Piatt County, IL Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Piatt County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 83. East northeast wind 6 to 10 mph.
County Weather Overview
This county weather page brings together forecast coverage for Piatt County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 4 of 4 mapped cities in Piatt County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jun 1 to Jun 6, 2026
- Latest sync
- May 31, 2026 11:24 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Piatt County
Friday looks like the warmest upcoming period in Piatt County at 85 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Friday at about 12 to 16 mph SSW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- May 31, 2026 11:24 AM 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
Partly cloudy, with a low around 57. Northeast wind around 10 mph.
Sunny, with a high near 80. East northeast wind 8 to 12 mph, with gusts as high as 16 mph.
Clear, with a low around 54. East northeast wind 6 to 10 mph.
Sunny, with a high near 80. East wind around 7 mph.
Mostly clear, with a low around 56.
Sunny, with a high near 83.
Mostly clear, with a low around 62.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Jun 1
|
Mostly Sunny
|
83°F |
6 to 10 mph
ENE
|
|
Monday Night
Jun 1
|
Partly Cloudy
|
57°F |
10 mph
NE
|
|
Tuesday
Jun 2
|
Sunny
|
80°F |
8 to 12 mph
ENE
|
|
Tuesday Night
Jun 2
|
Clear
|
54°F |
6 to 10 mph
ENE
|
|
Wednesday
Jun 3
|
Sunny
|
80°F |
7 mph
E
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
56°F |
7 mph
SSE
|
|
Thursday
Jun 4
|
Sunny
|
83°F |
6 to 12 mph
S
|
|
Thursday Night
Jun 4
|
Mostly Clear
|
62°F |
8 to 12 mph
SSW
|
|
Friday
Jun 5
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
85°F |
12 to 16 mph
SSW
|
|
Friday Night
Jun 5
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
66°F |
13 mph
SSW
|
|
Saturday
Jun 6
|
Chance Showers And Thunderstorms
|
85°F |
14 mph
SW
|
|
Saturday Night
Jun 6
|
Chance Showers And Thunderstorms
|
66°F |
8 to 12 mph
SSW
|
Major City Forecasts
Live forecast snapshots for major cities across Piatt County.
Coverage
Forecast coverage currently spans 4 of 4 mapped cities in Piatt County.
Largest mapped city population in this region: 5,557.
