Areas of Severe Thunderstorms and Heavy Rain Possible through the Weekend

There will be daily chances for scattered thunderstorms across portions of the Central and Eastern U.S. through the weekend, with severe thunderstorms possible in the northern Plains and Upper Midwest. Potential severe storm hazards may include large hail, damaging winds, and a few tornadoes. Storms could also produce heavy rain that may lead to isolated instances of flash flooding. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Overcast

81°F

27°C

Humidity	84%
Wind Speed	S 8 mph
Barometer	30.03 in
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	29 Jun 12:45 pm CDT

More Information:

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

Extended Forecast for

Herrin IL

This Afternoon
High: 85 °F
Chance
T-storms
Tonight
Low: 73 °F
T-storms
Likely
Monday
High: 90 °F
Chance
T-storms then
T-storms
Monday Night
Low: 71 °F
Chance
T-storms then
Chance
Showers
Tuesday
High: 88 °F
Mostly Sunny
Tuesday Night
Low: 67 °F
Mostly Clear
Wednesday
High: 89 °F
Mostly Sunny
Wednesday Night
Low: 69 °F
Mostly Clear
Thursday
High: 92 °F
Sunny then
Slight Chance
T-storms

Detailed Forecast

This Afternoon

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85. South southwest wind around 6 mph.

Tonight

Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 73. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

Monday

Showers and thunderstorms, mainly after 1pm. High near 90. West southwest wind 5 to 8 mph. Chance of precipitation is 80%.

Monday Night

A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 71. West wind 3 to 6 mph. Chance of precipitation is 40%.

Tuesday

Mostly sunny, with a high near 88. North northwest wind 5 to 7 mph.

Tuesday Night

Mostly clear, with a low around 67. Light north northwest wind.

Wednesday

Mostly sunny, with a high near 89. Light northwest wind.

Wednesday Night

Mostly clear, with a low around 69. Calm wind.

Thursday

A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Light west southwest wind.

Thursday Night

Mostly clear, with a low around 71. Calm wind.