Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Light Rain

61°F

16°C

Humidity 72%
Wind Speed E 6 mph
Barometer 29.59 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 17 Jun 8:43 am CDT
Extended Forecast for

Dover IL

Flood Watch until June 17, 07:00pm
Tornado Watch until June 17, 03:00pm
Severe T-storm Warning June 17, 08:56am until June 17, 09:30am
Click here for hazard details and duration
Flood Watch
Tornado Watch
...
  •  
    Flood Watch until June 17, 07:00pm
    Tornado Watch until June 17, 03:00pm
    Severe T-storm Warning June 17, 08:56am until June 17, 09:30am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 75 °F

    Heavy Rain
    and Breezy

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm.  Mostly clear, with a low around 59. West wind around 15 mph, with gusts as high as 25 mph.

    Low: 59 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 74. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. Northwest wind 5 to 10 mph.

    Low: 55 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms before 2pm, then showers and possibly a thunderstorm between 2pm and 4pm, then showers and thunderstorms likely after 4pm. Some of the storms could produce heavy rainfall. High near 75. Breezy, with a southeast wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly clear, with a low around 59. West wind around 15 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 74. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 55. Northwest wind 5 to 10 mph.
Juneteenth
Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 58.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62.
Sunday
Showers and possibly a thunderstorm. High near 76. Chance of precipitation is 80%.
Sunday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 79.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Dover IL
 41.44°N 89.4°W (Elev. 748 ft)
7:56 am CDT Jun 17, 2026
8am CDT Jun 17, 2026-6pm CDT Jun 23, 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