Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Overcast

44°F

7°C

Humidity 93%
Wind Speed NE 18 mph
Barometer 30.09 in (1019.2 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 1 Apr 11:54 am CDT
Extended Forecast for

3 Miles WSW Forsyth IL

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms.  Cloudy, with a high near 53. East northeast wind around 15 mph, with gusts as high as 23 mph.

    High: 53 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am.  Low around 50. East wind 14 to 16 mph, with gusts as high as 24 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Chance
    T-storms then
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Cloudy, with a high near 74. Breezy, with a south wind 17 to 22 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 43 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Breezy.
    Slight Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers after 10pm.  Mostly cloudy, with a low around 59. Breezy, with a southwest wind 21 to 26 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 38 mph.  Chance of precipitation is 50%.

    Low: 59 °F

    Chance
    T-storms and
    Breezy then
    Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 78. South wind 8 to 16 mph, with gusts as high as 24 mph.

    High: 78 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Low around 55. South wind 14 to 16 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 55 °F

    Showers
    Likely then
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 62. West wind 14 to 18 mph, with gusts as high as 28 mph.  Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 62 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35. Breezy.

    Low: 35 °F

    Mostly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 52. Breezy.

    High: 52 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 53. East northeast wind around 15 mph, with gusts as high as 23 mph.
Tonight
Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am. Low around 50. East wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Cloudy, with a high near 74. Breezy, with a south wind 17 to 22 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers after 10pm. Mostly cloudy, with a low around 59. Breezy, with a southwest wind 21 to 26 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 50%.
Friday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. South wind 8 to 16 mph, with gusts as high as 24 mph.
Friday Night
Showers and possibly a thunderstorm. Low around 55. South wind 14 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 62. West wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Partly cloudy, with a low around 35. Breezy.
Sunday
Mostly sunny, with a high near 52. Breezy.
Sunday Night
Mostly clear, with a low around 33.
Monday
Sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Forsyth IL
 39.89°N 89.02°W (Elev. 656 ft)
12:11 pm CDT Apr 1, 2026
12pm CDT Apr 1, 2026-6pm CDT Apr 7, 2026
 
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Additional Resources

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