Allen, Illinois Weather
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Weather Forecast for Allen, Illinois : Mason County
Issued: 9:41 pm CDT Jun 12, 2025 Latitude: 40.3050423 Longitude: -89.649551 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday Juneteenth
30% chance of thunderstorms on Tonight 70% chance of thunderstorms on Friday 40% chance of  on Saturday Mostly Sunny on Sunday 30% chance of thunderstorms on Monday 40% chance of thunderstorms on Tuesday 20% chance of thunderstorms on Wednesday 20% chance of rain on Juneteenth
Low: 68°F High: 78°F High: 84°F High: 87°F High: 88°F High: 90°F High: 88°F High: 86°F
Low: 68°F Low: 66°F Low: 68°F Low: 68°F Low: 71°F Low: 70°F  
Thunderstorms Thunderstorms Partly Sunny Mostly Sunny Thunderstorms Thunderstorms Thunderstorms Rain
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Current Conditions at
LOGAN COUNTY AIRPORT - (KAAA)
73°
Cloudy
as of 10:35 PM CDST
Rel. Humidity: 88%
Dew Point: 70°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Broken at 8500ft, Solid Overcast at 11000ft
Current Conditions at
PEORIA - (KPIA)
73°
Clear
as of 9:54 PM CDST
Rel. Humidity: 83%
Dew Point: 68°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
6 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
SPRINGFIELD - (KSPI)
73°
Cloudy
as of 9:52 PM CDST
Rel. Humidity: 83%
Dew Point: 68°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
5 MPH
070° East
Cloud Level(s): Solid Overcast at 7500ft
Current Conditions at
BLOOMINGTON - (KBMI)
73°
Mostly Cloudy
as of 10:05 PM CDST
Rel. Humidity: 78%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Broken at 12000ft
30% chance of thunderstorms Tonight Tonight... A slight chance of showers between 3am and 4am, then a chance of showers and thunderstorms after 4am. Cloudy, with a low around 68. Light southeast wind. Chance of precipitation is 30%.

70% chance of thunderstorms Friday Friday... Showers and thunderstorms likely, mainly before 10am, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 78. Southeast wind 6 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

40% chance of thunderstorms Friday Night Friday Night... A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 68. East southeast wind 3 to 6 mph. Chance of precipitation is 40%.

40% chance of  Saturday Saturday... A 40 percent chance of showers after 1pm. Partly sunny, with a high near 84. East wind 3 to 6 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 66. Light east northeast wind.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 87. Light east northeast wind.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 68. Calm wind.

30% chance of thunderstorms Monday Monday... A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.

30% chance of thunderstorms Monday Night Monday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.

40% chance of thunderstorms Tuesday Tuesday... A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.

20% chance of thunderstorms Tuesday Night Tuesday Night... A chance of showers and thunderstorms. Partly cloudy, with a low around 71.

20% chance of thunderstorms Wednesday Wednesday... A chance of showers and thunderstorms. Partly sunny, with a high near 88.

20% chance of thunderstorms Wednesday Night Wednesday Night... A chance of showers and thunderstorms. Partly cloudy, with a low around 70.

20% chance of rain Juneteenth Juneteenth... A chance of showers. Mostly sunny, with a high near 86.

Current Radar Image


Sun Almanac for Allen, Illinois
Sunrise: 05:28 AM
Sunset: 8:29 PM
Civil Sunrise:04:55 AM
Civil Sunset: 9:02 PM
Nautical Sunrise: 04:13 AM
Nautical Sunset: 9:44 PM
Astro Sunrise: 03:24 AM
Astro Sunset: 10:33 PM
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