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Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

44°F

7°C

Humidity 76%
Wind Speed Calm
Barometer 30.48 in (1032.6 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 17 Oct 8:54 pm CDT
Extended Forecast for

Nokomis IL

Frost Advisory October 18, 01:00am until October 18, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Areas of frost after 5am. Otherwise, clear, with a low around 34. Calm wind becoming southeast around 5 mph after midnight.

    Low: 34 °F

    Clear then
    Areas Frost

  • Sunday

    Sunday: Widespread frost, mainly between 7am and 8am. Otherwise, sunny, with a high near 68. South wind 5 to 8 mph.

    High: 68 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 36. Light southeast wind.

    Low: 36 °F

    Clear

  • Monday

    Monday: Patchy frost before 8am. Otherwise, sunny, with a high near 72. Calm wind.

    High: 72 °F

    Patchy Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Tonight
Areas of frost after 5am. Otherwise, clear, with a low around 34. Calm wind becoming southeast around 5 mph after midnight.
Sunday
Widespread frost, mainly between 7am and 8am. Otherwise, sunny, with a high near 68. South wind 5 to 8 mph.
Sunday Night
Clear, with a low around 36. Light southeast wind.
Monday
Patchy frost before 8am. Otherwise, sunny, with a high near 72. Calm wind.
Monday Night
Mostly clear, with a low around 39. Calm wind.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 48.
Saturday
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nokomis IL
 39.3°N 89.29°W (Elev. 669 ft)
Last Update:
6:10 pm CDT Oct 17, 2026
Forecast Valid:
9pm CDT Oct 17, 2026-6pm CDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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