Tonica, Illinois Weather
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Weather Forecast for Tonica, Illinois : LaSalle County
Issued: 4:26 am CDT Jun 2, 2025 Latitude: 41.2158684 Longitude: -89.0667489 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Tuesday Wednesday Thursday Friday Saturday Sunday
Mostly Sunny on This Afternoon Cloudy on Tonight 40% chance of thunderstorms on Tuesday 70% chance of thunderstorms on Wednesday 30% chance of rain on Thursday 20% chance of rain on Friday Partly Sunny on Saturday 20% chance of on Sunday
High: 85°F Low: 67°F High: 84°F High: 72°F High: 76°F High: 77°F High: 78°F High: 80°F
Low: 63°F Low: 57°F Low: 59°F Low: 58°F Low: 58°F  
Mostly Sunny Cloudy Thunderstorms Thunderstorms Rain Rain Partly Sunny Partly Sunny
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Current Conditions at
PERU - (KVYS)
84°
Clear
as of 12:55 PM CDST
Rel. Humidity: 25%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
16 MPH
Gust: 22 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
79°
Clear
as of 12:55 PM CDST
Rel. Humidity: 36%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
10 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
PONTIAC MUNICIPAL AIRPT - (KPNT)
82°
Clear
as of 12:55 PM CDST
Rel. Humidity: 20%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
10 MPH
Gust: 18 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
82°
Clear
as of 12:55 PM CDST
Rel. Humidity: 28%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
13 MPH
Gust: 16 MPH
170° South
Cloud Level(s): Clear
Mostly Sunny on This Afternoon This Afternoon... Mostly sunny, with a high near 85. South wind around 10 mph, with gusts as high as 20 mph.
Cloudy on Tonight Tonight... Partly cloudy, with a low around 67. South wind 10 to 15 mph.
40% chance of thunderstorms Tuesday Tuesday... A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 35 mph.
80% chance of thunderstorms Tuesday Night Tuesday Night... Showers and possibly a thunderstorm. Low around 63. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
70% chance of thunderstorms Wednesday Wednesday... Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Cloudy, with a high near 72. West northwest wind around 10 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
40% chance of rain Wednesday Night Wednesday Night... A 40 percent chance of showers. Mostly cloudy, with a low around 57.
30% chance of rain Thursday Thursday... A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 76.
20% chance of thunderstorms Thursday Night Thursday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
20% chance of rain Friday Friday... A chance of showers. Mostly sunny, with a high near 77.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 58.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 78.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 58.
20% chance of Sunday Sunday... A chance of showers. Partly sunny, with a high near 80.
Current Radar Image


Sun Almanac for Tonica, Illinois
Sunrise: 05:25 AM
Sunset: 8:24 PM
Civil Sunrise:04:52 AM
Civil Sunset: 8:57 PM
Nautical Sunrise: 04:10 AM
Nautical Sunset: 9:39 PM
Astro Sunrise: 03:21 AM
Astro Sunset: 10:28 PM
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