Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

61°F

16°C

Humidity 78%
Wind Speed S 13 mph
Barometer 30.12 in (1019.7 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 12 Apr 1:54 am CDT
Extended Forecast for

4 Miles N Forsyth IL

  • Overnight

    Overnight: Partly cloudy, with a low around 57. South wind 11 to 13 mph, with gusts as high as 22 mph.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 80. Breezy, with a south southwest wind 14 to 24 mph, with gusts as high as 38 mph.

    High: 80 °F

    Partly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: A chance of showers before 10pm, then showers likely and possibly a thunderstorm between 10pm and 3am, then a chance of showers and thunderstorms after 3am.  Cloudy, with a low around 61. Breezy, with a south southwest wind 13 to 21 mph, with gusts as high as 32 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Showers
    Likely and
    Breezy

  • Monday

    Monday: A 30 percent chance of showers before 7am.  Mostly cloudy, with a high near 82. Breezy, with a south southwest wind 13 to 20 mph, with gusts as high as 28 mph.

    High: 82 °F

    Chance
    Showers then
    Mostly Cloudy
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 66. South southwest wind around 18 mph, with gusts as high as 28 mph.

    Low: 66 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 83. Breezy, with a south southwest wind 15 to 21 mph, with gusts as high as 28 mph.

    High: 83 °F

    Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm after 10pm.  Mostly cloudy, with a low around 64. South southwest wind 14 to 17 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    T-storms
    Likely then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm.  High near 78. Breezy.  Chance of precipitation is 90%.

    High: 78 °F

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 62. Chance of precipitation is 70%.

    Low: 62 °F

    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 57. South wind 11 to 13 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 80. Breezy, with a south southwest wind 14 to 24 mph, with gusts as high as 38 mph.
Sunday Night
A chance of showers before 10pm, then showers likely and possibly a thunderstorm between 10pm and 3am, then a chance of showers and thunderstorms after 3am. Cloudy, with a low around 61. Breezy, with a south southwest wind 13 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A 30 percent chance of showers before 7am. Mostly cloudy, with a high near 82. Breezy, with a south southwest wind 13 to 20 mph, with gusts as high as 28 mph.
Monday Night
Mostly cloudy, with a low around 66. South southwest wind around 18 mph, with gusts as high as 28 mph.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. Breezy, with a south southwest wind 15 to 21 mph, with gusts as high as 28 mph.
Tuesday Night
Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm after 10pm. Mostly cloudy, with a low around 64. South southwest wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and possibly a thunderstorm. High near 78. Breezy. Chance of precipitation is 90%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 58.
Friday
A chance of showers. Mostly sunny, with a high near 84.
Friday Night
Showers likely. Mostly cloudy, with a low around 60.
Saturday
Showers and thunderstorms likely. Partly sunny, with a high near 76. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Forsyth IL
 39.97°N 88.96°W (Elev. 679 ft)
1:16 am CDT Apr 12, 2026
2am CDT Apr 12, 2026-6pm CDT Apr 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

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