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.

Overcast

82°F

28°C

Humidity 69%
Wind Speed W 10 G 17 mph
Barometer 29.97 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 17 Jun 12:15 pm CDT
Extended Forecast for

Weir MS

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. High near 85. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    Showers

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 70. South southwest wind around 5 mph.

    Low: 70 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Heat index values as high as 97. South southwest wind around 5 mph.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. South wind around 5 mph.

    Low: 72 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Juneteenth

    Juneteenth: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 88. West southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    T-storms then
    T-storms

  • Thursday Night

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

    Low: 71 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92. Calm wind.

    High: 92 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday Night

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

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind becoming southwest around 5 mph.

    High: 94 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. High near 85. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A 30 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 70. South southwest wind around 5 mph.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Heat index values as high as 97. South southwest wind around 5 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. South wind around 5 mph.
Juneteenth
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 88. West southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Partly cloudy, with a low around 71. Calm wind.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92. Calm wind.
Friday Night
Mostly clear, with a low around 72. Calm wind.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind becoming southwest around 5 mph.
Saturday Night
Mostly clear, with a low around 72.
Sunday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 73.
Monday
A 50 percent chance of showers and thunderstorms. Sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Weir MS
 33.28°N 89.3°W
Last Update:
12:15 pm CDT Jun 17, 2025
Forecast Valid:
12pm CDT Jun 17, 2025-6pm CDT Jun 23, 2025
 
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