Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Current conditions at

Taylorville, Taylorville Municipal Airport (KTAZ)

Lat: 39.53°NLon: 89.33°WElev: 623ft.

N/A

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

Oconee IL

Tornado Watch until June 17, 10:00pm
Wind Advisory until June 17, 07:00pm
Click here for hazard details and duration
Tornado Watch
Wind Advisory
  •  
    Tornado Watch until June 17, 10:00pm
    Wind Advisory until June 17, 07:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 82 °F

    Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: Showers and thunderstorms, mainly before midnight. Some of the storms could be severe.  Low around 64. Breezy, with a west wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 41 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    T-storms and
    Breezy then
    Severe
    Thunderstorms

  • Thursday

    Thursday: A slight chance of showers between noon and 4pm.  Mostly sunny, with a high near 75. West northwest wind 7 to 9 mph, with gusts as high as 17 mph.  Chance of precipitation is 20%.

    High: 75 °F

    Sunny then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 56 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82. Southwest wind 3 to 5 mph.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Clear
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 82. Breezy, with a south southwest wind 22 to 24 mph, with gusts as high as 41 mph.
Tonight
Showers and thunderstorms, mainly before midnight. Some of the storms could be severe. Low around 64. Breezy, with a west wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A slight chance of showers between noon and 4pm. Mostly sunny, with a high near 75. West northwest wind 7 to 9 mph, with gusts as high as 17 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 56. West northwest wind around 5 mph becoming calm in the evening.
Juneteenth
Sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 61. Calm wind.
Saturday
Mostly sunny, with a high near 82. Southwest wind 3 to 5 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63.
Sunday
Showers and possibly a thunderstorm. High near 79. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 62. Chance of precipitation is 80%.
Monday
Partly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 78.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Oconee IL
 39.29°N 89.12°W (Elev. 686 ft)
2:41 pm CDT Jun 17, 2026
3pm 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