National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Strong Cold Front Crossing Great Lakes and Northeast U.S.; Elevated Fire Weather in Southern California

A strong cold front will bring brisk to high winds across portions of the Great Lakes and the Northeast this weekend. Cold air arriving behind the front will trigger lake-effect snow downwind of the Great Lakes and accumulating snow over the higher terrain of the Northeast. Gusty offshore winds will maintain elevated fire weather conditions this weekend across coastal southern California. Read More >

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

51°F

11°C

Humidity 70%
Wind Speed S 5 mph
Barometer 30.10 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 31 Oct 7:15 pm CDT
Extended Forecast for

Marion IL

Freeze Watch November 2, 12:00am until November 2, 08:00am
Click here for hazard details and duration
Freeze Watch

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 42. South wind 8 to 10 mph becoming west after midnight.

    Decreasing
    Clouds

    Low: 42 °F

  • Sunday

    Sunday: Sunny, with a high near 50. Breezy, with a northwest wind 14 to 20 mph, with gusts as high as 30 mph.

    Sunny and
    Breezy

    High: 50 °F

  • Sunday
    Night

    Sunday Night: Widespread frost after 2am. Otherwise, clear, with a low around 29. Northwest wind 5 to 9 mph becoming light after midnight.

    Clear then
    Frost

    Low: 29 °F

  • Monday

    Monday: Widespread frost before 9am. Otherwise, sunny, with a high near 53. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    Frost then
    Sunny

    High: 53 °F

  • Monday
    Night

    Monday Night: Areas of frost after 5am. Otherwise, clear, with a low around 36. Southwest wind 3 to 6 mph.

    Clear then
    Areas Frost

    Low: 36 °F

  • Tuesday

    Tuesday: Areas of frost before 7am. Otherwise, sunny, with a high near 62. Southwest wind 3 to 8 mph.

    Areas Frost
    then Sunny

    High: 62 °F

  • Tuesday
    Night

    Tuesday Night: Clear, with a low around 42. South wind around 5 mph.

    Clear

    Low: 42 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65. South wind 7 to 11 mph.

    Mostly Sunny

    High: 65 °F

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around 46. South wind 6 to 8 mph.

    Mostly Cloudy

    Low: 46 °F

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 42. South wind 8 to 10 mph becoming west after midnight.
Sunday
Sunny, with a high near 50. Breezy, with a northwest wind 14 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Widespread frost after 2am. Otherwise, clear, with a low around 29. Northwest wind 5 to 9 mph becoming light after midnight.
Monday
Widespread frost before 9am. Otherwise, sunny, with a high near 53. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Monday Night
Areas of frost after 5am. Otherwise, clear, with a low around 36. Southwest wind 3 to 6 mph.
Tuesday
Areas of frost before 7am. Otherwise, sunny, with a high near 62. Southwest wind 3 to 8 mph.
Tuesday Night
Clear, with a low around 42. South wind around 5 mph.
Wednesday
Mostly sunny, with a high near 65. South wind 7 to 11 mph.
Wednesday Night
Mostly cloudy, with a low around 46. South wind 6 to 8 mph.
Thursday
Mostly sunny, with a high near 67. South southwest wind 7 to 11 mph.
Thursday Night
Mostly clear, with a low around 47. South southwest wind 3 to 6 mph.
Friday
Sunny, with a high near 68. South southwest wind 5 to 7 mph.
Friday Night
Mostly clear, with a low around 47. Calm wind.
Saturday
Mostly sunny, with a high near 68. South wind 3 to 8 mph.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Marion IL
 37.73°N 88.92°W
Last Update:
7:15 pm CDT Oct 31, 2020
Forecast Valid:
7pm CDT Oct 31, 2020-6pm CST Nov 7, 2020
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation