Weather forecast for tomorrow
Rock Valley, IA

Weather forecast for tomorrow

Monday, May 19.

Scattered Thunderstorms / Wind
5:55 am

8:48 pm
CDT
Scattered Thunderstorms / Wind
57°F / 48°F
  • Wind: 24mph ESE
  • Humidity: 83%
  • Precip. probability: 56%
  • Precipitation: 0.79"
  • UV index: 3
Tomorrow, scattered thunderstorms will occur, and the winds will be noticeably stronger as well.
With a high probability, moderate precipitation is anticipated. A mild temperature range, peaking at a refreshing 57.2°F and bottoming out at a frosty 48.2°F, is predicted.
The day's peak of 57.2°F reflects April's seasonal pattern more than May's.
Sunrise will be at 5:55 am and sunset at 8:48 pm; tomorrow's daylight will last for 14h and 53min.

Frequently asked questions

What is the weather forecast for Rock Valley for tomorrow?
Tomorrow, in Rock Valley, scattered thunderstorms and strong winds are expected throughout the day.
Will it rain tomorrow?
Moderate precipitation of 0.79" is forecasted. The likelihood of rainfall is 56%.
What will be the highest temperature tomorrow?
Tomorrow, the highest temperature will be 57.2°F, while the lowest temperature will be 48.2°F.
The highest temperature will be noticeably lower than the average maximum of 68.5°F in May. The lowest temperature will be in line with the average low of 51.1°F.
When are sunrise and sunset tomorrow?
On Monday, in Rock Valley, sunrise will be at 5:55 am and sunset at 8:48 pm (CDT).
How long will the day be tomorrow?
In Rock Valley, tomorrow, there will be 14h and 53min of daylight.

Hourly weather forecast

12 am
  • 61°F
  • Feels like:
    57°F
Cloudy
Cloudy
  • Wind: 19mph E
  • Pressure: 29.8"Hg
  • Humidity: 43%
  • Precip. probability: 7%
  • Precipitation: 0"
  • Visibility: 10mi
2 am
  • 57°F
  • Feels like:
    54°F
Rain / Wind
Rain / Wind
  • Wind: 22mph E
  • Pressure: 29.77"Hg
  • Humidity: 56%
  • Precip. probability: 72%
  • Precipitation: 0.16"
  • Visibility: 5mi
4 am
  • 54°F
  • Feels like:
    48°F
Rain / Wind
Rain / Wind
  • Wind: 22mph E
  • Pressure: 29.74"Hg
  • Humidity: 75%
  • Precip. probability: 65%
  • Precipitation: 0.08"
  • Visibility: 5mi
Sunrise: 5:55 am
6 am
  • 52°F
  • Feels like:
    46°F
Showers
Showers
  • Wind: 19mph E
  • Pressure: 29.74"Hg
  • Humidity: 81%
  • Precip. probability: 45%
  • Precipitation: 0.04"
  • Visibility: 7mi
8 am
  • 54°F
  • Feels like:
    46°F
Scattered Thunderstorms / Wind
Scattered Thunderstorms / Wind
  • Wind: 23mph E
  • Pressure: 29.71"Hg
  • Humidity: 84%
  • Precip. probability: 44%
  • Precipitation: 0.04"
  • Visibility: 7mi
10 am
  • 54°F
  • Feels like:
    48°F
Scattered Thunderstorms / Wind
Scattered Thunderstorms / Wind
  • Wind: 24mph ESE
  • Pressure: 29.68"Hg
  • Humidity: 86%
  • Precip. probability: 46%
  • Precipitation: 0.04"
  • Visibility: 5mi
12 pm
  • 55°F
  • Feels like:
    50°F
Scattered Thunderstorms / Wind
Scattered Thunderstorms / Wind
  • Wind: 22mph ESE
  • Pressure: 29.68"Hg
  • Humidity: 83%
  • Precip. probability: 50%
  • Precipitation: 0.04"
  • Visibility: 4mi
2 pm
  • 55°F
  • Feels like:
    50°F
Scattered Thunderstorms / Wind
Scattered Thunderstorms / Wind
  • Wind: 22mph ESE
  • Pressure: 29.68"Hg
  • Humidity: 84%
  • Precip. probability: 38%
  • Precipitation: 0.04"
  • Visibility: 2mi
4 pm
  • 57°F
  • Feels like:
    52°F
Scattered Thunderstorms / Wind
Scattered Thunderstorms / Wind
  • Wind: 21mph ESE
  • Pressure: 29.65"Hg
  • Humidity: 81%
  • Precip. probability: 39%
  • Precipitation: 0.08"
  • Visibility: 3mi
6 pm
  • 57°F
  • Feels like:
    52°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 19mph E
  • Pressure: 29.62"Hg
  • Humidity: 82%
  • Precip. probability: 37%
  • Precipitation: 0.04"
  • Visibility: 6mi
8 pm
  • 57°F
  • Feels like:
    52°F
Thunderstorms
Thunderstorms
  • Wind: 17mph E
  • Pressure: 29.65"Hg
  • Humidity: 82%
  • Precip. probability: 74%
  • Precipitation: 0.04"
  • Visibility: 4mi
Sunset: 8:48 pm
10 pm
  • 55°F
  • Feels like:
    50°F
Thunderstorms
Thunderstorms
  • Wind: 17mph E
  • Pressure: 29.65"Hg
  • Humidity: 91%
  • Precip. probability: 74%
  • Precipitation: 0.08"
  • Visibility: 3mi
Tomorrow, on Monday, weather will be unstable, and a mix of unstable, cloudy, rain-soaked and mostly clear weather is anticipated.
Rainfall is expected from 1 am to 11 pm. With moderate precipitation of 0.16", most rainfall is expected at 2 am.
The temperature will vary between the lowest temperature of 51.8°F and the highest temperature of 60.8°F. The warmest part of the day is expected around midnight.
The maximum temperature will align more closely with April's average high of 56.3°F than with May's 68.5°F. The minimum temperature will be in line with May's average low of 51.1°F.
Updated: May 18, 2025 @ 21:51:19 UTC
Published by: Weather U.S. | About Us
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