Weather forecast for tomorrow
Rock Falls, IL

Weather forecast for tomorrow

Tuesday, Jun 17.

PM Showers
5:21 am

8:37 pm
CDT
PM Showers
88°F / 66°F
  • Wind: 11mph WSW
  • Humidity: 65%
  • Precip. probability: 46%
  • Precipitation: 0.39"
  • UV index: 8
On Tuesday, June 17, spotty afternoon showers could bring wet conditions to parts of the area.
The likelihood of rainfall for tomorrow is low, and light precipitation is forecasted. The temperature variation is expected to range from a maximum of a tropical 87.8°F to a minimum of a breezy 66.2°F.
The maximum heat index, which represents the influence of relative humidity on air temperature, is appraised at a torrid 96.8°F. Note that heat index values are valued for light wind and location in the shade. Bear in mind that direct sunshine exposure increases weather impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
The day’s maximum of 87.8°F shows a shift toward July's pattern over June's.
Sunrise will be at 5:21 am and sunset at 8:37 pm; tomorrow's daylight will last for 15h and 16min.

Frequently asked questions

What is the weather forecast for Rock Falls for tomorrow?
Tomorrow, in Rock Falls, occasional afternoon showers are expected, though they may be brief.
Will it rain tomorrow?
Light precipitation of 0.39" is expected. The chance of rainfall is 46%.
What will be the highest temperature tomorrow?
Tomorrow, the maximum temperature will be 87.8°F, while the minimum temperature will be 66.2°F. The maximum heat index, which indicates how humid air affects the felt temperature, is calculated to be 96.8°F.
The maximum temperature will be significantly higher than the average highest temperature of 78.3°F in June. The lowest temperature will be a few degrees higher than the average low of 61.3°F.
When is the sunrise / sunset tomorrow?
On Tuesday, in Rock Falls, sunrise will be at 5:21 am and sunset at 8:37 pm (CDT).
How many hours of daylight will Rock Falls have tomorrow?
In Rock Falls, tomorrow, there will be 15h and 16min of daylight.

Hourly weather forecast

12 am
  • 72°F
  • Feels like:
    72°F
Mostly Clear
Mostly Clear
  • Wind: 6mph S
  • Pressure: 29.8"Hg
  • Humidity: 89%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
2 am
  • 72°F
  • Feels like:
    72°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph SSW
  • Pressure: 29.8"Hg
  • Humidity: 87%
  • Precip. probability: 7%
  • Precipitation: 0"
  • Visibility: 10mi
4 am
  • 70°F
  • Feels like:
    70°F
Partly Cloudy
Partly Cloudy
  • Wind: 5mph SSW
  • Pressure: 29.8"Hg
  • Humidity: 91%
  • Precip. probability: 12%
  • Precipitation: 0"
  • Visibility: 10mi
Sunrise: 5:21 am
6 am
  • 68°F
  • Feels like:
    70°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Wind: 6mph SSW
  • Pressure: 29.77"Hg
  • Humidity: 93%
  • Precip. probability: 33%
  • Precipitation: 0.04"
  • Visibility: 9mi
8 am
  • 73°F
  • Feels like:
    75°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph SW
  • Pressure: 29.77"Hg
  • Humidity: 85%
  • Precip. probability: 10%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 79°F
  • Feels like:
    82°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph WSW
  • Pressure: 29.77"Hg
  • Humidity: 69%
  • Precip. probability: 4%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 84°F
  • Feels like:
    90°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph WSW
  • Pressure: 29.77"Hg
  • Humidity: 58%
  • Precip. probability: 11%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 86°F
  • Feels like:
    91°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 9mph WSW
  • Pressure: 29.74"Hg
  • Humidity: 54%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 86°F
  • Feels like:
    90°F
Showers
Showers
  • Wind: 11mph WSW
  • Pressure: 29.74"Hg
  • Humidity: 55%
  • Precip. probability: 46%
  • Precipitation: 0.04"
  • Visibility: 7mi
6 pm
  • 82°F
  • Feels like:
    86°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 7mph WNW
  • Pressure: 29.71"Hg
  • Humidity: 59%
  • Precip. probability: 43%
  • Precipitation: 0.08"
  • Visibility: 7mi
8 pm
  • 77°F
  • Feels like:
    81°F
Showers
Showers
  • Wind: 6mph NNW
  • Pressure: 29.74"Hg
  • Humidity: 72%
  • Precip. probability: 41%
  • Precipitation: 0.04"
  • Visibility: 7mi
Sunset: 8:37 pm
10 pm
  • 72°F
  • Feels like:
    73°F
Cloudy
Cloudy
  • Wind: 4mph SSE
  • Pressure: 29.74"Hg
  • Humidity: 87%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 7mi
Tomorrow, on Tuesday, a combination of cloud-filled, rainy and turbulent weather is forecasted.
Rainfall is forecasted from 5 am to 7 am, and from 3 pm to 9 pm and at 11 pm. With light precipitation of 0.08", most rainfall is expected at 6 pm.
The temperature will be between the lowest temperature of 68°F and the highest temperature of 86°F. The hottest part of the day will be from 1 pm to 4 pm.
The forecasted high is more alike with July's typical maximum of 80.2°F than the usual for June. The lowest temperature is expected to be relatively higher than the average minimum in June, typically 61.3°F.
Updated: Jun 17, 2025 @ 02:36:24 UTC
Published by: Weather U.S. | About Us
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