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Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Light Rain

69°F

21°C

Humidity 87%
Wind Speed SE 7 mph
Barometer 30.03 in (1016.6 mb)
Dewpoint 65°F (18°C)
Visibility 9.00 mi
Last update 15 Oct 10:54 am CDT
Extended Forecast for

Stonington IL

  • Today

    Today: Showers and thunderstorms, mainly before 4pm. High near 77. Southeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 46. Southwest wind 11 to 17 mph becoming west northwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers after 4pm. Partly sunny, with a high near 55. Breezy, with a northwest wind around 21 mph, with gusts as high as 32 mph.

    High: 55 °F

    Breezy.
    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 36. North wind 10 to 16 mph, with gusts as high as 25 mph.

    Low: 36 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Areas of frost before 8am. Otherwise, sunny, with a high near 59. North wind around 6 mph becoming calm in the morning.

    High: 59 °F

    Areas Frost
    then Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 4am. Otherwise, clear, with a low around 35. Light and variable wind.

    Low: 35 °F

    Clear then
    Areas Frost

  • Sunday

    Sunday: Areas of frost before 8am. Otherwise, sunny, with a high near 68. South wind 5 to 8 mph.

    High: 68 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and thunderstorms, mainly before 4pm. High near 77. Southeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 46. Southwest wind 11 to 17 mph becoming west northwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of showers after 4pm. Partly sunny, with a high near 55. Breezy, with a northwest wind around 21 mph, with gusts as high as 32 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 36. North wind 10 to 16 mph, with gusts as high as 25 mph.
Saturday
Areas of frost before 8am. Otherwise, sunny, with a high near 59. North wind around 6 mph becoming calm in the morning.
Saturday Night
Areas of frost after 4am. Otherwise, clear, with a low around 35. Light and variable wind.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 68. South wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 38.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Stonington IL
 39.65°N 89.18°W (Elev. 617 ft)
Last Update:
11:41 am CDT Oct 15, 2026
Forecast Valid:
11am CDT Oct 15, 2026-6pm CDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation