Thunderstorms and Heavy Rainfall from the Plains to the Mid-Atlantic

Severe thunderstorms producing damaging winds are most likely over parts of the Dakotas into Minnesota from this afternoon into the overnight, with other isolated storms producing hail or wind over the northern High Plains. In the Northern Plains into the Upper Great Lakes and Mid-Atlantic, heavy to excessive rain may bring flash and urban flooding through Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

A Few Clouds

84°F

29°C

Humidity 63%
Wind Speed SE 7 mph
Barometer 30.10 in (1018.5 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 7 Jul 12:54 pm CDT
Extended Forecast for

Elwin IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 84. Northeast wind around 6 mph.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 65. East northeast wind around 5 mph becoming calm  in the evening.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Light and variable wind.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 88. Southwest wind 6 to 9 mph.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 70. Southwest wind around 6 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 70 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 84. Southwest wind 6 to 8 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 83.

    High: 83 °F

    Mostly Cloudy
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 84. Northeast wind around 6 mph.
Tonight
Mostly clear, with a low around 65. East northeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 86. Light and variable wind.
Wednesday Night
Partly cloudy, with a low around 67. Calm wind becoming south southwest around 5 mph after midnight.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Southwest wind 6 to 9 mph.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. Southwest wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. Southwest wind 6 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83.
Saturday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 66.
Monday
Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Elwin IL
 39.8°N 88.94°W (Elev. 699 ft)
1:26 pm CDT Jul 7, 2026
1pm CDT Jul 7, 2026-6pm CDT Jul 13, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database