Pecatonica, IL Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers then Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Pecatonica, IL in one place.
A slight chance of rain showers before 7am. Partly sunny, with a high near 56. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. New rainfall amounts between a quarter and half of an inch possible.
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: Apr 9, 2026 10:09 PM CDT.
The active forecast window currently covers Apr 10 to Apr 16, 2026 for Pecatonica, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 10 to Apr 16, 2026
- Latest sync
- Apr 9, 2026 10:09 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Pecatonica
Tuesday looks like the warmest upcoming period in Pecatonica at 79 degrees F.
Friday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Sunday at about 15 to 25 mph SSW.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 10:09 PM CDT
- Coverage
- 7 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
Mostly clear, with a low around 34. Northeast wind around 5 mph, with gusts as high as 10 mph.
A slight chance of rain showers after 1pm. Partly sunny, with a high near 59. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 51. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
A chance of rain showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 72. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 77.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Mostly cloudy, with a high near 79.
Showers and thunderstorms. Mostly cloudy, with a low around 56.
Showers and thunderstorms likely. Partly sunny, with a high near 69.
A chance of showers and thunderstorms. Partly cloudy, with a low around 48.
A slight chance of rain showers. Mostly sunny, with a high near 73.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Apr 10
|
Slight Chance Rain Showers then Partly Sunny
|
56°F |
5 to 10 mph
N
|
|
Friday Night
Apr 10
|
Mostly Clear
|
34°F |
5 mph
NE
|
|
Saturday
Apr 11
|
Partly Sunny then Slight Chance Rain Showers
|
59°F |
5 to 10 mph
SE
|
|
Saturday Night
Apr 11
|
Chance Showers And Thunderstorms
|
51°F |
10 to 15 mph
SSE
|
|
Sunday
Apr 12
|
Chance Showers And Thunderstorms
|
72°F |
15 to 25 mph
SSW
|
|
Sunday Night
Apr 12
|
Chance Showers And Thunderstorms
|
61°F |
15 to 25 mph
SW
|
|
Monday
Apr 13
|
Chance Showers And Thunderstorms
|
77°F |
15 mph
SW
|
|
Monday Night
Apr 13
|
Chance Showers And Thunderstorms
|
64°F |
15 mph
SSW
|
|
Tuesday
Apr 14
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
79°F |
15 mph
SSW
|
|
Tuesday Night
Apr 14
|
Showers And Thunderstorms
|
56°F |
15 mph
SSW
|
|
Wednesday
Apr 15
|
Showers And Thunderstorms Likely
|
69°F |
15 to 20 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
48°F |
10 to 15 mph
SW
|
|
Thursday
Apr 16
|
Slight Chance Rain Showers
|
73°F |
10 to 15 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Pecatonica.
