Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Light Rain

44°F

7°C

Humidity 97%
Wind Speed NE 7 mph
Barometer 29.83 in
Dewpoint 43°F (6°C)
Visibility 5.00 mi
Wind Chill40°F (4°C)
Last update 15 Feb 3:35 am CST
Extended Forecast for

2 Miles SW Marion IL

  • Overnight

    Overnight: Rain.  Low around 45. Northeast wind around 6 mph.  Chance of precipitation is 90%.

    Low: 45 °F

    Rain

  • Sunday

    Sunday: Rain, mainly before 8am.  High near 55. North northeast wind 6 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 80%.

    High: 55 °F

    Rain then
    Partly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after midnight.  Otherwise, mostly clear, with a low around 36. North wind around 6 mph becoming calm  in the evening.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Fog

  • Washington's Birthday

    Washington's Birthday: Areas of fog before 9am.  Otherwise, mostly sunny, with a high near 63. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 63 °F

    Areas Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 43. South wind 3 to 6 mph.

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 65. South wind 6 to 16 mph, with gusts as high as 25 mph.

    High: 65 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 59. Breezy, with a south southwest wind 16 to 20 mph, with gusts as high as 32 mph.

    Low: 59 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. West southwest wind 9 to 17 mph, with gusts as high as 30 mph.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 49. Southwest wind 3 to 7 mph.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain. Low around 45. Northeast wind around 6 mph. Chance of precipitation is 90%.
Sunday
Rain, mainly before 8am. High near 55. North northeast wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Sunday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 36. North wind around 6 mph becoming calm in the evening.
Washington's Birthday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 63. Calm wind becoming south 5 to 8 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 43. South wind 3 to 6 mph.
Tuesday
Mostly cloudy, with a high near 65. South wind 6 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 59. Breezy, with a south southwest wind 16 to 20 mph, with gusts as high as 32 mph.
Wednesday
Mostly sunny, with a high near 73. West southwest wind 9 to 17 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 49. Southwest wind 3 to 7 mph.
Thursday
A chance of showers, mainly after noon. Mostly sunny, with a high near 73. South southwest wind 5 to 14 mph, with gusts as high as 24 mph.
Thursday Night
A chance of showers. Partly cloudy, with a low around 46. South southwest wind 7 to 11 mph becoming west after midnight. Winds could gust as high as 20 mph.
Friday
A slight chance of showers. Mostly sunny, with a high near 58. West northwest wind 7 to 11 mph, with gusts as high as 20 mph.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 33. Northwest wind around 7 mph.
Saturday
Mostly sunny, with a high near 52. Northwest wind 6 to 8 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Marion IL
 37.71°N 88.98°W
3:21 am CST Feb 15, 2026
3am CST Feb 15, 2026-6pm CST Feb 21, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database