Water Valley, Illinois Weather
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Weather Forecast for Water Valley, Illinois : Union County
Issued: 2:46 am CDT Sep 16, 2025 Latitude: 37.5586613 Longitude: -89.1753588 View on Google Maps

MouseOver for Detail Forecast
Overnight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Mostly Clear on Overnight Morning Fog on Tuesday Sunny on Wednesday Sunny on Thursday 10% chance of thunderstorms on Friday 20% chance of thunderstorms on Saturday 20% chance of thunderstorms on Sunday 20% chance of thunderstorms on Monday
Low: 68°F High: 91°F High: 91°F High: 92°F High: 89°F High: 84°F High: 84°F High: 84°F
Low: 66°F Low: 65°F Low: 66°F Low: 66°F Low: 65°F Low: 66°F  
Mostly Clear Morning Fog Sunny Sunny Thunderstorms Thunderstorms Thunderstorms Thunderstorms
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Current Conditions at
CARBONDALE - (KMDH)
66°
Clear
Mist
as of 2:52 AM CDST
Rel. Humidity: 93%
Dew Point: 64°F
Visibility: 5 Miles
Pressure: 30.08 in.
Flight Rule: MVFR
Wind Data
3 MPH
350° North
Cloud Level(s): Clear
Current Conditions at
MARION - (KMWA)
66°
Clear
as of 3:35 AM CDST
Rel. Humidity: 93%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
CAIRO - (KCIR)
68°
Clear
as of 3:35 AM CDST
Rel. Humidity: 93%
Dew Point: 66°F
Visibility: 7 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Mostly Clear on Overnight Overnight... Mostly clear, with a low around 68. Calm wind.
Morning Fog on Tuesday Tuesday... Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 91. Light east northeast wind.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 66. Calm wind.
Sunny on Wednesday Wednesday... Sunny, with a high near 91. Light east northeast wind.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 65. Calm wind.
Sunny on Thursday Thursday... Sunny, with a high near 92. Calm wind becoming south around 5 mph.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 66. Calm wind.
10% chance of thunderstorms Friday Friday... A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. Calm wind becoming south around 6 mph in the afternoon.
20% chance of thunderstorms Friday Night Friday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Calm wind.
20% chance of thunderstorms Saturday Saturday... A chance of showers and thunderstorms. Mostly sunny, with a high near 84. Calm wind becoming south southwest around 6 mph in the afternoon.
10% chance of rain Saturday Night Saturday Night... A slight chance of showers. Partly cloudy, with a low around 65. Calm wind.
20% chance of thunderstorms Sunday Sunday... A chance of showers and thunderstorms. Mostly sunny, with a high near 84. Calm wind becoming south 5 to 7 mph in the morning.
20% chance of rain Sunday Night Sunday Night... A chance of showers. Partly cloudy, with a low around 66. Light south southeast wind.
20% chance of thunderstorms Monday Monday... A chance of showers and thunderstorms. Mostly sunny, with a high near 84. South wind 3 to 7 mph.
Current Radar Image


Sun Almanac for Water Valley, Illinois
Sunrise: 06:40 AM
Sunset: 7:03 PM
Civil Sunrise:06:14 AM
Civil Sunset: 7:29 PM
Nautical Sunrise: 05:43 AM
Nautical Sunset: 8:00 PM
Astro Sunrise: 05:12 AM
Astro Sunset: 8:31 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.