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Pontiac, Illinois Weather Forecast
Pontiac, Illinois Weather
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Click for Special Weather Statement for Pontiac, Illinois
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Weather Forecast for Pontiac, Illinois : Livingston County
Issued: 2:21 pm CST Dec 17, 2025 Latitude: 40.8808666 Longitude: -88.6297839 View on Google Maps

MouseOver for Detail Forecast
Tonight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Increasing Clouds on Tonight 100% chance of rain & snow on Thursday Mostly Sunny on Friday Mostly Cloudy on Saturday Sunny on Sunday Partly Sunny on Monday Partly Sunny on Tuesday Partly Sunny on Wednesday
Low: 46 °F High: 49 °F High: 29°F High: 44°F High: 34°F High: 40°F High: 48°F High: 45°F
Low: 12°F Low: 22°F Low: 19°F Low: 22°F Low: 33°F Low: 28°F  
Increasing Clouds Rain & Snow Mostly Sunny Mostly Cloudy Sunny Partly Sunny Partly Sunny Partly Sunny
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Current Conditions at
PONTIAC MUNICIPAL AIRPT - (KPNT)
32°
Clear
as of 4:55 PM CST
Rel. Humidity: 92%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
6 MPH
120° Southeast
Cloud Level(s): Clear
Current Conditions at
BLOOMINGTON - (KBMI)
36°
Clear
as of 4:56 PM CST
Rel. Humidity: 80%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
8 MPH
150° Southeast
Cloud Level(s): Clear
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
34°
Feels like 26°F
Clear
as of 4:55 PM CST
Rel. Humidity: 93%
Dew Point: 32°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
9 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
36°
Clear
as of 4:55 PM CST
Rel. Humidity: 80%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
5 MPH
140° Southeast
Cloud Level(s): Clear
Increasing Clouds on Tonight Tonight... Drizzle likely, mainly after 5am. Increasing clouds, with a temperature rising to around 46 by 5am. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 35 mph.
100% chance of rain & snow Thursday Thursday... Rain before 4pm, then a chance of rain and snow. Temperature rising to near 49 by 8am, then falling to around 34 during the remainder of the day. Breezy, with a south wind 15 to 25 mph becoming west in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
40% chance of snow Thursday Night Thursday Night... Scattered snow showers before midnight, then a chance of flurries after midnight. Mostly cloudy, with a low around 12. Wind chill values as low as -7. Breezy, with a west wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 40%.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 29. Wind chill values as low as -6. Blustery, with a west northwest wind 15 to 20 mph becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 22. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 30 mph.
Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 44. Breezy.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 19.
Sunny on Sunday Sunday... Sunny, with a high near 34.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 22.
Partly Sunny on Monday Monday... Partly sunny, with a high near 40.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 33.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 48.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 28.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 45.
Current Radar Image


Sun Almanac for Pontiac, Illinois
Sunrise: 07:14 AM
Sunset: 4:28 PM
Civil Sunrise:06:43 AM
Civil Sunset: 4:59 PM
Nautical Sunrise: 06:08 AM
Nautical Sunset: 5:34 PM
Astro Sunrise: 05:35 AM
Astro Sunset: 6:07 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.