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2025 NWS Jackson/Mississippi Tornado Information and Upcoming Damage Survey Plans

Hazardous Weather Conditions

Heat Advisory in effect from June 21, 11:00 AM CDT until June 21, 07:00 PM CDT

Current conditions at

Winona-Montgomery County Airport (K5A6)

Lat: 33.47°NLon: 89.73°WElev: 364ft.

Partly Cloudy

89°F

32°C

Humidity	66%
Wind Speed	NA
Barometer	30.04 in
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	101°F (38°C)
Last update	20 Jun 2:55 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

3 Miles NNW Winona MS

Heat Advisory June 21, 11:00am until June 21, 07:00pm

Click here for hazard details and duration

Heat Advisory

This Afternoon
High: 92 °F
Chance
T-storms
Tonight
Low: 74 °F
Slight Chance
T-storms then
Mostly Clear
Saturday
High: 94 °F
Sunny then
Slight Chance
T-storms
Saturday Night
Low: 73 °F
Mostly Clear
Sunday
High: 94 °F
Chance
T-storms
Sunday Night
Low: 72 °F
Partly Cloudy
then Patchy
Fog
Monday
High: 93 °F
Slight Chance
T-storms and
Patchy Fog
Monday Night
Low: 72 °F
Mostly Clear
Tuesday
High: 94 °F
Sunny then
Slight Chance
T-storms

Detailed Forecast

This Afternoon

A 30 percent chance of showers and thunderstorms, mainly before 4pm. Mostly sunny, with a high near 92. Heat index values as high as 99. West southwest wind around 5 mph.

Tonight

A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 74. Calm wind.

Saturday

A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 94. Heat index values as high as 101. Calm wind becoming west southwest around 5 mph.

Saturday Night

Mostly clear, with a low around 73. Calm wind.

Sunday

A slight chance of showers, then a chance of showers and thunderstorms after 10am. Sunny, with a high near 94. Calm wind. Chance of precipitation is 40%.

Sunday Night

Patchy fog after 2am. Otherwise, mostly clear, with a low around 72. Calm wind.

Monday

A slight chance of showers, with thunderstorms also possible after 10am. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 93. Calm wind. Chance of precipitation is 20%.

Monday Night

Mostly clear, with a low around 72. Calm wind.

Tuesday

A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind.

Tuesday Night

Mostly clear, with a low around 73.

Wednesday

A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96.

Wednesday Night

Mostly clear, with a low around 72.

Thursday

A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95.