



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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