Peru, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Peru, IL in one place.
Showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 80%.
Local Weather Overview
This forecast page for Peru, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jun 4, 2026 1:41 AM CDT.
The active forecast window currently covers Jun 6 to Jun 10, 2026 for Peru, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 6 to Jun 10, 2026
- Latest sync
- Jun 4, 2026 1:41 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Peru
Wednesday looks like the warmest upcoming period in Peru at 90 degrees F.
Saturday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Saturday at about 5 to 10 mph WSW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 4, 2026 1:41 AM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 64.
A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 65.
A slight chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88.
A chance of showers and thunderstorms. Partly cloudy, with a low around 66.
A slight chance of rain showers before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 89.
A chance of showers and thunderstorms. Partly cloudy, with a low around 67.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jun 6
|
Showers And Thunderstorms then Chance Showers And Thunderstorms
|
86°F |
5 to 10 mph
WSW
|
|
Saturday Night
Jun 6
|
Chance Showers And Thunderstorms
|
64°F |
0 to 5 mph
ENE
|
|
Sunday
Jun 7
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
86°F |
5 to 10 mph
E
|
|
Sunday Night
Jun 7
|
Slight Chance Showers And Thunderstorms
|
65°F |
5 to 10 mph
ESE
|
|
Monday
Jun 8
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
88°F |
10 mph
ESE
|
|
Monday Night
Jun 8
|
Chance Showers And Thunderstorms
|
66°F |
5 to 10 mph
ESE
|
|
Tuesday
Jun 9
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
89°F |
5 to 10 mph
SE
|
|
Tuesday Night
Jun 9
|
Chance Showers And Thunderstorms
|
67°F |
5 to 10 mph
SE
|
|
Wednesday
Jun 10
|
Slight Chance Showers And Thunderstorms
|
90°F |
5 to 10 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Peru.