Heavy Rainfall to Develop Along the Gulf Coast; Excessive Heat Lingers in the Southwest U.S.

Excessive heat will continue today across parts of the Southwest; the persistent hot and dry weather will also support critical fire danger over the Great Basin. Elsewhere, severe thunderstorms are possible today over the Mississippi Valley. Tropical downpours are expected in many areas from Louisiana eastward to Florida as early as Saturday as Cristobal moves over the Gulf of Mexico. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

En Español

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Clear

66°F

19°C

Humidity	100%
Wind Speed	SE 6 mph
Barometer	29.91 in
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Last update	5 Jun 6:45 am CDT

More Information:

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

Extended Forecast for

Marion IL

Today

Patchy Fog
then Mostly
Sunny
High: 87 °F
Tonight

Mostly Cloudy
Low: 70 °F
Saturday

Scattered
T-storms
High: 88 °F
Saturday
Night

Mostly Clear
Low: 65 °F
Sunday

Sunny
High: 87 °F
Sunday
Night

Partly Cloudy
Low: 65 °F
Monday

Mostly Sunny
High: 90 °F
Monday
Night

Partly Cloudy
then Slight
Chance
Showers
Low: 72 °F
Tuesday

Chance
Showers then
Chance
T-storms
High: 87 °F

Detailed Forecast

Today

Patchy fog before 8am. Otherwise, mostly sunny, with a high near 87. Calm wind becoming south 5 to 8 mph in the afternoon.

Tonight

Mostly cloudy, with a low around 70. Light and variable wind.

Saturday

Scattered showers and thunderstorms, mainly between 10am and 5pm. Mostly sunny, with a high near 88. Calm wind becoming east northeast around 5 mph in the afternoon. Chance of precipitation is 40%.

Saturday Night

Mostly clear, with a low around 65. Light east northeast wind.

Sunday

Sunny, with a high near 87. East wind 6 to 8 mph.

Sunday Night

Partly cloudy, with a low around 65. East wind around 6 mph.

Monday

Mostly sunny, with a high near 90. East wind around 9 mph.

Monday Night

A slight chance of showers after 1am. Mostly cloudy, with a low around 72. East southeast wind around 10 mph.

Tuesday

A chance of showers and thunderstorms. Partly sunny, with a high near 87. South southeast wind 11 to 17 mph, with gusts as high as 24 mph.

Tuesday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. South southeast wind 13 to 17 mph becoming west southwest after midnight. Winds could gust as high as 24 mph.

Wednesday

A chance of showers and thunderstorms. Partly sunny, with a high near 82. West wind 11 to 14 mph, with gusts as high as 20 mph.

Wednesday Night

A slight chance of showers and thunderstorms. Mostly clear, with a low around 61. North northwest wind 6 to 10 mph becoming southwest after midnight.

Thursday

Sunny, with a high near 82. South southwest wind 5 to 7 mph.