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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

62°F

17°C

Humidity 78%
Wind Speed SW 20 mph
Barometer 29.74 in (1006.9 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 7 Nov 2:52 am CST
Extended Forecast for

Jacob IL

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 57. South southwest wind around 11 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 73. South southwest wind 7 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 73 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 44. West wind around 5 mph becoming calm in the evening.

    Low: 44 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 69. Calm wind becoming south southwest 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers before midnight. Mostly cloudy, with a low around 38. South wind 6 to 11 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.

    Low: 38 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 44. North northwest wind 13 to 18 mph, with gusts as high as 25 mph.

    High: 44 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of rain and snow showers before 9pm, then a slight chance of snow showers between 9pm and midnight. Partly cloudy, with a low around 24. North northwest wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 43. Northwest wind 8 to 17 mph, with gusts as high as 23 mph.

    High: 43 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 24. West northwest wind around 6 mph becoming light and variable.

    Low: 24 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 57. South southwest wind around 11 mph, with gusts as high as 20 mph.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 73. South southwest wind 7 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.
Friday Night
Increasing clouds, with a low around 44. West wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 69. Calm wind becoming south southwest 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
A 40 percent chance of showers before midnight. Mostly cloudy, with a low around 38. South wind 6 to 11 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.
Sunday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 44. North northwest wind 13 to 18 mph, with gusts as high as 25 mph.
Sunday Night
A slight chance of rain and snow showers before 9pm, then a slight chance of snow showers between 9pm and midnight. Partly cloudy, with a low around 24. North northwest wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Monday
Sunny, with a high near 43. Northwest wind 8 to 17 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 24. West northwest wind around 6 mph becoming light and variable.
Veterans Day
Mostly sunny, with a high near 52. South southwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 39. Southwest wind 7 to 15 mph, with gusts as high as 22 mph.
Wednesday
Sunny, with a high near 65. West southwest wind 7 to 10 mph.
Wednesday Night
Mostly clear, with a low around 37. West southwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 62. Light and variable wind becoming west northwest 5 to 7 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jacob IL
 37.75°N 89.54°W
Last Update:
3:16 am CST Nov 7, 2025
Forecast Valid:
3am CST Nov 7, 2025-6pm CST Nov 13, 2025
 
Forecast Discussion
 
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Additional Resources

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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