National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

50°F

10°C

Humidity 93%
Wind Speed S 10 mph
Barometer 29.93 in (1013.5 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 9 Mar 4:52 am CDT
Extended Forecast for

5 Miles N Jacob IL

  • Today

    Today: Mostly sunny, with a high near 71. South southwest wind 9 to 15 mph, with gusts as high as 25 mph.

    High: 71 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 61. South southwest wind 10 to 15 mph, with gusts as high as 23 mph.

    Low: 61 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Patchy fog between 8am and 10am. Otherwise, partly sunny, with a high near 77. South southwest wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 77 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 62. South southwest wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    Low: 62 °F

    Chance
    T-storms then
    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 68. South southwest wind 15 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%.

    High: 68 °F

    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34. Breezy, with a north northwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

    Low: 34 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 53. North northwest wind around 7 mph becoming south in the afternoon.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 43. South southwest wind 7 to 16 mph, with gusts as high as 24 mph.

    Low: 43 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 65. South southwest wind 9 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 65 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 71. South southwest wind 9 to 15 mph, with gusts as high as 25 mph.
Tonight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 61. South southwest wind 10 to 15 mph, with gusts as high as 23 mph.
Tuesday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Patchy fog between 8am and 10am. Otherwise, partly sunny, with a high near 77. South southwest wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 62. South southwest wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. High near 68. South southwest wind 15 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%.
Wednesday Night
Mostly cloudy, with a low around 34. Breezy, with a north northwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.
Thursday
Sunny, with a high near 53. North northwest wind around 7 mph becoming south in the afternoon.
Thursday Night
Mostly cloudy, with a low around 43. South southwest wind 7 to 16 mph, with gusts as high as 24 mph.
Friday
Partly sunny, with a high near 65. South southwest wind 9 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.
Friday Night
Partly cloudy, with a low around 40. North northwest wind around 7 mph becoming east after midnight.
Saturday
Sunny, with a high near 66. East southeast wind 7 to 11 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 51. South wind 10 to 14 mph, with gusts as high as 22 mph.
Sunday
A chance of showers. Partly sunny, with a high near 68. South southwest wind 14 to 17 mph, with gusts as high as 28 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Jacob IL
 37.82°N 89.56°W
Last Update:
1:26 am CDT Mar 9, 2026
Forecast Valid:
4am CDT Mar 9, 2026-6pm CDT Mar 15, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation