Rock Falls, IA Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers then Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Rock Falls, IA in one place.
A slight chance of rain showers before 7am. Sunny, with a high near 47. Northwest wind 18 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Rock Falls, IA 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 16, 2026 8:09 AM CDT.
The active forecast window currently covers Apr 18 to Apr 22, 2026 for Rock Falls, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 18 to Apr 22, 2026
- Latest sync
- Apr 16, 2026 8:09 AM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Rock Falls
Tuesday looks like the warmest upcoming period in Rock Falls at 72 degrees F.
Saturday Night is the coolest period ahead with temperatures near 28 degrees F.
The strongest winds are forecast for Saturday at about 18 to 22 mph NW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 16, 2026 8:09 AM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- DMX
- Radar station
- KARX
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 28.
Sunny, with a high near 53.
Mostly clear, with a low around 31.
Sunny, with a high near 65.
Mostly clear, with a low around 46.
Sunny, with a high near 72.
Mostly clear, with a low around 46.
Sunny, with a high near 71.
A chance of rain showers after 7pm. Partly cloudy, with a low around 48.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 18
|
Slight Chance Rain Showers then Sunny
|
47°F |
18 to 22 mph
NW
|
|
Saturday Night
Apr 18
|
Mostly Clear
|
28°F |
7 to 20 mph
WNW
|
|
Sunday
Apr 19
|
Sunny
|
53°F |
7 to 14 mph
NW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
31°F |
6 to 10 mph
ENE
|
|
Monday
Apr 20
|
Sunny
|
65°F |
8 to 17 mph
SSE
|
|
Monday Night
Apr 20
|
Mostly Clear
|
46°F |
13 to 16 mph
SSW
|
|
Tuesday
Apr 21
|
Sunny
|
72°F |
12 to 15 mph
WSW
|
|
Tuesday Night
Apr 21
|
Mostly Clear
|
46°F |
9 to 14 mph
SSW
|
|
Wednesday
Apr 22
|
Sunny
|
71°F |
9 to 15 mph
S
|
|
Wednesday Night
Apr 22
|
Chance Rain Showers
|
48°F |
15 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Rock Falls.