Weather forecast for todayRock Falls, IL

Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

Weather forecast for today

Current condition 8:26 pm CDT

  • 46°F
  • Feels like:
    46°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 2mphESE 120°
  • Humidity: 58%
  • Dewpoint: 32°F
  • Pressure: 30.44"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
In Rock Falls, currently, pristine clear weather creates an ideal outdoor setting.
The temperature is a chilly 46.4°F. The current temperature is a few degrees off the lowest forecasted temperature.

Saturday Oct 17, 2026

  • min.
  • 39°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 7mphSSW 193°
  • Humidity: 71%
  • UV index: 0
  • Sunrise: 7:13 am CDT
  • Sunset: 6:14 pm CDT
  • ▼
In Rock Falls, for the rest of the night, the weather will remain pristine and clear.
The lowest forecasted temperature is a wintry 39.2°F.
Sunrise was at 7:13 am and sunset at 6:14 pm; the daylight lasted for 11h and 1min.

Hourly overview

Hourly temperatures

Warmest hour: 9 pm 45°C.
Coldest hour: 5 am 39°C.

Chance of precipitation

Highest chance: 4 am - 5 am 3%.

Hourly weather forecast

  • 9 pm
  • 45°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSSW 196°
  • Humidity: 61%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 43°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphS 187°
  • Humidity: 67%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 43°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSSW 193°
  • Humidity: 69%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 12 am
  • 43°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphS 191°
  • Humidity: 69%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 1 am
  • 41°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphSSW 198°
  • Humidity: 72%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 41°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphSSW 193°
  • Humidity: 74%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 3 am
  • 41°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphSSW 196°
  • Humidity: 74%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 41°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphSSW 193°
  • Humidity: 76%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 5 am
  • 39°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 7mphS 190°
  • Humidity: 76%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 39°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphS 189°
  • Humidity: 77%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
For the rest of the night, the weather will be unstable. The temperature will vary between a maximum of 44.6°F and a minimum of 42.8°F.
Updated: Oct 18, 2026 @ 01:26:27 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (8:26 pm CDT) it is 46.4°F in Rock Falls.

Today, the sky will remain completely clear.

On Saturday, in Rock Falls, sunrise was at 7:13 am and sunset at 6:14 pm (CDT).

Today in Rock Falls, the length of the day was 11h and 1min.
Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

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Rock Falls, Illinois, USA

  • en: Rock Falls, Illinois, USA
  • es: Rock Falls, Illinois, EE.UU.
  • hr: Rok Fols, Ilinois, SAD
  • mk: Rok Fols, Ilinois, SAD
  • sr: Rok Fols, Ilinois, SAD
  • zh: 罗克福尔斯, 伊利诺伊, 美国
  • Latitude: 41.779753°
  • Longitude: -89.688997°
  • Elevation: 643 ft
  • Current time: 8:26pm CDT
  • Sunrise: 7:13 am CDT
  • Sunset: 6:14 pm CDT
  • Timezone: America/Chicago

Nearby Rock Falls, Illinois, USA

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