Jersey County, IL Weather Forecast
County weather hub
Chance Rain Showers
Compare major city weather across Jersey County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 71. Southeast wind 7 to 10 mph. Chance of precipitation is 40%.
County Weather Overview
This county weather page brings together forecast coverage for Jersey County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 1 of 1 mapped cities in Jersey County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 11 to Apr 16, 2026
- Latest sync
- Apr 9, 2026 11:44 PM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Jersey County
Tuesday looks like the warmest upcoming period in Jersey County at 84 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Sunday at about 10 to 20 mph S.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 11:44 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KLSX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 60. Southeast wind around 10 mph. Chance of precipitation is 30%.
A chance of rain showers after 1pm. Mostly cloudy, with a high near 78. Chance of precipitation is 30%.
A chance of rain showers before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Showers and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
A chance of rain showers. Mostly sunny, with a high near 78. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Chance Rain Showers
|
71°F |
7 to 10 mph
SE
|
|
Saturday Night
Apr 11
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
60°F |
10 mph
SE
|
|
Sunday
Apr 12
|
Mostly Cloudy then Chance Rain Showers
|
78°F |
10 to 20 mph
S
|
|
Sunday Night
Apr 12
|
Showers And Thunderstorms Likely
|
63°F |
16 mph
S
|
|
Monday
Apr 13
|
Showers And Thunderstorms Likely
|
83°F |
13 to 16 mph
SW
|
|
Monday Night
Apr 13
|
Slight Chance Showers And Thunderstorms
|
67°F |
15 mph
S
|
|
Tuesday
Apr 14
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
84°F |
13 to 17 mph
SW
|
|
Tuesday Night
Apr 14
|
Chance Showers And Thunderstorms
|
64°F |
15 mph
S
|
|
Wednesday
Apr 15
|
Showers And Thunderstorms Likely
|
79°F |
14 to 17 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
55°F |
8 to 13 mph
SW
|
|
Thursday
Apr 16
|
Chance Rain Showers
|
78°F |
8 to 12 mph
S
|
Major City Forecasts
Live forecast snapshots for major cities across Jersey County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Jersey County.
Largest mapped city population in this region: 8,111.
