Weather forecast for tomorrowBig Rock, IL
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 64°F
- 36°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 15mphSSW 200°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:10 am CDT
- Sunset: 6:08 pm CDT
- details ▼
On Sunday, October 18, a sun-drenched sky is also anticipated.
Significant variations in temperature are expected, peaking at a breezy 64.4°F and dropping to a low of a cold 35.6°F.
Tomorrow, the expected high temperature will be relatively higher than the average October peak of 60.3°F.
Sunrise will be at 7:10 am and sunset at 6:08 pm; tomorrow's daylight will last for 10h and 58min.
Significant variations in temperature are expected, peaking at a breezy 64.4°F and dropping to a low of a cold 35.6°F.
Tomorrow, the expected high temperature will be relatively higher than the average October peak of 60.3°F.
Sunrise will be at 7:10 am and sunset at 6:08 pm; tomorrow's daylight will last for 10h and 58min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 63°C.
Coldest hour: 6 am 37°C.
Coldest hour: 6 am 37°C.
Chance of precipitation
Highest chance: 6 am 5%.
Hourly weather forecast
- 12 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 5mphSSW 198°
- Humidity: 80%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 39°F
- Feels like:36°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphSSW 199°
- Humidity: 84%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 37°F
- Feels like:34°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSSW 201°
- Humidity: 87%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 37°F
- Feels like:32°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSSW 199°
- Humidity: 86%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:10 am
- 8 am
- 41°F
- Feels like:36°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphSSW 198°
- Humidity: 81%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 50°F
- Feels like:46°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 12mphSSW 203°
- Humidity: 57%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 59°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphSSW 206°
- Humidity: 44%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 61°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 15mphSSW 204°
- Humidity: 39%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 63°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 13mphSSW 200°
- Humidity: 37%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 57°F
- Feels like:55°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 8mphS 183°
- Humidity: 44%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:08 pm
- 8 pm
- 50°F
- Feels like:48°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphS 182°
- Humidity: 59%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:45°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphS 190°
- Humidity: 68%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, mainly sunny weather and a cloudless sky are anticipated.
The temperature will vary between the lowest temperature of 37.4°F and the highest temperature of 62.6°F. The warmest part of the day will be at 3 pm and 4 pm.
Tomorrow, expect temperatures a couple of degrees higher than what is usual for October. The minimum temperature will be more similar to November's average low of 32.7°F than October's typical 44.4°F.
The temperature will vary between the lowest temperature of 37.4°F and the highest temperature of 62.6°F. The warmest part of the day will be at 3 pm and 4 pm.
Tomorrow, expect temperatures a couple of degrees higher than what is usual for October. The minimum temperature will be more similar to November's average low of 32.7°F than October's typical 44.4°F.
Updated: Oct 17, 2026 @ 21:55:43 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
Tomorrow, expect bright skies and plenty of sunshine.
Tomorrow, the maximum temperature in Big Rock will be 64.4°F, while the minimum temperature will be 35.6°F.
The maximum temperature will be moderately higher than the average highest temperature of 60.3°F in October. The lowest temperature will be also a couple of degrees lower than the average low of 44.4°F.
The maximum temperature will be moderately higher than the average highest temperature of 60.3°F in October. The lowest temperature will be also a couple of degrees lower than the average low of 44.4°F.
On Sunday, in Big Rock, sunrise will be at 7:10 am and sunset at 6:08 pm (CDT).
In Big Rock, the length of the day tomorrow will be 10h and 58min.
