Peoria County, IL Weather Forecast
County weather hub
Slight Chance Rain Showers then Partly Sunny
Compare major city weather across Peoria County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A slight chance of rain showers between 9am and noon. Partly sunny. High near 47, with temperatures falling to around 42 in the afternoon. North northwest wind 9 to 14 mph, with gusts as high as 23 mph.
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
- Nov 12 to Nov 16, 2026
- Latest sync
- Nov 10, 2026 6:57 PM CST
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Peoria County
Monday looks like the warmest upcoming period in Peoria County at 52 degrees F.
Friday Night is the coolest period ahead with temperatures near 24 degrees F.
The strongest winds are forecast for Thursday at about 9 to 14 mph NNW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Nov 10, 2026 6:57 PM CST
- 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
Partly cloudy, with a low around 29. North northwest wind 3 to 9 mph, with gusts as high as 17 mph.
Sunny, with a high near 43. North northwest wind 6 to 10 mph, with gusts as high as 17 mph.
Mostly clear, with a low around 24.
Sunny, with a high near 46.
Mostly clear, with a low around 28.
Sunny, with a high near 49.
Partly cloudy, with a low around 32.
Mostly sunny, with a high near 52.
Mostly clear, with a low around 33.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Nov 12
|
Slight Chance Rain Showers then Partly Sunny
|
47°F |
9 to 14 mph
NNW
|
|
Thursday Night
Nov 12
|
Partly Cloudy
|
29°F |
3 to 9 mph
NNW
|
|
Friday
Nov 13
|
Sunny
|
43°F |
6 to 10 mph
NNW
|
|
Friday Night
Nov 13
|
Mostly Clear
|
24°F |
0 to 3 mph
NNW
|
|
Saturday
Nov 14
|
Sunny
|
46°F |
2 mph
NNW
|
|
Saturday Night
Nov 14
|
Mostly Clear
|
28°F |
0 mph
|
|
Sunday
Nov 15
|
Sunny
|
49°F |
0 to 3 mph
ESE
|
|
Sunday Night
Nov 15
|
Partly Cloudy
|
32°F |
2 mph
ESE
|
|
Monday
Nov 16
|
Mostly Sunny
|
52°F |
1 to 5 mph
ESE
|
|
Monday Night
Nov 16
|
Mostly Clear
|
33°F |
2 mph
ESE
|
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.