Peoria County, IL Weather Forecast
County weather hub
Sunny
Compare major city weather across Peoria County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 75. North northwest wind 1 to 5 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
- Oct 8 to Oct 14, 2026
- Latest sync
- Oct 7, 2026 8:30 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Peoria County
Saturday looks like the warmest upcoming period in Peoria County at 84 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 45 degrees F.
The strongest winds are forecast for Monday Night at about 9 to 14 mph W.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 7, 2026 8:30 PM CDT
- Coverage
- 7 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 55. Northeast wind around 2 mph.
A slight chance of rain showers between 7am and 1pm. Mostly sunny, with a high near 80. Southeast wind 2 to 10 mph, with gusts as high as 18 mph.
Mostly clear, with a low around 61. South wind around 9 mph, with gusts as high as 20 mph.
Sunny, with a high near 84. South wind 6 to 10 mph, with gusts as high as 17 mph.
Partly cloudy, with a low around 57. Southeast wind 3 to 8 mph, with gusts as high as 16 mph.
Partly sunny, with a high near 77.
Partly cloudy, with a low around 58.
Mostly sunny, with a high near 82.
A slight chance of rain showers after 7pm. Partly cloudy, with a low around 52.
A slight chance of rain showers before 1pm. Mostly sunny, with a high near 67.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 45.
A slight chance of rain showers. Mostly sunny, with a high near 65.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 8
|
Sunny
|
75°F |
1 to 5 mph
NNW
|
|
Thursday Night
Oct 8
|
Partly Cloudy
|
55°F |
2 mph
NE
|
|
Friday
Oct 9
|
Slight Chance Rain Showers
|
80°F |
2 to 10 mph
SE
|
|
Friday Night
Oct 9
|
Mostly Clear
|
61°F |
9 mph
S
|
|
Saturday
Oct 10
|
Sunny
|
84°F |
6 to 10 mph
S
|
|
Saturday Night
Oct 10
|
Partly Cloudy
|
57°F |
3 to 8 mph
SE
|
|
Sunday
Oct 11
|
Partly Sunny
|
77°F |
2 to 6 mph
SSE
|
|
Sunday Night
Oct 11
|
Partly Cloudy
|
58°F |
2 mph
SSE
|
|
Columbus Day
Oct 12
|
Mostly Sunny
|
82°F |
3 to 10 mph
SW
|
|
Monday Night
Oct 12
|
Slight Chance Rain Showers
|
52°F |
9 to 14 mph
W
|
|
Tuesday
Oct 13
|
Slight Chance Rain Showers
|
67°F |
10 to 14 mph
NNW
|
|
Tuesday Night
Oct 13
|
Partly Cloudy then Slight Chance Rain Showers
|
45°F |
5 to 9 mph
N
|
|
Wednesday
Oct 14
|
Slight Chance Rain Showers
|
65°F |
5 to 8 mph
SSE
|
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.
