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.

A Few Clouds

16°F

-9°C

Humidity 96%
Wind Speed SW 3 mph
Barometer 30.48 in (1033.4 mb)
Dewpoint 15°F (-9°C)
Visibility 8.00 mi
Last update 1 Dec 12:54 am CST
Extended Forecast for

3 Miles WNW Cisco IL

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 13. Light and variable wind.

    Low: 13 °F

    Patchy Fog

  • Monday

    Monday: Snow, mainly after noon. High near 28. Light and variable wind becoming southeast 5 to 7 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 28 °F

    Cloudy then
    Snow

  • Monday Night

    Monday Night: Snow, mainly before midnight. Low around 16. Calm wind becoming west northwest 5 to 8 mph in the evening. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 16 °F

    Snow then
    Slight Chance
    Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 25. Northwest wind around 7 mph becoming southwest in the afternoon.

    High: 25 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 15. South wind 6 to 11 mph, with gusts as high as 16 mph.

    Low: 15 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 33. South southwest wind 9 to 14 mph, with gusts as high as 18 mph.

    High: 33 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 6. Northwest wind 9 to 13 mph, with gusts as high as 17 mph.

    Low: 6 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 14.

    High: 14 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -1.

    Low: -1 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 13. Light and variable wind.
Monday
Snow, mainly after noon. High near 28. Light and variable wind becoming southeast 5 to 7 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Monday Night
Snow, mainly before midnight. Low around 16. Calm wind becoming west northwest 5 to 8 mph in the evening. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Tuesday
Partly sunny, with a high near 25. Northwest wind around 7 mph becoming southwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 15. South wind 6 to 11 mph, with gusts as high as 16 mph.
Wednesday
Partly sunny, with a high near 33. South southwest wind 9 to 14 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly cloudy, with a low around 6. Northwest wind 9 to 13 mph, with gusts as high as 17 mph.
Thursday
Mostly sunny, with a high near 14.
Thursday Night
Mostly cloudy, with a low around -1.
Friday
A 40 percent chance of snow after noon. Mostly cloudy, with a high near 26.
Friday Night
A chance of snow. Mostly cloudy, with a low around 18.
Saturday
Mostly cloudy, with a high near 31.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
Mostly cloudy, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Cisco IL
 40.03°N 88.79°W (Elev. 676 ft)
Last Update:
12:51 am CST Dec 1, 2025
Forecast Valid:
1am CST Dec 1, 2025-6pm CST Dec 7, 2025
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation