National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Winona-Montgomery County Airport (K5A6)

Lat: 33.47°NLon: 89.73°WElev: 364ft.

Mostly Cloudy

75°F

24°C

Humidity 97%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 74°F (23°C)
Visibility 7.00 mi
Last update 26 Aug 2:55 am CDT
Extended Forecast for

Weir MS

  • Overnight

    Overnight: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Patchy Fog

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly between 9am and 4pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 93. Heat index values as high as 102. Calm wind.

    High: 93 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Partly sunny, with a high near 91. Heat index values as high as 99. Calm wind.

    High: 91 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 90. Calm wind becoming north around 5 mph in the afternoon.

    High: 90 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 92. Calm wind.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 71. Calm wind.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly between 9am and 4pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 93. Heat index values as high as 102. Calm wind.
Wednesday Night
A chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Partly sunny, with a high near 91. Heat index values as high as 99. Calm wind.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 69. Calm wind.
Friday
Mostly sunny, with a high near 90. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 66. Calm wind.
Saturday
Sunny, with a high near 92. Calm wind.
Saturday Night
Mostly clear, with a low around 68. Calm wind.
Sunday
Sunny, with a high near 91.
Sunday Night
Partly cloudy, with a low around 70.
Monday
Sunny, with a high near 92.
Monday Night
Partly cloudy, with a low around 71.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Weir MS
 33.25°N 89.3°W
Last Update:
2:15 am CDT Aug 26, 2026
Forecast Valid:
3am CDT Aug 26, 2026-6pm CDT Sep 1, 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