Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

16°F

-9°C

Humidity 56%
Wind Speed N 9 mph
Barometer 30.36 in (1029.6 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 30 Jan 1:54 pm CST
Extended Forecast for

3 Miles WSW Forsyth IL

  • This Afternoon

    This Afternoon: A chance of flurries.  Partly sunny, with a high near 16. Wind chill values between zero and 5. North wind 8 to 10 mph, with gusts as high as 15 mph.

    High: 16 °F

    Chance
    Flurries

  • Tonight

    Tonight: A slight chance of snow before 9pm, then a chance of flurries between 9pm and midnight.  Mostly cloudy, with a low around 3. Wind chill values between -4 and -14. North wind 8 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 20%.

    Low: 3 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 19. Wind chill values between -5 and -15. Northwest wind 9 to 14 mph, with gusts as high as 21 mph.

    High: 19 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 0. Wind chill values between -2 and -7. West northwest wind 3 to 8 mph.

    Low: 0 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 23. Light west southwest wind becoming south southwest 5 to 10 mph in the morning.

    High: 23 °F

    Mostly 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: Mostly cloudy, with a high near 29. West wind 6 to 9 mph.

    High: 29 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of snow after noon.  Mostly cloudy, with a high near 31.

    High: 31 °F

    Cloudy then
    Chance Snow

Detailed Forecast

This Afternoon
A chance of flurries. Partly sunny, with a high near 16. Wind chill values between zero and 5. North wind 8 to 10 mph, with gusts as high as 15 mph.
Tonight
A slight chance of snow before 9pm, then a chance of flurries between 9pm and midnight. Mostly cloudy, with a low around 3. Wind chill values between -4 and -14. North wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 19. Wind chill values between -5 and -15. Northwest wind 9 to 14 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 0. Wind chill values between -2 and -7. West northwest wind 3 to 8 mph.
Sunday
Mostly sunny, with a high near 23. Light west southwest wind becoming south southwest 5 to 10 mph in the morning.
Sunday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 15. South wind 7 to 9 mph.
Monday
Mostly cloudy, with a high near 29. West wind 6 to 9 mph.
Monday Night
Mostly cloudy, with a low around 18.
Tuesday
A 40 percent chance of snow after noon. Mostly cloudy, with a high near 31.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 22.
Wednesday
Mostly cloudy, with a high near 30.
Wednesday Night
Mostly cloudy, with a low around 15.
Thursday
Partly sunny, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Forsyth IL
 39.89°N 89.02°W (Elev. 656 ft)
8:38 am CST Jan 30, 2026
2pm CST Jan 30, 2026-6pm CST Feb 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database