS

Heat Advisory August 18, 05:51pm until August 19, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 18, 05:51pm until August 19, 09:00pm

    NOW until 9:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 92 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny and hot, with a high near 99. Heat index values as high as 107. Calm wind becoming west around 5 mph.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms between 9pm and 10pm. Partly cloudy, with a low around 75. Calm wind becoming west southwest around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97. West wind around 5 mph.

    High: 97 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

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

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 94 °F

    Chance
    T-storms

  • Friday Night

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

    Low: 71 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a steady temperature around 92. Heat index values as high as 101. North northwest wind around 5 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 73. Calm wind.
Wednesday
Sunny and hot, with a high near 99. Heat index values as high as 107. Calm wind becoming west around 5 mph.
Wednesday Night
A slight chance of showers and thunderstorms between 9pm and 10pm. Partly cloudy, with a low around 75. Calm wind becoming west southwest around 5 mph after midnight. Chance of precipitation is 20%.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97. West wind around 5 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 73. Calm wind.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Calm wind becoming west northwest around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 71. Calm wind.
Saturday
Sunny, with a high near 95. Calm wind becoming north around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 70.
Sunday
Sunny, with a high near 96.
Sunday Night
Mostly clear, with a low around 71.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Monday Night
A 20 percent chance of showers. Mostly clear, with a low around 72.
Tuesday
A slight chance of showers and thunderstorms. Sunny and hot, with a high near 97.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles W Louisville MS
 33.11°N 89.17°W
Last Update:
5:15 pm CDT Aug 18, 2026
Forecast Valid:
5pm CDT Aug 18, 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