Rock Island County, IL Weather Forecast
County weather hub
Showers And Thunderstorms
Compare major city weather across Rock Island County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Showers and thunderstorms. Partly sunny, with a high near 77. Chance of precipitation is 80%.
County Weather Overview
This county weather page brings together forecast coverage for Rock Island County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 9 of 9 mapped cities in Rock Island County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 14 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 5:58 AM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Rock Island County
Tuesday looks like the warmest upcoming period in Rock Island County at 77 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Tuesday at about 15 mph SW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 5:58 AM CDT
- Coverage
- 2 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. Mostly cloudy, with a low around 52. Chance of precipitation is 80%.
Rain showers likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 67. Chance of precipitation is 60%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Apr 14
|
Showers And Thunderstorms
|
77°F |
15 mph
SW
|
|
Tuesday Night
Apr 14
|
Showers And Thunderstorms
|
52°F |
10 to 15 mph
SW
|
|
Wednesday
Apr 15
|
Rain Showers Likely
|
67°F |
10 to 15 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Rock Island County.
Coverage
Forecast coverage currently spans 9 of 9 mapped cities in Rock Island County.
Largest mapped city population in this region: 41,065.
