Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Mostly Cloudy

36°F

2°C

Humidity 62%
Wind Speed NW 7 mph
Barometer 30.25 in (1024.6 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 21 Feb 6:52 pm CST
Extended Forecast for

5 Miles NNW Vergennes IL

  • Tonight

    Tonight: Mostly clear, with a low around 23. Northwest wind 5 to 14 mph, with gusts as high as 24 mph.

    Low: 23 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 33. Breezy, with a northwest wind 14 to 21 mph, with gusts as high as 31 mph.

    High: 33 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 17. North northwest wind around 15 mph, with gusts as high as 24 mph.

    Low: 17 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 33. North northwest wind 7 to 14 mph, with gusts as high as 22 mph.

    High: 33 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 18. Northwest wind around 5 mph becoming calm.

    Low: 18 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 50. South southwest wind 6 to 16 mph, with gusts as high as 24 mph.

    High: 50 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42. South southwest wind 9 to 14 mph, with gusts as high as 23 mph.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 59. Southwest wind 9 to 11 mph, with gusts as high as 18 mph.

    High: 59 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly after midnight.  Mostly cloudy, with a low around 37. Southwest wind around 9 mph becoming north in the evening.

    Low: 37 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 23. Northwest wind 5 to 14 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 33. Breezy, with a northwest wind 14 to 21 mph, with gusts as high as 31 mph.
Sunday Night
Partly cloudy, with a low around 17. North northwest wind around 15 mph, with gusts as high as 24 mph.
Monday
Sunny, with a high near 33. North northwest wind 7 to 14 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 18. Northwest wind around 5 mph becoming calm.
Tuesday
Partly sunny, with a high near 50. South southwest wind 6 to 16 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly cloudy, with a low around 42. South southwest wind 9 to 14 mph, with gusts as high as 23 mph.
Wednesday
Partly sunny, with a high near 59. Southwest wind 9 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
A chance of showers, mainly after midnight. Mostly cloudy, with a low around 37. Southwest wind around 9 mph becoming north in the evening.
Thursday
A chance of showers. Mostly sunny, with a high near 52. Northwest wind 8 to 10 mph.
Thursday Night
Mostly clear, with a low around 29. Northwest wind 5 to 7 mph becoming south southwest after midnight.
Friday
Sunny, with a high near 57. South southwest wind 6 to 10 mph.
Friday Night
Mostly clear, with a low around 38. South southwest wind around 7 mph.
Saturday
Mostly sunny, with a high near 61. South southwest wind 7 to 11 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Vergennes IL
 37.97°N 89.36°W
6:26 pm CST Feb 21, 2026
7pm CST Feb 21, 2026-6pm CST Feb 28, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database