Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and 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

68°F

20°C

Humidity	83%
Wind Speed	NE 12 mph
Barometer	29.74 in
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Last update	18 Oct 4:47 pm CDT

More Information:

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

Extended Forecast for

3 Miles NW Tunnel Hill IL

This Afternoon
High: 77 °F
Chance
T-storms
Tonight
Low: 52 °F
Showers
Sunday
High: 63 °F
Chance
Showers then
Sunny
Sunday Night
Low: 42 °F
Clear
Monday
High: 69 °F
Sunny
Monday Night
Low: 51 °F
Mostly Clear
Tuesday
High: 67 °F
Sunny
Tuesday Night
Low: 42 °F
Clear
Wednesday
High: 62 °F
Sunny

Detailed Forecast

This Afternoon

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 77. Southwest wind around 7 mph, with gusts as high as 21 mph.

Tonight

Showers and possibly a thunderstorm. Low around 52. South wind 10 to 14 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 100%.

Sunday

A 40 percent chance of showers, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 63. Northwest wind 14 to 18 mph, with gusts as high as 30 mph.

Sunday Night

Clear, with a low around 42. West wind around 6 mph becoming calm in the evening.

Monday

Sunny, with a high near 69. Light south wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 23 mph.

Monday Night

Mostly clear, with a low around 51. South wind around 10 mph, with gusts as high as 22 mph.

Tuesday

Sunny, with a high near 67. West wind 7 to 14 mph, with gusts as high as 22 mph.

Tuesday Night

Clear, with a low around 42. West northwest wind 3 to 7 mph.

Wednesday

Sunny, with a high near 62. West northwest wind 6 to 9 mph.