Weather forecast for tomorrowRock Falls, IL
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 13mphSSW 197°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:14 am CDT
- Sunset: 6:12 pm CDT
- details ▼
Tomorrow, in Rock Falls, expect bright skies and plenty of sunshine.
Temperatures will see a substantial oscillation, reaching a high of an enjoyable 66.2°F and dropping to a low of an icy 37.4°F.
Tomorrow, the predicted peak temperature is set to be a few degrees higher than the typical October temperature of 60.6°F.
Sunrise will be at 7:14 am and sunset at 6:12 pm; tomorrow's daylight will last for 10h and 58min.
Temperatures will see a substantial oscillation, reaching a high of an enjoyable 66.2°F and dropping to a low of an icy 37.4°F.
Tomorrow, the predicted peak temperature is set to be a few degrees higher than the typical October temperature of 60.6°F.
Sunrise will be at 7:14 am and sunset at 6:12 pm; tomorrow's daylight will last for 10h and 58min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 39°C.
Coldest hour: 6 am 39°C.
Chance of precipitation
Highest chance: 6 am 4%.
Hourly weather forecast
- 12 am
- 43°F
- Feels like:43°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphSSW 192°
- Humidity: 67%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphSSW 194°
- Humidity: 76%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 39°F
- Feels like:36°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphSSW 192°
- Humidity: 77%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:36°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphS 189°
- Humidity: 78%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:14 am
- 8 am
- 41°F
- Feels like:37°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 8mphSSW 192°
- Humidity: 79%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 52°F
- Feels like:48°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 11mphSSW 196°
- Humidity: 59%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 59°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 13mphSSW 200°
- Humidity: 44%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphSSW 203°
- Humidity: 38%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 64°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphSSW 196°
- Humidity: 38%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 59°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphS 181°
- Humidity: 44%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:12 pm
- 8 pm
- 54°F
- Feels like:52°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphS 173°
- Humidity: 57%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:46°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphS 177°
- Humidity: 67%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, mainly sunny weather and a cloudless sky are anticipated.
The temperature will vary between a minimum of 39.2°F and a maximum of 64.4°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum temperature will be a few degrees higher than October's average high of 60.6°F. Forecast models suggest a low more alike with November's typical minimum of 32.4°F than October's usual 44.6°F.
The temperature will vary between a minimum of 39.2°F and a maximum of 64.4°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum temperature will be a few degrees higher than October's average high of 60.6°F. Forecast models suggest a low more alike with November's typical minimum of 32.4°F than October's usual 44.6°F.
Updated: Oct 18, 2026 @ 03:30:15 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, in Rock Falls, sunny and dry conditions are anticipated.
Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 37.4°F.
The maximum temperature tomorrow will be slightly warmer than the average highest temperature in October. The lowest temperature will be also a couple of degrees lower than the average low of 44.6°F.
The maximum temperature tomorrow will be slightly warmer than the average highest temperature in October. The lowest temperature will be also a couple of degrees lower than the average low of 44.6°F.
On Sunday, in Rock Falls, sunrise will be at 7:14 am and sunset at 6:12 pm (CDT).
In Rock Falls, the length of the day tomorrow will be 10h and 58min.
