Barnett, Illinois Weather
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Weather Forecast for Barnett, Illinois : Montgomery County
Issued: 9:22 pm CDT Jun 5, 2025 Latitude: 39.2644932 Longitude: -89.6973145 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
Patchy Fog on Tonight 70% chance of thunderstorms on Friday 60% chance of thunderstorms on Saturday 20% chance of thunderstorms on Sunday Mostly Sunny on Monday Sunny on Tuesday Sunny on Wednesday 20% chance of on Thursday
Low: 62°F High: 75°F High: 76°F High: 79°F High: 77°F High: 75°F High: 80°F High: 81°F
Low: 60°F Low: 61°F Low: 58°F Low: 54°F Low: 56°F Low: 59°F  
Patchy Fog Thunderstorms Thunderstorms Thunderstorms Mostly Sunny Sunny Sunny Partly Sunny
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Current Conditions at
LITCHFIELD MUNI ARP - (K3LF)
64°
Clear
Mist
as of 10:35 PM CDST
Rel. Humidity: 100%
Dew Point: 64°F
Visibility: 5 Miles
Pressure: 30.03 in.
Flight Rule: MVFR
Wind Data
5 MPH
280° West
Cloud Level(s): Clear
Current Conditions at
TAYLORVILLE MUNICIPAL - (KTAZ)
66°
Cloudy
Mist
as of 10:42 PM CDST
Rel. Humidity: 100%
Dew Point: 66°F
Visibility: 2 1/2 Miles
Pressure: 30.02 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 3600ft
Current Conditions at
ALTON - (KALN)
66°
Clear
as of 10:35 PM CDST
Rel. Humidity: 93%
Dew Point: 64°F
Visibility: 7 Miles
Pressure: 30.02 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
SPRINGFIELD - (KSPI)
66°
Clear
Mist
as of 9:52 PM CDST
Rel. Humidity: 93%
Dew Point: 64°F
Visibility: 6 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
5 MPH
260° West
Cloud Level(s): Clear
Patchy Fog on Tonight Tonight... Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 62. Light north wind.
70% chance of thunderstorms Friday Friday... Showers and thunderstorms likely. Areas of fog before 9am. Otherwise, cloudy, with a high near 75. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 70%.
30% chance of rain Friday Night Friday Night... A 30 percent chance of showers, mainly before 7pm. Partly cloudy, with a low around 60. North wind around 6 mph becoming calm in the evening.
60% chance of thunderstorms Saturday Saturday... A chance of showers and thunderstorms before 1pm, then showers likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 76. Northeast wind 5 to 7 mph becoming south in the afternoon. Chance of precipitation is 60%.
40% chance of thunderstorms Saturday Night Saturday Night... A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 61. Southwest wind around 6 mph becoming light and variable.
20% chance of thunderstorms Sunday Sunday... A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then a slight chance of showers after 1pm. Mostly sunny, with a high near 79. Chance of precipitation is 20%.
20% chance of thunderstorms Sunday Night Sunday Night... A slight chance of showers and thunderstorms. Partly cloudy, with a low around 58. Chance of precipitation is 20%.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 77.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 54.
Sunny on Tuesday Tuesday... Sunny, with a high near 75.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 56.
Sunny on Wednesday Wednesday... Sunny, with a high near 80.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 59.
20% chance of Thursday Thursday... A 20 percent chance of showers. Partly sunny, with a high near 81.
Current Radar Image


Sun Almanac for Barnett, Illinois
Sunrise: 05:33 AM
Sunset: 8:23 PM
Civil Sunrise:05:01 AM
Civil Sunset: 8:55 PM
Nautical Sunrise: 04:20 AM
Nautical Sunset: 9:35 PM
Astro Sunrise: 03:34 AM
Astro Sunset: 10:21 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.