Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Light Rain Fog/Mist

43°F

6°C

Humidity 97%
Wind Speed N 9 mph
Barometer 30.14 in (1020.9 mb)
Dewpoint 42°F (6°C)
Visibility 4.00 mi
Wind Chill38°F (3°C)
Last update 4 Mar 12:54 am CST
Extended Forecast for

4 Miles N Forsyth IL

  • Overnight

    Overnight: Showers and possibly a thunderstorm, mainly before 3am, then a chance of showers and thunderstorms after 3am.  Patchy fog. Low around 41. East northeast wind around 9 mph, with gusts as high as 17 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm.  Patchy fog before noon. High near 51. East wind 6 to 10 mph, with gusts as high as 16 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 51 °F

    Chance
    Showers and
    Patchy Fog
    then Showers

  • Wednesday Night

    Wednesday Night: A chance of showers, then showers and possibly a thunderstorm after 9pm.  Patchy fog. Low around 49. East wind 5 to 7 mph becoming south after midnight.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Showers and
    Patchy Fog

  • Thursday

    Thursday: Showers likely before noon.  Mostly cloudy, with a high near 61. South wind 6 to 11 mph becoming west in the morning. Winds could gust as high as 17 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Showers
    Likely then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of rain between midnight and 3am, then a chance of rain and thunderstorms after 3am.  Mostly cloudy, with a low around 52. Southwest wind 5 to 11 mph becoming southeast in the evening. Winds could gust as high as 17 mph.  Chance of precipitation is 50%.

    Low: 52 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: Rain likely, mainly before noon.  Cloudy, then gradually becoming mostly sunny, with a high near 76. Breezy, with a south wind 13 to 18 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 32 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 76 °F

    Rain Likely
    and Breezy

  • Friday Night

    Friday Night: A chance of rain before midnight, then rain and possibly a thunderstorm between midnight and 3am, then rain after 3am.  Low around 51. Breezy, with a south wind 16 to 21 mph, with gusts as high as 29 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Breezy.
    Chance Rain
    then Rain

  • Saturday

    Saturday: A 40 percent chance of rain before noon.  Partly sunny, with a high near 61.

    High: 61 °F

    Chance Rain
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers and possibly a thunderstorm, mainly before 3am, then a chance of showers and thunderstorms after 3am. Patchy fog. Low around 41. East northeast wind around 9 mph, with gusts as high as 17 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Patchy fog before noon. High near 51. East wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers, then showers and possibly a thunderstorm after 9pm. Patchy fog. Low around 49. East wind 5 to 7 mph becoming south after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers likely before noon. Mostly cloudy, with a high near 61. South wind 6 to 11 mph becoming west in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of rain between midnight and 3am, then a chance of rain and thunderstorms after 3am. Mostly cloudy, with a low around 52. Southwest wind 5 to 11 mph becoming southeast in the evening. Winds could gust as high as 17 mph. Chance of precipitation is 50%.
Friday
Rain likely, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a high near 76. Breezy, with a south wind 13 to 18 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of rain before midnight, then rain and possibly a thunderstorm between midnight and 3am, then rain after 3am. Low around 51. Breezy, with a south wind 16 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 40 percent chance of rain before noon. Partly sunny, with a high near 61.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 73.
Monday Night
A chance of rain. Mostly clear, with a low around 57.
Tuesday
Rain likely. Mostly cloudy, with a high near 74. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Forsyth IL
 39.97°N 88.96°W (Elev. 679 ft)
12:26 am CST Mar 4, 2026
1am CST Mar 4, 2026-6pm CDT Mar 10, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database