Altona, Illinois Weather
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Click for Hazardous Weather Outlook for Altona, Illinois
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Weather Forecast for Altona, Illinois : Knox County
Issued: 12:27 am CDT Jun 1, 2025 Latitude: 41.1147594 Longitude: -90.1645637 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Cloudy on Overnight Mostly Sunny on Sunday Mostly Sunny on Monday 60% chance of rain on Tuesday 60% chance of thunderstorms on Wednesday 50% chance of thunderstorms on Thursday Mostly Sunny on Friday 20% chance of on Saturday
Low: 53°F High: 81°F High: 88°F High: 84°F High: 75°F High: 74°F High: 78°F High: 80°F
Low: 57°F Low: 68°F Low: 63°F Low: 60°F Low: 57°F Low: 59°F  
Cloudy Mostly Sunny Mostly Sunny Rain Thunderstorms Thunderstorms Mostly Sunny Partly Sunny
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Current Conditions at
GALESBURG - (KGBG)
63°
Clear
as of 12:15 AM CDST
Rel. Humidity: 51%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.85 in.
Flight Rule: VFR
Wind Data
6 MPH
090° East
Cloud Level(s): Clear
Current Conditions at
MOLINE - (KMLI)
61°
Partly Cloudy
as of 11:52 PM CDST
Rel. Humidity: 63%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.83 in.
Flight Rule: VFR
Wind Data
8 MPH
090° East
Cloud Level(s): Scattered at 9000ft
Current Conditions at
PEORIA - (KPIA)
61°
Mostly Cloudy
as of 11:54 PM CDST
Rel. Humidity: 38%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.86 in.
Flight Rule: VFR
Wind Data
14 MPH
090° East
Cloud Level(s): Broken at 9500ft
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
57°
Cloudy
as of 12:15 AM CDST
Rel. Humidity: 33%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Broken at 8500ft, Solid Overcast at 11000ft
Cloudy on Overnight Overnight... Partly cloudy, with a low around 53. East southeast wind 5 to 8 mph, with gusts as high as 15 mph.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 81. Light and variable wind becoming south around 5 mph in the morning.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 57. Light and variable wind becoming south southeast around 6 mph after midnight.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 88. South wind 6 to 14 mph, with gusts as high as 21 mph.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 68. South wind 11 to 13 mph, with gusts as high as 23 mph.
60% chance of rain Tuesday Tuesday... Showers likely, mainly after 1pm. Mostly cloudy, with a high near 84. Breezy, with a south wind 14 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
80% chance of thunderstorms Tuesday Night Tuesday Night... Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 63. South wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
60% chance of thunderstorms Wednesday Wednesday... Showers likely, with thunderstorms also possible after 1pm. Cloudy, with a high near 75. Chance of precipitation is 60%.
50% chance of rain Wednesday Night Wednesday Night... A 50 percent chance of showers. Mostly cloudy, with a low around 60.
50% chance of thunderstorms Thursday Thursday... A chance of showers and thunderstorms. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.
20% chance of rain Thursday Night Thursday Night... A chance of showers. Mostly cloudy, with a low around 57.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 78.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 59.
20% chance of Saturday Saturday... A chance of showers. Partly sunny, with a high near 80.
Current Radar Image


Sun Almanac for Altona, Illinois
Sunrise: 05:30 AM
Sunset: 8:27 PM
Civil Sunrise:04:57 AM
Civil Sunset: 9:00 PM
Nautical Sunrise: 04:15 AM
Nautical Sunset: 9:42 PM
Astro Sunrise: 03:27 AM
Astro Sunset: 10:30 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.