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Cottage Grove, Illinois Weather Forecast
Cottage Grove, Illinois Weather
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Weather Forecast for Cottage Grove, Illinois : Saline County
Issued: 10:01 pm CST Nov 4, 2025 Latitude: 37.7481028 Longitude: -88.4106015 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Veterans Day
Cloudy on Overnight Sunny on Wednesday Sunny on Thursday 80% chance of thunderstorms on Friday Sunny on Saturday Partly Sunny on Sunday Sunny on Monday Sunny on Veterans Day
Low: 50°F High: 71°F High: 64°F High: 70°F High: 68°F High: 49°F High: 44°F High: 50°F
Low: 38°F Low: 49°F Low: 42°F Low: 40°F Low: 25°F Low: 24°F  
Cloudy Sunny Sunny Thunderstorms Sunny Partly Sunny Sunny Sunny
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Current Conditions at
HARRISBURG-RALEIGH - (KHSB)
54°
Clear
as of 12:35 AM CST
Rel. Humidity: 76%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
HENDERSON CITY - (KEHR)
54°
Clear
as of 11:56 PM CST
Rel. Humidity: 76%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: VFR
Wind Data
9 MPH
190° South
Current Conditions at
METROPOLIS MUNI ARP - (KM30)
54°
Clear
as of 12:35 AM CST
Rel. Humidity: 76%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
3 MPH
190° South
Cloud Level(s): Clear
Cloudy on Overnight Overnight... Partly cloudy, with a low around 50. Southwest wind around 10 mph, with gusts as high as 20 mph.

Sunny on Wednesday Wednesday... Sunny, with a high near 71. Southwest wind 8 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.

Clear on Wednesday Night Wednesday Night... Clear, with a low around 38. North northwest wind around 6 mph becoming light and variable in the evening.

Sunny on Thursday Thursday... Sunny, with a high near 64. Light and variable wind becoming southeast 5 to 9 mph in the morning.

20% chance of rain Thursday Night Thursday Night... A 20 percent chance of showers after midnight. Partly cloudy, with a low around 49. Southeast wind 6 to 11 mph becoming south southwest after midnight. Winds could gust as high as 21 mph.

80% chance of thunderstorms Friday Friday... Showers, with thunderstorms also possible after noon. High near 70. South southwest wind 8 to 15 mph becoming west in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%.

Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 42. West wind around 6 mph becoming calm in the evening.

Sunny on Saturday Saturday... Sunny, with a high near 68. Calm wind becoming south southwest 5 to 8 mph in the morning.

20% chance of rain Saturday Night Saturday Night... A chance of showers, mainly before midnight. Partly cloudy, with a low around 40. South wind 6 to 9 mph becoming west northwest after midnight.

Partly Sunny on Sunday Sunday... Partly sunny, with a high near 49. Northwest wind 10 to 15 mph, with gusts as high as 23 mph.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 25. Northwest wind 7 to 10 mph, with gusts as high as 18 mph.

Sunny on Monday Monday... Sunny, with a high near 44. Northwest wind 7 to 11 mph.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 24. West northwest wind around 5 mph becoming light and variable.

Sunny on Veterans Day Veterans Day... Sunny, with a high near 50. South southwest wind 6 to 13 mph, with gusts as high as 20 mph.

Current Radar Image


Sun Almanac for Cottage Grove, Illinois
Sunrise: 06:24 AM
Sunset: 4:51 PM
Civil Sunrise:05:56 AM
Civil Sunset: 5:18 PM
Nautical Sunrise: 05:25 AM
Nautical Sunset: 5:49 PM
Astro Sunrise: 04:54 AM
Astro Sunset: 6:20 PM
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