Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Overcast

15°F

-9°C

Humidity 67%
Wind Speed N 9 mph
Barometer 30.40 in (1030.9 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 30 Jan 5:54 pm CST
Extended Forecast for

Forsyth IL

  • Tonight

    Tonight: A slight chance of snow before 9pm, then a chance of flurries between 9pm and midnight.  Mostly cloudy, then gradually becoming mostly clear, with a low around 2. Wind chill values between -5 and -15. North wind 8 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    Low: 2 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 20. Wind chill values between -4 and -14. Northwest wind 9 to 15 mph, with gusts as high as 21 mph.

    High: 20 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 0. Wind chill values between -5 and -10. Northwest wind 5 to 8 mph becoming west southwest after midnight.

    Low: 0 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 23. Wind chill values between -9 and 1. South southwest wind 5 to 11 mph, with gusts as high as 15 mph.

    High: 23 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before midnight.  Mostly cloudy, with a low around 15. South wind 7 to 9 mph.

    Low: 15 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 31. West wind 6 to 10 mph.

    High: 31 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 18. West wind around 6 mph becoming east after midnight.

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of snow.  Cloudy, with a high near 31.

    High: 31 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of snow before 9pm, then a chance of flurries between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 2. Wind chill values between -5 and -15. North wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 20. Wind chill values between -4 and -14. Northwest wind 9 to 15 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 0. Wind chill values between -5 and -10. Northwest wind 5 to 8 mph becoming west southwest after midnight.
Sunday
Partly sunny, with a high near 23. Wind chill values between -9 and 1. South southwest wind 5 to 11 mph, with gusts as high as 15 mph.
Sunday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 15. South wind 7 to 9 mph.
Monday
Partly sunny, with a high near 31. West wind 6 to 10 mph.
Monday Night
Mostly cloudy, with a low around 18. West wind around 6 mph becoming east after midnight.
Tuesday
A 40 percent chance of snow. Cloudy, with a high near 31.
Tuesday Night
Mostly cloudy, with a low around 17.
Wednesday
Mostly cloudy, with a high near 26.
Wednesday Night
Mostly cloudy, with a low around 9.
Thursday
Partly sunny, with a high near 29.
Thursday Night
Mostly cloudy, with a low around 22.
Friday
Partly sunny, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
Forsyth IL
 39.93°N 88.96°W (Elev. 650 ft)
3:16 pm CST Jan 30, 2026
6pm CST Jan 30, 2026-6pm CST Feb 6, 2026
 
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Additional Resources

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