Weather forecast for tomorrowRock Falls, IA

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 66°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 18mphSSW 194°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:30 am CDT
  • Sunset: 6:24 pm CDT
  • ▼
On Sunday, in Rock Falls, sunny conditions are also expected to continue.
Substantial temperature fluctuations from a high of a breezy 66.2°F to a low of a wintry 39.2°F are predicted.
Meteorological data shows 66.2°F is more characteristic of September's climate profile than October's.
Sunrise will be at 7:30 am and sunset at 6:24 pm; tomorrow's daylight will last for 10h and 55min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 41°C.

Chance of precipitation

Highest chance: 6 am 8%.

Hourly weather forecast

  • 12 am
  • 46°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 6mphSSW 199°
  • Humidity: 77%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 45°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 6mphSSW 196°
  • Humidity: 84%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 41°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 5mphS 189°
  • Humidity: 93%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 41°F
  • Feels like:
    37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 4mphS 175°
  • Humidity: 96%
  • Pressure: 30.3"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
Sunrise: 7:30 am
  • 8 am
  • 43°F
  • Feels like:
    41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 3mphSSE 168°
  • Humidity: 94%
  • Pressure: 30.3"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 10 am
  • 50°F
  • Feels like:
    48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 6mphS 174°
  • Humidity: 78%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 59°F
  • Feels like:
    59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphS 176°
  • Humidity: 56%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 64°F
  • Feels like:
    64°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphS 171°
  • Humidity: 47%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 64°F
  • Feels like:
    64°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphS 173°
  • Humidity: 43%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 61°F
  • Feels like:
    61°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphSSE 146°
  • Humidity: 49%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:24 pm
  • 8 pm
  • 54°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 4mphSE 131°
  • Humidity: 68%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 50°F
  • Feels like:
    48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 5mphSE 135°
  • Humidity: 79%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, a combination of gloomy and bright weather is predicted.
The temperature will vary between a minimum of 41°F and a maximum of 64.4°F. The warmest part of the day will be from 2 pm to 5 pm.
The forecasted maximum is more in line with September's typical high of 72.5°F than the average for October. The temperature low is forecasted to be close to the usual October value of 42.6°F.
Updated: Oct 18, 2026 @ 04:53:58 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, clear skies and sunshine are anticipated.

Tomorrow, the maximum temperature in Rock Falls will be 66.2°F, while the minimum temperature will be 39.2°F.
Tomorrow, the highest temperature will be moderately higher than the average maximum temperature in October. The lowest temperature tomorrow will be in line with the average low temperature.

On Sunday, in Rock Falls, sunrise will be at 7:30 am and sunset at 6:24 pm (CDT).

In Rock Falls, the length of the day tomorrow will be 10h and 55min.