National Weather Service

News Headlines

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Partly Cloudy

32°F

0°C

Humidity	44%
Wind Speed	NE 12 mph
Barometer	30.23 in
Dewpoint	12°F (-11°C)
Visibility	10.00 mi
Wind Chill	23°F (-5°C)
Last update	29 Jan 3:45 pm CST

More Information:

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

Extended Forecast for

2 Miles ENE Herrin IL

Cold Weather Advisory January 31, 12:00am until January 31, 12:00pm

Click here for hazard details and duration

Cold Weather Advisory

This Afternoon
High: 30 °F
Mostly Sunny
Tonight
Low: 11 °F
Mostly Cloudy
then Slight
Chance Snow
Friday
High: 21 °F
Partly Sunny
Friday Night
Low: 6 °F
Mostly Cloudy
Saturday
High: 19 °F
Partly Sunny
Saturday Night
Low: 2 °F
Mostly Clear
Sunday
High: 28 °F
Mostly Sunny
Sunday Night
Low: 18 °F
Mostly Cloudy
Monday
High: 36 °F
Partly Sunny

Detailed Forecast

This Afternoon

Mostly sunny, with a steady temperature around 30. North northeast wind around 6 mph.

Tonight

A chance of flurries with a slight chance of snow before 1am, then a chance of flurries between 1am and 3am. Mostly cloudy, with a low around 11. North northeast wind around 6 mph. Chance of precipitation is 20%.

Friday

Partly sunny, with a high near 21. North wind 6 to 13 mph.

Friday Night

Mostly cloudy, with a low around 6. Wind chill values as low as -8. North northwest wind 8 to 10 mph, with gusts as high as 18 mph.

Saturday

Partly sunny, with a high near 19. Northwest wind 9 to 14 mph, with gusts as high as 20 mph.

Saturday Night

Mostly clear, with a low around 2. Northwest wind 5 to 8 mph becoming calm in the evening.

Sunday

Mostly sunny, with a high near 28. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

Sunday Night

Mostly cloudy, with a low around 18. South southwest wind around 5 mph.