Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fog/Mist
48°F
9°C
| Humidity | 100% |
| Wind Speed | E 5 mph |
| Barometer | 29.98 in (1015.1 mb) |
| Dewpoint | 48°F (9°C) |
| Visibility | 0.75 mi |
| Wind Chill | 46°F (8°C) |
| Last update | 27 Dec 6:52 am CST |
Extended Forecast for
Dowell IL
Dense Fog Advisory until December 27, 09:00am
NOW until 9:00am Sat
Dense Fog Advisory
Today
High: 66 °F
Patchy Dense
Fog then
Mostly CloudyTonight

Low: 61 °F⇑
Cloudy
Sunday
High: 72 °F
Breezy.
Mostly Cloudy
then ShowersSunday Night
Low: 22 °F
Showers and
Breezy then
Slight Chance
Showers and
BlusteryMonday

High: 29 °F
Mostly Sunny
and BlusteryMonday Night

Low: 19 °F
Partly Cloudy
Tuesday

High: 34 °F
Sunny
Tuesday Night

Low: 25 °F
Mostly Clear
Detailed Forecast
Today
Patchy dense fog before 9am. Otherwise, mostly cloudy, with a high near 66. Light and variable wind becoming southeast 5 to 9 mph in the morning.
Tonight
Cloudy, with a temperature falling to near 61 by 8pm, then rising to around 66 during the remainder of the night. South southwest wind 9 to 13 mph, with gusts as high as 20 mph.
Sunday
Showers, mainly after 4pm. High near 72. Breezy, with a south southwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%.
Sunday Night
Showers, mainly before 9pm. Low around 22. Breezy, with a southwest wind 23 to 25 mph becoming west northwest in the evening. Winds could gust as high as 36 mph. Chance of precipitation is 90%.
Monday
Mostly sunny, with a high near 29. Blustery, with a west northwest wind 18 to 23 mph, with gusts as high as 34 mph.
Monday Night
Partly cloudy, with a low around 19. Northwest wind 10 to 17 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 34. Northwest wind 6 to 10 mph becoming west southwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 25. Southwest wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 44. West wind 7 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 26. West southwest wind 6 to 8 mph becoming northwest after midnight.
New Year's Day
Mostly sunny, with a high near 37. North northwest wind 7 to 10 mph.
Thursday Night
Partly cloudy, with a low around 17. North northwest wind 3 to 6 mph.
Friday
Partly sunny, with a high near 34. North northwest wind 5 to 7 mph becoming northeast in the afternoon.
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ABOUT THIS FORECAST
Point Forecast:
Dowell IL
37.95°N 89.25°W
37.95°N 89.25°W
7:11 am CST Dec 27, 2025
7am CST Dec 27, 2025-6pm CST Jan 2, 2026



