Rock Falls, IA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Rock Falls, IA in one place.
Mostly sunny. High near 91, with temperatures falling to around 89 in the afternoon. Southwest wind around 10 mph.
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: Jul 17, 2026 3:38 PM CDT.
The active forecast window currently covers Jul 17 to Jul 23, 2026 for Rock Falls, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 17 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 3:38 PM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Rock Falls
Monday looks like the warmest upcoming period in Rock Falls at 93 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Tuesday at about 14 to 21 mph NW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 3:38 PM CDT
- Coverage
- 7 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. Low around 72, with temperatures rising to around 74 overnight. West southwest wind 6 to 9 mph.
Sunny, with a high near 85. North northwest wind around 9 mph.
Partly cloudy, with a low around 63. Northeast wind 2 to 7 mph.
Mostly sunny, with a high near 86. Southeast wind 2 to 7 mph.
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 10am, then a chance of showers and thunderstorms between 10am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68. Chance of precipitation is 50%.
Sunny, with a high near 81.
Mostly clear, with a low around 58.
Sunny, with a high near 78.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 57.
A slight chance of rain showers before 1pm. Sunny, with a high near 80.
Partly cloudy, with a low around 61.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Jul 17
|
Mostly Sunny
|
91°F |
10 mph
SW
|
|
Tonight
Jul 17
|
Mostly Clear
|
72°F |
6 to 9 mph
WSW
|
|
Saturday
Jul 18
|
Sunny
|
85°F |
9 mph
NNW
|
|
Saturday Night
Jul 18
|
Partly Cloudy
|
63°F |
2 to 7 mph
NE
|
|
Sunday
Jul 19
|
Mostly Sunny
|
86°F |
2 to 7 mph
SE
|
|
Sunday Night
Jul 19
|
Partly Cloudy then Chance Showers And Thunderstorms
|
70°F |
7 to 10 mph
S
|
|
Monday
Jul 20
|
Chance Showers And Thunderstorms
|
93°F |
12 mph
SW
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
68°F |
9 to 13 mph
WNW
|
|
Tuesday
Jul 21
|
Sunny
|
81°F |
14 to 21 mph
NW
|
|
Tuesday Night
Jul 21
|
Mostly Clear
|
58°F |
6 to 16 mph
NNW
|
|
Wednesday
Jul 22
|
Sunny
|
78°F |
6 mph
NNW
|
|
Wednesday Night
Jul 22
|
Partly Cloudy then Slight Chance Rain Showers
|
57°F |
3 mph
W
|
|
Thursday
Jul 23
|
Slight Chance Rain Showers
|
80°F |
6 mph
WSW
|
|
Thursday Night
Jul 23
|
Partly Cloudy
|
61°F |
6 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Rock Falls.