Pecatonica, IL Weather Forecast
Local 7-day forecast
Chance Rain And Snow Showers then Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Pecatonica, IL in one place.
A chance of rain showers before 8am, then a chance of rain and snow showers between 8am and noon. Partly sunny. High near 43, with temperatures falling to around 40 in the afternoon. North wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
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: Nov 11, 2026 11:52 AM CST.
The active forecast window currently covers Nov 12 to Nov 17, 2026 for Pecatonica, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 12 to Nov 17, 2026
- Latest sync
- Nov 11, 2026 11:52 AM CST
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Pecatonica
Tuesday looks like the warmest upcoming period in Pecatonica at 51 degrees F.
Friday Night is the coolest period ahead with temperatures near 22 degrees F.
The strongest winds are forecast for Thursday at about 15 to 20 mph N.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Nov 11, 2026 11:52 AM CST
- 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
Partly cloudy, with a low around 27. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Mostly sunny, with a high near 42. North northwest wind 10 to 15 mph.
Mostly clear, with a low around 22.
Sunny, with a high near 45.
Mostly clear, with a low around 22.
Sunny, with a high near 47.
Mostly clear, with a low around 25.
Mostly sunny, with a high near 48.
Mostly clear, with a low around 27.
Sunny, with a high near 51.
Mostly clear, with a low around 29.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Nov 12
|
Chance Rain And Snow Showers then Partly Sunny
|
43°F |
15 to 20 mph
N
|
|
Thursday Night
Nov 12
|
Partly Cloudy
|
27°F |
5 to 10 mph
NNW
|
|
Friday
Nov 13
|
Mostly Sunny
|
42°F |
10 to 15 mph
NNW
|
|
Friday Night
Nov 13
|
Mostly Clear
|
22°F |
5 mph
NNW
|
|
Saturday
Nov 14
|
Sunny
|
45°F |
0 to 5 mph
N
|
|
Saturday Night
Nov 14
|
Mostly Clear
|
22°F |
0 mph
|
|
Sunday
Nov 15
|
Sunny
|
47°F |
0 mph
|
|
Sunday Night
Nov 15
|
Mostly Clear
|
25°F |
0 mph
|
|
Monday
Nov 16
|
Mostly Sunny
|
48°F |
0 to 5 mph
SSE
|
|
Monday Night
Nov 16
|
Mostly Clear
|
27°F |
0 mph
|
|
Tuesday
Nov 17
|
Sunny
|
51°F |
0 to 5 mph
S
|
|
Tuesday Night
Nov 17
|
Mostly Clear
|
29°F |
5 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Pecatonica.
