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

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

19°F

-7°C

Humidity 71%
Wind Speed SW 7 mph
Barometer 30.23 in (1024.6 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 24 Feb 1:54 am CST
Extended Forecast for

3 Miles NNE Dalton City IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 19. South southwest wind 6 to 9 mph, with gusts as high as 17 mph.

    Low: 19 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 45. Breezy, with a south wind 11 to 16 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 45 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30. South southwest wind 9 to 17 mph becoming west northwest after midnight. Winds could gust as high as 26 mph.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45. West northwest wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 45 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Rain and snow likely, becoming all snow after 3am. Mostly cloudy, with a low around 29. North northwest wind 7 to 11 mph becoming east northeast after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of snow before 9am, then a chance of rain between 9am and noon. Mostly cloudy, then gradually becoming sunny, with a high near 44. East northeast wind 9 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 30%.

    High: 44 °F

    Chance
    Rain/Snow
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 27. North northwest wind 5 to 8 mph becoming light and variable.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 19. South southwest wind 6 to 9 mph, with gusts as high as 17 mph.
Tuesday
Mostly cloudy, with a high near 45. Breezy, with a south wind 11 to 16 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 38 mph.
Tuesday Night
Mostly cloudy, with a low around 30. South southwest wind 9 to 17 mph becoming west northwest after midnight. Winds could gust as high as 26 mph.
Wednesday
Mostly sunny, with a high near 45. West northwest wind 8 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Rain and snow likely, becoming all snow after 3am. Mostly cloudy, with a low around 29. North northwest wind 7 to 11 mph becoming east northeast after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday
A chance of snow before 9am, then a chance of rain between 9am and noon. Mostly cloudy, then gradually becoming sunny, with a high near 44. East northeast wind 9 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 27. North northwest wind 5 to 8 mph becoming light and variable.
Friday
Sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 34.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
A chance of rain and snow. Partly sunny, with a high near 40.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 25.
Monday
A chance of rain and snow. Partly sunny, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Dalton City IL
 39.75°N 88.77°W (Elev. 712 ft)
Last Update:
1:26 am CST Feb 24, 2026
Forecast Valid:
2am CST Feb 24, 2026-6pm CST Mar 2, 2026
 
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Additional Resources

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Chance of Precipitation