Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

50°F

10°C

Humidity 93%
Wind Speed Calm
Barometer 30.20 in (1022.7 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 4 Oct 7:54 am CDT
Extended Forecast for

Dalton City IL

  • Today

    Today: Sunny, with a high near 79. Calm wind becoming north northwest 5 to 9 mph in the morning.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 46. North wind around 7 mph.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 73. Northeast wind 5 to 7 mph.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 44. East southeast wind 3 to 5 mph.

    Low: 44 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. South southwest wind 5 to 9 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 52. South southwest wind around 6 mph.

    Low: 52 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81. West northwest wind 6 to 10 mph.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 79. Calm wind becoming north northwest 5 to 9 mph in the morning.
Tonight
Mostly clear, with a low around 46. North wind around 7 mph.
Monday
Sunny, with a high near 73. Northeast wind 5 to 7 mph.
Monday Night
Clear, with a low around 44. East southeast wind 3 to 5 mph.
Tuesday
Sunny, with a high near 77. South southwest wind 5 to 9 mph.
Tuesday Night
Clear, with a low around 52. South southwest wind around 6 mph.
Wednesday
Sunny, with a high near 81. West northwest wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Dalton City IL
 39.73°N 88.8°W (Elev. 689 ft)
7:35 am CDT Oct 4, 2026
8am CDT Oct 4, 2026-6pm CDT Oct 10, 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