Severe Weather in the Plains; Heavy Rainfall in the Ohio and Tennessee Valleys; Heat Wave in the Central U.S.

Numerous severe storms with a potential for severe wind gusts, tornadoes (some potentially strong), and very large hail are expected in parts of the central and northern Plains. Heavy rainfall may bring a flooding threat to parts of the northern Plains and from the Ohio Valley to the Southeast. Fire weather concerns persist in the Four Corners Region. Hot and humid expected in the central U.S.. Read More >

Hazardous Weather Conditions

Current conditions at

Pontiac Municipal Airport (KPNT)

Lat: 40.92°NLon: 88.62°WElev: 650ft.

Mostly Cloudy

82°F

28°C

Humidity 86%
Wind Speed NA
Barometer 29.94 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 9 Jun 10:35 am CDT
Extended Forecast for

Ancona IL

  • Today

    Today: A slight chance of showers, with thunderstorms also possible after 1pm.  Mostly sunny, with a high near 88. Heat index values as high as 96. West southwest wind around 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 10pm.  Partly cloudy, with a low around 74. South southwest wind 5 to 10 mph.

    Low: 74 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 93. Heat index values as high as 101. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 1am.  Partly cloudy, with a low around 73. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%.

    Low: 73 °F

    T-storms
    Likely

  • Thursday

    Thursday: Showers and thunderstorms, mainly after 1pm.  High near 91. Breezy, with a south southwest 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 80%.

    High: 91 °F

    Slight Chance
    T-storms then
    T-storms and
    Breezy

  • Thursday Night

    Thursday Night: Showers and thunderstorms before 1am.  Low around 64. Chance of precipitation is 80%.

    Low: 64 °F

    T-storms

  • Friday

    Friday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 88. Heat index values as high as 96. West southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 10pm. Partly cloudy, with a low around 74. South southwest wind 5 to 10 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Heat index values as high as 101. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Showers and thunderstorms likely, mainly before 1am. Partly cloudy, with a low around 73. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms, mainly after 1pm. High near 91. Breezy, with a south southwest 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 80%.
Thursday Night
Showers and thunderstorms before 1am. Low around 64. Chance of precipitation is 80%.
Friday
Sunny, with a high near 79.
Friday Night
Clear, with a low around 62.
Saturday
Sunny, with a high near 85.
Saturday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 62.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
A chance of showers. Partly cloudy, with a low around 58.
Monday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Ancona IL
 41.04°N 88.75°W
2:46 am CDT Jun 9, 2026
10am CDT Jun 9, 2026-6pm CDT Jun 15, 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