Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

Danville, Vermilion County Airport (KDNV)

Lat: 40.2°NLon: 87.6°WElev: 696ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

4 Miles E Wellington IL

  • Overnight

    Overnight: A 20 percent chance of showers after 2am.  Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 67. West southwest wind around 5 mph.

    Low: 67 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A slight chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall.  Patchy fog before 8am.  Otherwise, mostly cloudy, with a high near 78. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Heavy
    Rain

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am.  Mostly cloudy, with a low around 62. Northwest wind around 5 mph becoming northeast after midnight.  Chance of precipitation is 50%.

    Low: 62 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 78. North northeast wind around 5 mph becoming calm  in the morning.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers.  Partly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers after 2am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 67. West southwest wind around 5 mph.
Wednesday
A slight chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 78. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 62. Northwest wind around 5 mph becoming northeast after midnight. Chance of precipitation is 50%.
Thursday
Sunny, with a high near 78. North northeast wind around 5 mph becoming calm in the morning.
Thursday Night
Mostly clear, with a low around 60. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 79.
Friday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 79.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Wellington IL
 40.54°N 87.6°W
1:21 am CDT Aug 19, 2026
1am CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database