Peoria County, IL Weather Forecast
County weather hub
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.
Mostly cloudy, with a high near 69. Northeast wind around 10 mph, with gusts as high as 17 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
- Sep 23 to Sep 29, 2026
- Latest sync
- Sep 23, 2026 1:13 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 79 degrees F.
Friday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Tuesday at about 6 to 12 mph SSE.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 23, 2026 1:13 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
Mostly cloudy, with a low around 55. Northeast wind 3 to 9 mph, with gusts as high as 16 mph.
Partly sunny, with a high near 73. East northeast wind around 6 mph.
Mostly cloudy, with a low around 58. East northeast wind around 5 mph.
Partly sunny, with a high near 70. East northeast wind 2 to 6 mph.
Mostly cloudy, with a low around 54. East wind around 5 mph.
Mostly cloudy, with a high near 68. East southeast wind around 5 mph.
A slight chance of rain showers after 1am. Mostly cloudy, with a low around 55.
A slight chance of rain showers before 1pm. Partly sunny, with a high near 72.
Partly cloudy, with a low around 57.
Mostly sunny, with a high near 76.
Mostly clear, with a low around 59.
A chance of rain showers after 7am. Mostly sunny, with a high near 79.
Rain showers likely. Mostly cloudy, with a low around 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Sep 23
|
Mostly Cloudy
|
69°F |
10 mph
NE
|
|
Tonight
Sep 23
|
Mostly Cloudy
|
55°F |
3 to 9 mph
NE
|
|
Thursday
Sep 24
|
Partly Sunny
|
73°F |
6 mph
ENE
|
|
Thursday Night
Sep 24
|
Mostly Cloudy
|
58°F |
5 mph
ENE
|
|
Friday
Sep 25
|
Partly Sunny
|
70°F |
2 to 6 mph
ENE
|
|
Friday Night
Sep 25
|
Mostly Cloudy
|
54°F |
5 mph
E
|
|
Saturday
Sep 26
|
Mostly Cloudy
|
68°F |
5 mph
ESE
|
|
Saturday Night
Sep 26
|
Mostly Cloudy then Slight Chance Rain Showers
|
55°F |
3 mph
ESE
|
|
Sunday
Sep 27
|
Slight Chance Rain Showers
|
72°F |
3 mph
ESE
|
|
Sunday Night
Sep 27
|
Partly Cloudy
|
57°F |
3 mph
E
|
|
Monday
Sep 28
|
Mostly Sunny
|
76°F |
0 to 5 mph
ESE
|
|
Monday Night
Sep 28
|
Mostly Clear
|
59°F |
6 mph
SE
|
|
Tuesday
Sep 29
|
Chance Rain Showers
|
79°F |
6 to 12 mph
SSE
|
|
Tuesday Night
Sep 29
|
Rain Showers Likely
|
63°F |
10 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.
