Rock Falls, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Rock Falls, IL in one place.
Sunny, with a high near 83. West wind 5 to 10 mph.
Local Weather Overview
This forecast page for Rock Falls, 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: Oct 12, 2026 3:19 AM CDT.
The active forecast window currently covers Oct 13 to Oct 18, 2026 for Rock Falls, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 12, 2026 3:19 AM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Rock Falls
Tuesday looks like the warmest upcoming period in Rock Falls at 83 degrees F.
Friday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Friday at about 15 to 25 mph NW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 12, 2026 3:19 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- DVN
- Radar station
- KDVN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely after 7pm. Mostly cloudy, with a low around 60. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Rain showers likely. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
A slight chance of rain showers. Mostly cloudy, with a low around 54.
Rain showers likely. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.
Rain showers likely. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.
A slight chance of rain showers before 7am. Partly sunny, with a high near 59.
Partly cloudy, with a low around 35.
Sunny, with a high near 56.
Clear, with a low around 36.
Sunny, with a high near 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Sunny
|
83°F |
5 to 10 mph
W
|
|
Tuesday Night
Oct 13
|
Showers And Thunderstorms Likely
|
60°F |
0 to 5 mph
N
|
|
Wednesday
Oct 14
|
Rain Showers Likely
|
73°F |
5 to 10 mph
NE
|
|
Wednesday Night
Oct 14
|
Slight Chance Rain Showers
|
54°F |
5 to 10 mph
NE
|
|
Thursday
Oct 15
|
Rain Showers Likely
|
68°F |
10 mph
E
|
|
Thursday Night
Oct 15
|
Rain Showers Likely
|
48°F |
5 to 15 mph
NE
|
|
Friday
Oct 16
|
Slight Chance Rain Showers then Partly Sunny
|
59°F |
15 to 25 mph
NW
|
|
Friday Night
Oct 16
|
Partly Cloudy
|
35°F |
5 to 20 mph
NW
|
|
Saturday
Oct 17
|
Sunny
|
56°F |
5 mph
NW
|
|
Saturday Night
Oct 17
|
Clear
|
36°F |
0 to 5 mph
SW
|
|
Sunday
Oct 18
|
Sunny
|
63°F |
5 to 15 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Rock Falls.
