Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

19°F

-7°C

Humidity 68%
Wind Speed NW 6 mph
Barometer 30.13 in (1020.9 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 15 Jan 7:52 am CST
Extended Forecast for

3 Miles NE Jacob IL

  • Today

    Today: Sunny, with a high near 35. Northwest wind around 7 mph becoming south in the afternoon.

    High: 35 °F

    Sunny

  • Tonight

    Tonight: A slight chance of snow showers between 11pm and midnight.  Mostly cloudy, with a steady temperature around 32. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 20%.

    Low: 32 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 46. West wind 9 to 11 mph, with gusts as high as 18 mph.

    High: 46 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A slight chance of rain showers before midnight, then a chance of rain and snow showers between midnight and 3am, then a chance of snow showers after 3am.  Mostly cloudy, with a low around 23. West wind 7 to 9 mph.  Chance of precipitation is 30%.

    Low: 23 °F

    Slight Chance
    Showers then
    Chance
    Rain/Snow

  • Saturday

    Saturday: Partly sunny, with a high near 30. West northwest wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 30 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 12. Northwest wind 6 to 9 mph.

    Low: 12 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 27. West northwest wind 6 to 10 mph becoming southwest in the afternoon.

    High: 27 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 16. South southwest wind around 8 mph becoming west northwest after midnight.

    Low: 16 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 29. Northwest wind 8 to 14 mph, with gusts as high as 20 mph.

    High: 29 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 35. Northwest wind around 7 mph becoming south in the afternoon.
Tonight
A slight chance of snow showers between 11pm and midnight. Mostly cloudy, with a steady temperature around 32. South southwest wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Friday
Mostly cloudy, with a high near 46. West wind 9 to 11 mph, with gusts as high as 18 mph.
Friday Night
A slight chance of rain showers before midnight, then a chance of rain and snow showers between midnight and 3am, then a chance of snow showers after 3am. Mostly cloudy, with a low around 23. West wind 7 to 9 mph. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 30. West northwest wind 10 to 14 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 12. Northwest wind 6 to 9 mph.
Sunday
Sunny, with a high near 27. West northwest wind 6 to 10 mph becoming southwest in the afternoon.
Sunday Night
Mostly clear, with a low around 16. South southwest wind around 8 mph becoming west northwest after midnight.
M.L.King Day
Mostly sunny, with a high near 29. Northwest wind 8 to 14 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 11. North northwest wind 5 to 7 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 32. Light west wind increasing to 5 to 10 mph in the morning.
Tuesday Night
Mostly clear, with a low around 20. South wind around 9 mph.
Wednesday
Mostly sunny, with a high near 44. South southwest wind 8 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Jacob IL
 37.78°N 89.51°W
6:41 am CST Jan 15, 2026
8am CST Jan 15, 2026-6pm CST Jan 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database