Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
33°F
1°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 30.06 in (1018.3 mb) |
| Dewpoint | 33°F (1°C) |
| Visibility | 8.00 mi |
| Last update | 16 Feb 12:52 am CST |
Extended Forecast for
3 Miles NE Jacob IL
Dense Fog Advisory February 16, 02:38am until February 16, 09:00am
NOW until 9:00am Mon
Dense Fog Advisory
Overnight
Low: 37 °F
Areas Dense
FogWashington's Birthday
High: 63 °F
Areas Dense
Fog then
Mostly SunnyMonday Night
Low: 43 °F
Partly Cloudy
Tuesday
High: 64 °F
Mostly Cloudy
Tuesday Night
Low: 57 °F
Mostly Cloudy
and BreezyWednesday
High: 73 °F
Mostly Sunny
Wednesday Night
Low: 48 °F
Mostly Clear
then Slight
Chance
ShowersThursday
High: 72 °F
Slight Chance
Showers then
Chance
T-storms
Detailed Forecast
Overnight
Areas of dense fog. Otherwise, partly cloudy, with a steady temperature around 37. Calm wind.
Washington's Birthday
Areas of dense fog before 9am. Otherwise, mostly sunny, with a high near 63. Light south wind increasing to 6 to 11 mph in the morning.
Monday Night
Partly cloudy, with a low around 43. South wind 6 to 8 mph.
Tuesday
Mostly cloudy, with a high near 64. South wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.
Tuesday Night
Mostly cloudy, with a low around 57. Breezy, with a south wind 17 to 22 mph, with gusts as high as 33 mph.
Wednesday
Mostly sunny, with a high near 73. South southwest wind 9 to 16 mph, with gusts as high as 26 mph.
Wednesday Night
A 20 percent chance of showers after midnight. Mostly clear, with a low around 48. South southwest wind 6 to 8 mph.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72. South wind 6 to 15 mph, with gusts as high as 24 mph.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 41. South southwest wind 8 to 11 mph becoming west after midnight. Winds could gust as high as 18 mph.
Friday
A slight chance of showers after noon. Mostly sunny, with a high near 55. West northwest wind 7 to 11 mph.
Friday Night
A chance of showers. Partly cloudy, with a low around 33. North northwest wind around 6 mph.
Saturday
A slight chance of showers. Mostly sunny, with a high near 51. North northwest wind 5 to 8 mph.
Saturday Night
A chance of showers. Partly cloudy, with a low around 30. Northwest wind around 7 mph.
Sunday
A slight chance of showers. Mostly sunny, with a high near 44. Northwest wind 7 to 13 mph, with gusts as high as 21 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles NE Jacob IL
37.78°N 89.51°W
37.78°N 89.51°W
2:06 am CST Feb 16, 2026
2am CST Feb 16, 2026-6pm CST Feb 22, 2026
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