Pecatonica, IL Weather Forecast
Local 7-day forecast
Chance Rain Showers then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Pecatonica, IL in one place.
A chance of rain showers before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 90. South southwest wind 10 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 50%.
Local Weather Overview
This forecast page for Pecatonica, 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 8, 2026 4:57 PM CDT.
The active forecast window currently covers Jun 10 to Jun 14, 2026 for Pecatonica, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 10 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 4:57 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Pecatonica
Wednesday looks like the warmest upcoming period in Pecatonica at 90 degrees F.
Sunday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Wednesday at about 10 to 25 mph SSW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 4:57 PM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KMKX
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 showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 80%.
Showers and thunderstorms. Mostly sunny, with a high near 84.
Showers and thunderstorms before 1am. Partly cloudy, with a low around 56.
Sunny, with a high near 82.
Mostly clear, with a low around 59.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 83.
A chance of showers and thunderstorms. Partly cloudy, with a low around 57.
A chance of showers and thunderstorms. Mostly sunny, with a high near 77.
A slight chance of rain showers. Partly cloudy, with a low around 53.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 10
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
90°F |
10 to 25 mph
SSW
|
|
Wednesday Night
Jun 10
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
67°F |
5 to 25 mph
SW
|
|
Thursday
Jun 11
|
Showers And Thunderstorms
|
84°F |
5 to 20 mph
SSW
|
|
Thursday Night
Jun 11
|
Showers And Thunderstorms
|
56°F |
5 to 20 mph
W
|
|
Friday
Jun 12
|
Sunny
|
82°F |
5 to 20 mph
W
|
|
Friday Night
Jun 12
|
Mostly Clear
|
59°F |
5 to 15 mph
WSW
|
|
Saturday
Jun 13
|
Sunny then Slight Chance Showers And Thunderstorms
|
83°F |
5 to 15 mph
W
|
|
Saturday Night
Jun 13
|
Chance Showers And Thunderstorms
|
57°F |
5 to 10 mph
NW
|
|
Sunday
Jun 14
|
Chance Showers And Thunderstorms
|
77°F |
5 to 15 mph
NNW
|
|
Sunday Night
Jun 14
|
Slight Chance Rain Showers
|
53°F |
5 to 10 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Pecatonica.
