Rock Falls, IA Weather Forecast
Local 7-day forecast
Chance Light Rain then Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Rock Falls, IA in one place.
A chance of rain before noon. Mostly cloudy, with a high near 50. North northwest wind 15 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
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: Oct 15, 2026 10:52 PM CDT.
The active forecast window currently covers Oct 16 to Oct 22, 2026 for Rock Falls, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 16 to Oct 22, 2026
- Latest sync
- Oct 15, 2026 10:52 PM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Rock Falls
Wednesday looks like the warmest upcoming period in Rock Falls at 72 degrees F.
Friday Night is the coolest period ahead with temperatures near 28 degrees F.
The strongest winds are forecast for Friday at about 15 to 26 mph NNW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 10:52 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
Widespread frost after 10pm. Mostly clear. Low around 28, with temperatures rising to around 30 overnight. West northwest wind 2 to 12 mph, with gusts as high as 21 mph.
Widespread frost before 10am. Sunny. High near 57, with temperatures falling to around 55 in the afternoon. South southwest wind 2 to 15 mph, with gusts as high as 22 mph.
Clear, with a low around 38. South southwest wind around 12 mph, with gusts as high as 20 mph.
Sunny, with a high near 64.
Mostly clear, with a low around 41.
Mostly sunny, with a high near 66.
Partly cloudy, with a low around 42.
Mostly sunny, with a high near 70.
Mostly clear, with a low around 47.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 72.
A chance of rain showers. Partly cloudy, with a low around 52. Chance of precipitation is 30%.
A chance of rain showers. Partly sunny, with a high near 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 16
|
Chance Light Rain then Mostly Cloudy
|
50°F |
15 to 26 mph
NNW
|
|
Friday Night
Oct 16
|
Widespread Frost
|
28°F |
2 to 12 mph
WNW
|
|
Saturday
Oct 17
|
Widespread Frost then Sunny
|
57°F |
2 to 15 mph
SSW
|
|
Saturday Night
Oct 17
|
Clear
|
38°F |
12 mph
SSW
|
|
Sunday
Oct 18
|
Sunny
|
64°F |
13 to 16 mph
SSW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
41°F |
5 to 12 mph
SSW
|
|
Monday
Oct 19
|
Mostly Sunny
|
66°F |
6 mph
S
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
42°F |
5 mph
SSE
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
70°F |
2 to 8 mph
SE
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
47°F |
6 mph
SE
|
|
Wednesday
Oct 21
|
Mostly Sunny then Slight Chance Rain Showers
|
72°F |
5 to 12 mph
SSE
|
|
Wednesday Night
Oct 21
|
Chance Rain Showers
|
52°F |
9 mph
S
|
|
Thursday
Oct 22
|
Chance Rain Showers
|
72°F |
7 to 12 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Rock Falls.