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Grantsburg, Illinois Weather Forecast
Grantsburg, Illinois Weather
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Weather Forecast for Grantsburg, Illinois : Johnson County
Issued: 3:16 am CST Nov 5, 2025 Latitude: 37.3908854 Longitude: -88.7470015 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 70% chance of thunderstorms on Friday Sunny on Saturday Mostly Sunny on Sunday Sunny on Monday Sunny on Veterans Day
Low: 48°F High: 72°F High: 66°F High: 72°F High: 68°F High: 48°F High: 44°F High: 52°F
Low: 42°F Low: 52°F Low: 44°F Low: 39°F Low: 24°F Low: 25°F  
Cloudy Sunny Sunny Thunderstorms Sunny Mostly Sunny Sunny Sunny
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Current Conditions at
METROPOLIS MUNI ARP - (KM30)
50°
Clear
as of 3:35 AM CST
Rel. Humidity: 81%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
PADUCAH - (KPAH)
52°
Clear
as of 2:53 AM CST
Rel. Humidity: 81%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: VFR
Wind Data
3 MPH
230° Southwest
Cloud Level(s): Clear
Current Conditions at
CAIRO - (KCIR)
52°
Clear
as of 3:15 AM CST
Rel. Humidity: 81%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
3 MPH
200° South
Cloud Level(s): Clear
Cloudy on Overnight Overnight... Partly cloudy, with a low around 48. South southwest wind around 8 mph, with gusts as high as 18 mph.

Sunny on Wednesday Wednesday... Sunny, with a high near 72. South southwest wind 5 to 10 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 42. Light and variable wind.

Sunny on Thursday Thursday... Sunny, with a high near 66. Calm wind becoming east around 6 mph in the morning.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 52. Light and variable wind becoming south southwest 5 to 8 mph in the evening. Winds could gust as high as 18 mph.

70% chance of thunderstorms Friday Friday... Showers likely, with thunderstorms also possible after noon. Partly sunny, with a high near 72. South southwest wind 6 to 10 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 44. Light and variable wind.

Sunny on Saturday Saturday... Sunny, with a high near 68. Calm wind becoming southwest around 6 mph in the morning.

20% chance of rain Saturday Night Saturday Night... A chance of showers. Partly cloudy, with a low around 39. Southwest wind 5 to 8 mph becoming northwest after midnight.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 48. North northwest wind 8 to 14 mph, with gusts as high as 23 mph.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 24. Northwest wind 3 to 7 mph.

Sunny on Monday Monday... Sunny, with a high near 44. West northwest wind 3 to 8 mph.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 25. Light west southwest wind.

Sunny on Veterans Day Veterans Day... Sunny, with a high near 52. Light southwest wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

Current Radar Image


Sun Almanac for Grantsburg, Illinois
Sunrise: 06:24 AM
Sunset: 4:53 PM
Civil Sunrise:05:57 AM
Civil Sunset: 5:20 PM
Nautical Sunrise: 05:26 AM
Nautical Sunset: 5:51 PM
Astro Sunrise: 04:56 AM
Astro Sunset: 6:22 PM
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