Heavy Rain and Mountain Snow in the West; Severe Thunderstorms Across the Upper Ohio Valley and Southern New England

Gusty winds, high elevation snow and valley rain continues to impact portions of Northern California and the Pacific Northwest. Isolated instances of flash flooding may be possible. Widespread severe thunderstorms will develop across the Upper Ohio Valley into southern New England Sunday. The main threats will be damaging winds however, large hail and a few tornadoes can’t be ruled out. Read More >

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

73°F

23°C

Humidity 37%
Wind Speed S 16 mph
Barometer 29.99 in (1015.5 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 13 Apr 4:54 pm CDT
Extended Forecast for

Illiopolis IL

  • Tonight

    Tonight: Partly cloudy, with a low around 60. South wind 11 to 16 mph, with gusts as high as 25 mph.

    Partly Cloudy

    Low: 60 °F

  • Sunday

    Sunday: Sunny, with a high near 83. West southwest wind 11 to 17 mph, with gusts as high as 25 mph.

    Sunny

    High: 83 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 55. West wind 5 to 7 mph becoming light and variable.

    Mostly Clear

    Low: 55 °F

  • Monday

    Monday: Increasing clouds, with a high near 81. East northeast wind 7 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 16 mph.

    Increasing
    Clouds

    High: 81 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am.  Mostly cloudy, with a low around 64. Southeast wind around 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 40%.

    Mostly Cloudy
    then Chance
    T-storms

    Low: 64 °F

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 4pm.  High near 78. Breezy, with a south southeast wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 41 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers and
    Breezy

    High: 78 °F

  • Tuesday
    Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am.  Low around 62. Breezy, with a south wind 22 to 28 mph, with gusts as high as 44 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Showers and
    Breezy

    Low: 62 °F

  • Wednesday

    Wednesday: A 30 percent chance of showers before 1pm.  Partly sunny, with a high near 71. Breezy.

    Chance
    Showers and
    Breezy

    High: 71 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 49.

    Partly Cloudy

    Low: 49 °F

Detailed Forecast

Tonight
Partly cloudy, with a low around 60. South wind 11 to 16 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 83. West southwest wind 11 to 17 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 55. West wind 5 to 7 mph becoming light and variable.
Monday
Increasing clouds, with a high near 81. East northeast wind 7 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 16 mph.
Monday Night
A chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 64. Southeast wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Tuesday
Showers, with thunderstorms also possible after 4pm. High near 78. Breezy, with a south southeast wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 62. Breezy, with a south wind 22 to 28 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 71. Breezy.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 56. Breezy.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Mostly sunny, with a high near 54.
Click Map For Forecast
Point Forecast:
Illiopolis IL
 39.85°N 89.26°W (Elev. 607 ft)
4:41 pm CDT Apr 13, 2024
5pm CDT Apr 13, 2024-6pm CDT Apr 20, 2024
 
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Additional Resources

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