Additional Severe Weather Concerns for the Center of the Nation; Heat Builds for the West; Critical Fire Weather for Alaska

Active hazardous weather continues for the center of the nation with more severe thunderstorms and heavy rainfall today. Heat will linger across the southern Plains, then expand westward early in the week. The combination of heat and dry conditions will fuel fire weather concerns for the Four Corners region and across interior Alaska. Read More >

Current conditions at

Pontiac Municipal Airport (KPNT)

Lat: 40.92°NLon: 88.62°WElev: 650ft.

Partly Cloudy

61°F

16°C

Humidity 98%
Wind Speed NA
Barometer 29.96 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 21 Jun 6:35 am CDT
Extended Forecast for

Ancona IL

  • Today

    Today: Showers, with thunderstorms also possible after 1pm. Some of the storms could produce heavy rainfall.  High near 69. Light southeast wind becoming east 10 to 15 mph in the morning. Winds could gust as high as 25 mph.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 69 °F

    Showers
    Likely then
    Heavy Rain

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 10pm, then showers likely.  Low around 59. Breezy, with a north northeast wind 15 to 20 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.

    Low: 59 °F

    Showers and
    Breezy then
    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers before 1pm.  Cloudy, then gradually becoming mostly sunny, with a high near 75. North northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 75 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. North northeast wind 5 to 10 mph becoming light  after midnight. Winds could gust as high as 15 mph.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. Calm wind.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 79.

    High: 79 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
Showers, with thunderstorms also possible after 1pm. Some of the storms could produce heavy rainfall. High near 69. Light southeast wind becoming east 10 to 15 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Tonight
Showers and possibly a thunderstorm before 10pm, then showers likely. Low around 59. Breezy, with a north northeast wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.
Monday
A 20 percent chance of showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 75. North northeast wind around 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 52. North northeast wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 15 mph.
Tuesday
Sunny, with a high near 77. Calm wind.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 58.
Friday
Mostly sunny, with a high near 80.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Ancona IL
 41.07°N 88.75°W
4:56 am CDT Jun 21, 2026
6am CDT Jun 21, 2026-6pm CDT Jun 27, 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