Jerseyville, Illinois Weather
your sport, your way
Air Sports Net on FacebookAir Sports Net on Google +Air Sports Net on TwitterReceive RSS UpdatesReceive Email Updates

Click for Hazardous Weather Outlook for Jerseyville, Illinois
Change location by the zip code or city,state: or search for other weather forecast locations in Illinois by name.
Weather Forecast for Jerseyville, Illinois : Jersey County
Issued: 10:26 pm CDT Sep 15, 2025 Latitude: 39.1200471 Longitude: -90.3284479 View on Google Maps

MouseOver for Detail Forecast
Overnight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Cloudy on Overnight Sunny on Tuesday Sunny on Wednesday Mostly Sunny on Thursday 40% chance of thunderstorms on Friday 30% chance of thunderstorms on Saturday 30% chance of thunderstorms on Sunday 20% chance of thunderstorms on Monday
Low: 64°F High: 91°F High: 91°F High: 92°F High: 84°F High: 83°F High: 80°F High: 83°F
Low: 62°F Low: 63°F Low: 66°F Low: 63°F Low: 63°F Low: 63°F  
Cloudy Sunny Sunny Mostly Sunny Thunderstorms Thunderstorms Thunderstorms Thunderstorms
-
Current Conditions at
ST CHARLES - (KSET)
66°
Clear
as of 12:54 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
ALTON - (KALN)
72°
Clear
as of 12:55 AM CDST
Rel. Humidity: 73%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
ST LOUIS - (KSTL)
75°
Mostly Cloudy
as of 12:51 AM CDST
Rel. Humidity: 69%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Broken at 25000ft
Current Conditions at
LITCHFIELD MUNI ARP - (K3LF)
66°
Clear
as of 12:55 AM CDST
Rel. Humidity: 72%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Cloudy on Overnight Overnight... Partly cloudy, with a low around 64. Light northeast wind.
Sunny on Tuesday Tuesday... Sunny, with a high near 91. Calm wind becoming northeast around 6 mph in the afternoon.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 62. Northeast wind 3 to 5 mph.
Sunny on Wednesday Wednesday... Sunny, with a high near 91. Light east wind.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 63. Light southeast wind.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 92.
30% chance of rain Thursday Night Thursday Night... A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 66.
40% chance of thunderstorms Friday Friday... A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. Chance of precipitation is 40%.
30% chance of rain Friday Night Friday Night... A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 63.
30% chance of thunderstorms Saturday Saturday... A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
30% chance of thunderstorms Saturday Night Saturday Night... A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
30% chance of thunderstorms Sunday Sunday... A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
20% chance of rain Sunday Night Sunday Night... A 20 percent chance of showers. Partly cloudy, with a low around 63.
20% chance of thunderstorms Monday Monday... A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Current Radar Image


Sun Almanac for Jerseyville, Illinois
Sunrise: 06:44 AM
Sunset: 7:08 PM
Civil Sunrise:06:17 AM
Civil Sunset: 7:35 PM
Nautical Sunrise: 05:46 AM
Nautical Sunset: 8:06 PM
Astro Sunrise: 05:14 AM
Astro Sunset: 8:38 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.