Peoria County, IL Weather Forecast
County weather hub
Chance Showers And Thunderstorms then Mostly Cloudy
Compare major city weather across Peoria County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of showers and thunderstorms before 10am. Mostly cloudy, with a high near 62. North northwest wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for Peoria County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 6 of 6 mapped cities in Peoria County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 10 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 2:33 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Peoria County
Tuesday looks like the warmest upcoming period in Peoria County at 84 degrees F.
Friday Night is the coolest period ahead with temperatures near 40 degrees F.
The strongest winds are forecast for Sunday at about 10 to 21 mph SSW.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 2:33 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 40. Northeast wind around 6 mph.
A slight chance of rain showers after 1pm. Partly sunny, with a high near 64. East southeast wind 6 to 10 mph, with gusts as high as 17 mph.
A slight chance of rain showers before 7pm. Mostly cloudy, with a low around 56. South southeast wind around 10 mph, with gusts as high as 23 mph.
A slight chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 76. South southwest wind 10 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Showers and thunderstorms likely. Partly sunny, with a high near 84.
Showers and thunderstorms likely. Mostly cloudy, with a low around 62.
Rain showers likely before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 76.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Apr 10
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
62°F |
7 to 10 mph
NNW
|
|
Friday Night
Apr 10
|
Mostly Clear
|
40°F |
6 mph
NE
|
|
Saturday
Apr 11
|
Partly Sunny then Slight Chance Rain Showers
|
64°F |
6 to 10 mph
ESE
|
|
Saturday Night
Apr 11
|
Slight Chance Rain Showers then Mostly Cloudy
|
56°F |
10 mph
SSE
|
|
Sunday
Apr 12
|
Chance Showers And Thunderstorms
|
76°F |
10 to 21 mph
SSW
|
|
Sunday Night
Apr 12
|
Chance Showers And Thunderstorms
|
62°F |
13 to 17 mph
SSW
|
|
Monday
Apr 13
|
Chance Showers And Thunderstorms
|
81°F |
12 to 15 mph
SSW
|
|
Monday Night
Apr 13
|
Chance Showers And Thunderstorms
|
66°F |
13 mph
SSW
|
|
Tuesday
Apr 14
|
Showers And Thunderstorms Likely
|
84°F |
10 to 16 mph
SSW
|
|
Tuesday Night
Apr 14
|
Showers And Thunderstorms Likely
|
62°F |
14 mph
SSW
|
|
Wednesday
Apr 15
|
Chance Showers And Thunderstorms
|
76°F |
12 to 16 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
54°F |
7 to 13 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Peoria County.
Coverage
Forecast coverage currently spans 6 of 6 mapped cities in Peoria County.
Largest mapped city population in this region: 109,428.
