Active Weather for the Plains and Mississippi Valley

A developing storm across the Southern Plains is forecast to bring severe weather that includes large hail and damaging wind gusts, heavy rainfall that could result in flash flooding across portions of the Plains and Mississippi Valley. The effects of this storm will continue through the middle of this week. The Four Corners area will continue to see elevated to critical fire weather conditions. Read More >

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Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Partly Cloudy

54°F

12°C

Humidity	83%
Wind Speed	N 7 mph
Barometer	30.25 in
Dewpoint	49°F (9°C)
Visibility	10.00 mi
Wind Chill	52°F (11°C)
Last update	23 May 2:15 am CDT

More Information:

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

Extended Forecast for

Marion IL

Overnight

Mostly Cloudy
Low: 52 °F
Monday

Partly Sunny
High: 69 °F
Monday
Night

Mostly Cloudy
Low: 56 °F
Tuesday

Mostly Cloudy
then Chance
Showers
High: 77 °F
Tuesday
Night

Showers
Low: 65 °F
Wednesday

Showers then
T-storms
High: 76 °F
Wednesday
Night

Showers
Likely
Low: 60 °F
Thursday

Chance
Showers
High: 70 °F
Thursday
Night

Slight Chance
Showers
Low: 54 °F

Detailed Forecast

Overnight

Mostly cloudy, with a low around 52. North northeast wind around 6 mph.

Monday

Partly sunny, with a high near 69. East northeast wind 9 to 11 mph, with gusts as high as 22 mph.

Monday Night

Mostly cloudy, with a low around 56. East northeast wind 3 to 6 mph.

Tuesday

A 50 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. East southeast wind 5 to 10 mph.

Tuesday Night

Showers and possibly a thunderstorm. Low around 65. East southeast wind 7 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%.

Wednesday

Showers and possibly a thunderstorm. High near 76. South southwest wind 9 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%.

Wednesday Night

Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 60. South southwest wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.

Thursday

A chance of showers, mainly before 1pm. Partly sunny, with a high near 70. West wind 6 to 10 mph, with gusts as high as 18 mph.

Thursday Night

A slight chance of showers before 1am. Partly cloudy, with a low around 54. West wind 3 to 6 mph.

Friday

Mostly sunny, with a high near 76. West wind 5 to 7 mph.

Friday Night

Mostly clear, with a low around 58. Calm wind becoming south around 5 mph after midnight.

Saturday

Sunny, with a high near 83. South wind 6 to 10 mph.

Saturday Night

Mostly clear, with a low around 64. South wind 6 to 8 mph.