National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Pontiac Municipal Airport (KPNT)

Lat: 40.92°NLon: 88.62°WElev: 650ft.

Fair

53°F

12°C

Humidity 18%
Wind Speed NA
Barometer 30.20 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 24 Mar 6:55 pm CDT
Extended Forecast for

Ancona IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. East southeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 73. South southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 73 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56. South wind around 10 mph, with gusts as high as 15 mph.

    Low: 56 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm, mainly after 4pm. Partly sunny, with a high near 83. Breezy, with a south southwest wind 10 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%.

    High: 83 °F

    Mostly Sunny
    then Showers
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Mostly cloudy, with a low around 33. Breezy, with a north northeast wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 33 °F

    Showers
    Likely and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Clear, with a low around 26.

    Low: 26 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 40. East southeast wind around 5 mph, with gusts as high as 10 mph.
Wednesday
Partly sunny, with a high near 73. South southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56. South wind around 10 mph, with gusts as high as 15 mph.
Thursday
Showers likely and possibly a thunderstorm, mainly after 4pm. Partly sunny, with a high near 83. Breezy, with a south southwest wind 10 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Mostly cloudy, with a low around 33. Breezy, with a north northeast wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 48.
Friday Night
Clear, with a low around 26.
Saturday
Sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 62.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 73.
Monday Night
A chance of showers. Mostly cloudy, with a low around 51.
Tuesday
A chance of showers. Mostly cloudy, with a high near 72. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ancona IL
 41.04°N 88.75°W
Last Update:
6:21 pm CDT Mar 24, 2026
Forecast Valid:
7pm CDT Mar 24, 2026-6pm CDT Mar 31, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation