Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Olney-Noble Airport (KOLY)

Lat: 38.72°NLon: 88.18°WElev: 479ft.

Mostly Cloudy

76°F

24°C

Humidity 96%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index75°F (24°C)
Last update 16 Jul 12:15 am CDT
Extended Forecast for

4 Miles SW Parkersburg IL

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 73. Light south wind.

    Low: 73 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, then gradually becoming sunny, with a high near 91. Southwest wind 6 to 9 mph.

    High: 91 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am.  Partly cloudy, with a low around 75. South southwest wind around 6 mph.  Chance of precipitation is 20%.

    Low: 75 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm.  Mostly sunny, with a high near 91. West southwest wind 6 to 9 mph.  Chance of precipitation is 60%.

    High: 91 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, mainly before 7pm.  Mostly cloudy, with a low around 71. West wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 60%.

    Low: 71 °F

    T-storms
    Likely then
    Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 84. East northeast wind around 5 mph.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 71. Light and variable wind.

    Low: 71 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms.  Partly sunny, with a high near 88. Southwest wind 5 to 7 mph.

    High: 88 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 74. South southwest wind around 5 mph.

    Low: 74 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Light south wind.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, then gradually becoming sunny, with a high near 91. Southwest wind 6 to 9 mph.
Wednesday Night
A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Partly cloudy, with a low around 75. South southwest wind around 6 mph. Chance of precipitation is 20%.
Thursday
A slight chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Mostly sunny, with a high near 91. West southwest wind 6 to 9 mph. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely, mainly before 7pm. Mostly cloudy, with a low around 71. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84. East northeast wind around 5 mph.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71. Light and variable wind.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Southwest wind 5 to 7 mph.
Saturday Night
A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 74. South southwest wind around 5 mph.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Southwest wind 5 to 7 mph.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. South southwest wind around 5 mph becoming light and variable in the evening.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. South wind 3 to 7 mph.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. South southeast wind around 6 mph.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. South southwest wind 6 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Parkersburg IL
 38.55°N 88.11°W
12:02 am CDT Jul 16, 2025
12am CDT Jul 16, 2025-6pm CDT Jul 22, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database