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 Chill | 40°F (4°C) |
| Last update | 15 Feb 3:35 am CST |
Extended Forecast for
2 Miles SW Marion IL
Overnight

Low: 45 °F
Rain
Sunday
High: 55 °F
Rain then
Partly SunnySunday Night
Low: 36 °F
Mostly Clear
then Patchy
FogWashington's Birthday
High: 63 °F
Areas Fog
then Mostly
SunnyMonday Night

Low: 43 °F
Mostly Cloudy
Tuesday

High: 65 °F
Mostly Cloudy
Tuesday Night
Low: 59 °F
Mostly Cloudy
then Mostly
Cloudy and
BreezyWednesday

High: 73 °F
Mostly Sunny
Wednesday Night

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.
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ABOUT THIS FORECAST
Point Forecast:
2 Miles SW Marion IL
37.71°N 88.98°W
37.71°N 88.98°W
3:21 am CST Feb 15, 2026
3am CST Feb 15, 2026-6pm CST Feb 21, 2026


