Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Heat Building in the Western U.S.

A cold front pressing east across the central U.S. will be the focus for areas of strong to severe thunderstorms and excessive rainfall through this weekend. Strong to severe thunderstorms my bring damaging winds, hail, and a few tornadoes while excessive rainfall may lead to areas of flooding. Heat will build across the western U.S. with heat-related watches, warnings, and advisories issued. Read More >

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77° N Lon: 89.01° W Elev: 486 ft.

Partly Cloudy

73°F

23°C

Humidity 96%
Wind Speed S 5 mph
Barometer 30.03 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 13 Jul 12:15 am CDT
Detailed forecast for

Johnson County

Tonight
Partly cloudy. Patchy fog after midnight. Near steady temperature in the lower 70s. South winds around 5 mph late this evening, becoming light and variable.
Sunday
Mostly sunny. Patchy fog in the morning. A slight chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the upper 80s. Calm winds, becoming southwest around 5 mph in the afternoon. Chance of rain 70 percent.
Sunday Night
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Patchy fog after midnight. Lows in the lower 70s. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent.
Monday
Partly sunny. Patchy fog in the morning. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. South winds around 5 mph. Chance of rain 40 percent.
Monday Night
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 70s. South winds around 5 mph in the evening, becoming light and variable.
Tuesday
Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 50 percent.
Tuesday Night
Partly cloudy. Lows in the mid 70s.
Wednesday Through Thursday
Partly cloudy with a chance of showers and thunderstorms. Highs in the lower 90s. Lows in the mid 70s. Chance of rain 50 percent.
Thursday Night
Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 50 percent.
Friday
Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 40 percent.
Friday Night
Mostly cloudy. Lows in the lower 70s.
Saturday
Mostly cloudy in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent.



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945 PM CDT Sat Jul 12 2025
 
 

Additional Resources

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Hourly Weather Forecast

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