Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Light Rain Fog/Mist
60°F
16°C
| Humidity | 96% |
| Wind Speed | SW 5 mph |
| Barometer | 30.00 in (1015.5 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 4.00 mi |
| Last update | 5 Mar 12:52 am CST |
Extended Forecast for
2 Miles S Jacob IL
Flood Watch until March 5, 12:00pm
NOW until 12:00pm Thu

Flood Watch
Overnight

Low: 59 °F
Showers and
Patchy FogThursday
High: 72 °F
Showers and
Patchy Fog
then Chance
T-stormsThursday Night

Low: 58 °F
Chance
T-storms and
Patchy FogFriday
High: 77 °F
Partly Sunny
then Slight
Chance
ShowersFriday Night
Low: 61 °F
Slight Chance
T-storms then
Showers
LikelySaturday
High: 72 °F
Showers
Likely then
Chance
ShowersSaturday Night

Low: 41 °F
Partly Cloudy
Sunday

High: 64 °F
Sunny
Detailed Forecast
Overnight
Showers and possibly a thunderstorm. Patchy fog. Low around 59. South wind 5 to 9 mph. Chance of precipitation is 90%.
Thursday
Showers and thunderstorms, mainly before 3pm. Patchy fog before 10am. High near 72. South southeast wind 6 to 10 mph becoming west southwest in the afternoon. Chance of precipitation is 80%.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 58. South wind 5 to 7 mph.
Friday
A 20 percent chance of showers after noon. Partly sunny, with a high near 77. South wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.
Friday Night
A slight chance of showers before 9pm, then a slight chance of showers and thunderstorms between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 61. South wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 72. South southwest wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Saturday Night
Partly cloudy, with a low around 41. Northwest wind 5 to 8 mph becoming calm after midnight.
Sunday
Sunny, with a high near 64. Calm wind becoming west southwest around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 46. South southwest wind around 5 mph.
Monday
Sunny, with a high near 74. South southwest wind 6 to 15 mph, with gusts as high as 21 mph.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 60. South southwest wind around 10 mph, with gusts as high as 18 mph.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. South southwest wind 10 to 18 mph, with gusts as high as 26 mph.
Tuesday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 54. South southwest wind around 16 mph, with gusts as high as 28 mph.
Wednesday
Showers. Mostly cloudy, with a high near 64. Southwest wind 15 to 18 mph becoming north northwest in the afternoon. Winds could gust as high as 26 mph.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
2 Miles S Jacob IL
37.73°N 89.54°W
37.73°N 89.54°W
1:01 am CST Mar 5, 2026
1am CST Mar 5, 2026-6pm CDT Mar 11, 2026



