Storm Moving from Western into Central U.S. through Wednesday

A storm system moving over the Rockies Wednesday will bring marginal risks for excessive rainfall and severe thunderstorms from parts of New Mexico into western South Dakota. Moderate snow is expected from northwestern Wyoming into southern Montana. Read More >

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

59°F

15°C

Humidity	93%
Wind Speed	Calm
Barometer	30.22 in
Dewpoint	57°F (14°C)
Visibility	10.00 mi
Last update	14 Oct 8:55 pm CDT

More Information:

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

Extended Forecast for

Johnston City IL

Tonight
Low: 55 °F
Clear
Wednesday
High: 83 °F
Sunny
Wednesday Night
Low: 57 °F
Mostly Clear
Thursday
High: 79 °F
Sunny
Thursday Night
Low: 55 °F
Partly Cloudy
Friday
High: 81 °F
Partly Sunny
Friday Night
Low: 62 °F
Mostly Clear
Saturday
High: 77 °F
Chance
T-storms then
Showers
Likely
Saturday Night
Low: 53 °F
Showers
Likely

Detailed Forecast

Tonight

Clear, with a low around 55. Calm wind.

Wednesday

Sunny, with a high near 83. Calm wind becoming northeast around 6 mph in the afternoon.

Wednesday Night

Mostly clear, with a low around 57. Light east wind.

Thursday

Sunny, with a high near 79. Light east wind increasing to 5 to 9 mph in the morning.

Thursday Night

Partly cloudy, with a low around 55. East southeast wind around 6 mph.

Friday

Partly sunny, with a high near 81. South wind 5 to 9 mph.

Friday Night

Mostly clear, with a low around 62. South wind around 7 mph.

Saturday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 77. South wind 10 to 14 mph, with gusts as high as 21 mph.

Saturday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. Southwest wind 7 to 9 mph.

Sunday

A chance of showers, mainly before 1pm. Sunny, with a high near 69. West northwest wind 10 to 14 mph, with gusts as high as 20 mph.

Sunday Night

Mostly clear, with a low around 44. West southwest wind 3 to 7 mph.

Monday

Sunny, with a high near 72. Southwest wind 5 to 11 mph.

Monday Night

Mostly clear, with a low around 51. South wind around 7 mph.

Tuesday

A slight chance of showers. Sunny, with a high near 73. South wind 9 to 15 mph, with gusts as high as 21 mph.