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

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fog/Mist

58°F

14°C

Humidity 100%
Wind Speed Calm
Barometer 30.05 in (1017.3 mb)
Dewpoint 58°F (14°C)
Visibility 5.00 mi
Last update 28 Sep 2:52 am CDT
Extended Forecast for

Tamaroa IL

  • Overnight

    Overnight: Clear, with a low around 58. Calm wind.

    Low: 58 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 88. Calm wind becoming east southeast around 6 mph in the afternoon.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 58. Light and variable wind.

    Low: 58 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 89. Calm wind becoming east northeast 5 to 9 mph in the morning.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 60. East northeast wind around 6 mph becoming calm in the evening.

    Low: 60 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. Light north northeast wind becoming northeast 5 to 9 mph in the morning.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. Northeast wind 3 to 6 mph.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. East northeast wind 3 to 8 mph.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. East wind 3 to 7 mph.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 58. Calm wind.
Sunday
Sunny, with a high near 88. Calm wind becoming east southeast around 6 mph in the afternoon.
Sunday Night
Clear, with a low around 58. Light and variable wind.
Monday
Sunny, with a high near 89. Calm wind becoming east northeast 5 to 9 mph in the morning.
Monday Night
Clear, with a low around 60. East northeast wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 88. Light north northeast wind becoming northeast 5 to 9 mph in the morning.
Tuesday Night
Mostly clear, with a low around 60. Northeast wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 86. East northeast wind 3 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 58. East wind 3 to 7 mph.
Thursday
Sunny, with a high near 84. East wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around 56. East wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 85. Calm wind becoming south southeast around 6 mph in the morning.
Friday Night
Clear, with a low around 56. Southeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 83. South wind 3 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tamaroa IL
 38.14°N 89.24°W
Last Update:
1:30 am CDT Sep 28, 2025
Forecast Valid:
3am CDT Sep 28, 2025-6pm CDT Oct 4, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation