Altona, Illinois Weather
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Weather Forecast for Altona, Illinois : Knox County
Issued: 8:41 pm CDT Jun 21, 2025 Latitude: 41.1147594 Longitude: -90.1645637 View on Google Maps

MouseOver for Detail Forecast
Tonight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Clear on Tonight Sunny on Sunday Sunny on Monday 30% chance of thunderstorms on Tuesday 50% chance of thunderstorms on Wednesday 50% chance of thunderstorms on Thursday 20% chance of thunderstorms on Friday 20% chance of thunderstorms on Saturday
Low: 76°F High: 95°F High: 95°F High: 93°F High: 93°F High: 92°F High: 88°F High: 89°F
Low: 74°F Low: 74°F Low: 73°F Low: 73°F Low: 71°F Low: 69°F  
Clear Sunny Sunny Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms
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Current Conditions at
GALESBURG - (KGBG)
82°
Clear
as of 8:55 PM CDST
Rel. Humidity: 69%
Dew Point: 72°F
Visibility: 10 Miles
Pressure: 29.85 in.
Flight Rule: VFR
Wind Data
7 MPH
170° South
Cloud Level(s): Clear
Current Conditions at
MOLINE - (KMLI)
86°
Feels like 93°F
Clear
as of 8:52 PM CDST
Rel. Humidity: 66%
Dew Point: 73°F
Visibility: 10 Miles
Pressure: 29.79 in.
Flight Rule: VFR
Wind Data
14 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
PEORIA - (KPIA)
86°
Feels like 95°F
Clear
as of 8:54 PM CDST
Rel. Humidity: 70%
Dew Point: 75°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: VFR
Wind Data
14 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
86°
Feels like 93°F
Clear
as of 8:55 PM CDST
Rel. Humidity: 66%
Dew Point: 73°F
Visibility: 10 Miles
Pressure: 29.84 in.
Flight Rule: VFR
Wind Data
8 MPH
200° South
Cloud Level(s): Clear
Clear on Tonight Tonight... Clear, with a low around 76. South southwest wind 10 to 14 mph, with gusts as high as 25 mph.
Sunny on Sunday Sunday... Sunny and hot, with a high near 95. Heat index values as high as 105. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 31 mph.
Clear on Sunday Night Sunday Night... Clear, with a low around 74. South southwest wind 10 to 17 mph, with gusts as high as 29 mph.
Sunny on Monday Monday... Sunny and hot, with a high near 95. Heat index values as high as 100. South southwest wind 10 to 16 mph, with gusts as high as 24 mph.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 74. South southwest wind 6 to 13 mph, with gusts as high as 21 mph.
30% chance of thunderstorms Tuesday Tuesday... A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Southwest wind 6 to 10 mph, with gusts as high as 16 mph.
30% chance of thunderstorms Tuesday Night Tuesday Night... A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. South southwest wind around 7 mph.
50% chance of thunderstorms Wednesday Wednesday... A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
40% chance of thunderstorms Wednesday Night Wednesday Night... A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
50% chance of thunderstorms Thursday Thursday... A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
20% chance of thunderstorms Thursday Night Thursday Night... A chance of showers and thunderstorms. Partly cloudy, with a low around 71.
20% chance of thunderstorms Friday Friday... A chance of showers and thunderstorms. Mostly sunny, with a high near 88.
20% chance of thunderstorms Friday Night Friday Night... A chance of showers and thunderstorms. Partly cloudy, with a low around 69.
20% chance of thunderstorms Saturday Saturday... A chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Current Radar Image


Sun Almanac for Altona, Illinois
Sunrise: 05:28 AM
Sunset: 8:37 PM
Civil Sunrise:04:55 AM
Civil Sunset: 9:10 PM
Nautical Sunrise: 04:11 AM
Nautical Sunset: 9:54 PM
Astro Sunrise: 03:20 AM
Astro Sunset: 10:45 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.