Warren County, IL Weather Forecast
County weather hub
Chance Showers And Thunderstorms
Compare major city weather across Warren County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of rain showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then showers and thunderstorms likely. Partly sunny, with a high near 82. Chance of precipitation is 70%.
County Weather Overview
This county weather page brings together forecast coverage for Warren 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 Warren County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 14 to Apr 16, 2026
- Latest sync
- Apr 10, 2026 11:39 AM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Warren County
Tuesday looks like the warmest upcoming period in Warren County at 82 degrees F.
Thursday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Tuesday at about 15 to 20 mph SW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 10, 2026 11:39 AM CDT
- Coverage
- 3 days
- Time zone
- America/Chicago
- Forecast office
- DVN
- Radar station
- KDVN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
A chance of showers and thunderstorms. Partly sunny, with a high near 74. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
A chance of rain showers. Mostly sunny, with a high near 77. Chance of precipitation is 30%.
A chance of rain showers. Partly cloudy, with a low around 53. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Apr 14
|
Chance Showers And Thunderstorms
|
82°F |
15 to 20 mph
SW
|
|
Tuesday Night
Apr 14
|
Showers And Thunderstorms Likely
|
59°F |
15 to 20 mph
SW
|
|
Wednesday
Apr 15
|
Chance Showers And Thunderstorms
|
74°F |
15 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
54°F |
10 to 15 mph
SW
|
|
Thursday
Apr 16
|
Chance Rain Showers
|
77°F |
10 to 15 mph
S
|
|
Thursday Night
Apr 16
|
Chance Rain Showers
|
53°F |
10 mph
W
|
Major City Forecasts
Live forecast snapshots for major cities across Warren County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Warren County.
Largest mapped city population in this region: 8,801.