Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Light Rain
44°F
7°C
| Humidity | 96% |
| 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 4:35 am CST |
Extended Forecast for
Energy IL
Overnight

Low: 45 °F
Rain
Sunday
High: 55 °F
Rain then
Partly SunnySunday Night
Low: 35 °F
Mostly Clear
then Patchy
FogWashington's Birthday
High: 63 °F
Areas Fog
then Mostly
SunnyMonday Night

Low: 42 °F
Mostly Cloudy
Tuesday

High: 66 °F
Mostly Cloudy
Tuesday Night

Low: 56 °F
Mostly Cloudy
and BreezyWednesday

High: 73 °F
Mostly Sunny
Wednesday Night

Low: 48 °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 7 to 15 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 35. 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. Light south southwest wind becoming south 6 to 11 mph in the morning.
Monday Night
Mostly cloudy, with a low around 42. South wind 5 to 7 mph.
Tuesday
Mostly cloudy, with a high near 66. South wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 56. Breezy, with a south southwest wind 18 to 21 mph, with gusts as high as 32 mph.
Wednesday
Mostly sunny, with a high near 73. West southwest wind 11 to 18 mph, with gusts as high as 29 mph.
Wednesday Night
Partly cloudy, with a low around 48. Southwest wind 5 to 10 mph.
Thursday
A chance of showers, mainly after noon. Mostly sunny, with a high near 71. South southwest wind 6 to 16 mph, with gusts as high as 24 mph.
Thursday Night
A chance of showers. Partly cloudy, with a low around 44. South southwest wind 9 to 14 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 56. West wind 9 to 13 mph, with gusts as high as 20 mph.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 32. Northwest wind 6 to 9 mph.
Saturday
Mostly sunny, with a high near 50. Northwest wind 6 to 10 mph.
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ABOUT THIS FORECAST
Point Forecast:
Energy IL
37.76°N 89°W
37.76°N 89°W
3:21 am CST Feb 15, 2026
4am CST Feb 15, 2026-6pm CST Feb 21, 2026


