Weather forecast for tomorrow
Keystone, IA

Weather forecast for tomorrow

Tuesday, May 20.

Scattered Thunderstorms / Wind
5:41 am

8:29 pm
CDT
Scattered Thunderstorms / Wind
63°F / 46°F
  • Wind: 24mph SSE
  • Humidity: 89%
  • Precip. probability: 89%
  • Precipitation: 0.47"
  • UV index: 4
Tomorrow, on Tuesday, expect scattered thunderstorms along with winds that will increase throughout the day.
The likelihood of rainfall is high, and precipitation will be moderate. The temperature variation is expected to range from a maximum of an enjoyable 62.6°F to a minimum of a chilly 46.4°F.
Weather conditions lean colder, with the temperature tracking April's average high of 57.7°F.
Sunrise will be at 5:41 am and sunset at 8:29 pm; tomorrow's daylight will last for 14h and 47min.

Frequently asked questions

What is the weather forecast for Keystone for tomorrow?
On Tuesday, in Keystone, scattered thunderstorms and gusty winds will be prevalent through the afternoon.
Will it rain tomorrow?
With a probability of 89%, moderate precipitation of 0.47" is expected.
What will be the maximum temperature tomorrow in Keystone?
Tomorrow, the maximum temperature will be 62.6°F, while the minimum temperature will be 46.4°F.
The maximum temperature will be moderately lower than the average highest temperature of 68.7°F in May. The lowest temperature will be also a couple of degrees lower than the average low of 52.2°F.
When is the sunrise / sunset tomorrow?
On Tuesday, in Keystone, sunrise will be at 5:41 am and sunset at 8:29 pm (CDT).
How many hours of daylight will Keystone have tomorrow?
In Keystone, tomorrow, there will be 14h and 47min of daylight.

Hourly weather forecast

12 am
  • 52°F
  • Feels like:
    48°F
Rain
Rain
  • Wind: 18mph E
  • Pressure: 29.74"Hg
  • Humidity: 84%
  • Precip. probability: 100%
  • Precipitation: 0.08"
  • Visibility: 2mi
2 am
  • 52°F
  • Feels like:
    46°F
Thunderstorms / Wind
Thunderstorms / Wind
  • Wind: 22mph E
  • Pressure: 29.65"Hg
  • Humidity: 89%
  • Precip. probability: 98%
  • Precipitation: 0.12"
  • Visibility: 2mi
4 am
  • 54°F
  • Feels like:
    48°F
Thunderstorms / Wind
Thunderstorms / Wind
  • Wind: 21mph E
  • Pressure: 29.56"Hg
  • Humidity: 94%
  • Precip. probability: 96%
  • Precipitation: 0.16"
  • Visibility: 2mi
Sunrise: 5:41 am
6 am
  • 54°F
  • Feels like:
    48°F
Rain / Wind
Rain / Wind
  • Wind: 23mph E
  • Pressure: 29.5"Hg
  • Humidity: 96%
  • Precip. probability: 73%
  • Precipitation: 0.08"
  • Visibility: 2mi
8 am
  • 55°F
  • Feels like:
    50°F
Thunderstorms / Wind
Thunderstorms / Wind
  • Wind: 21mph E
  • Pressure: 29.5"Hg
  • Humidity: 100%
  • Precip. probability: 63%
  • Precipitation: 0.08"
  • Visibility: 2mi
10 am
  • 57°F
  • Feels like:
    54°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 17mph ESE
  • Pressure: 29.47"Hg
  • Humidity: 95%
  • Precip. probability: 57%
  • Precipitation: 0.04"
  • Visibility: 2mi
12 pm
  • 61°F
  • Feels like:
    59°F
Thunderstorms
Thunderstorms
  • Wind: 13mph SE
  • Pressure: 29.47"Hg
  • Humidity: 88%
  • Precip. probability: 77%
  • Precipitation: 0.12"
  • Visibility: 2mi
2 pm
  • 63°F
  • Feels like:
    61°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 12mph SSE
  • Pressure: 29.47"Hg
  • Humidity: 86%
  • Precip. probability: 57%
  • Precipitation: 0.04"
  • Visibility: 3mi
4 pm
  • 63°F
  • Feels like:
    61°F
Showers
Showers
  • Wind: 14mph SSW
  • Pressure: 29.5"Hg
  • Humidity: 80%
  • Precip. probability: 42%
  • Precipitation: 0.04"
  • Visibility: 4mi
6 pm
  • 59°F
  • Feels like:
    57°F
Few Showers
Few Showers
  • Wind: 13mph W
  • Pressure: 29.53"Hg
  • Humidity: 82%
  • Precip. probability: 34%
  • Precipitation: 0.04"
  • Visibility: 4mi
8 pm
  • 57°F
  • Feels like:
    54°F
Cloudy
Cloudy
  • Wind: 9mph WNW
  • Pressure: 29.59"Hg
  • Humidity: 87%
  • Precip. probability: 17%
  • Precipitation: 0"
  • Visibility: 2mi
Sunset: 8:29 pm
10 pm
  • 54°F
  • Feels like:
    52°F
Cloudy
Cloudy
  • Wind: 9mph WNW
  • Pressure: 29.65"Hg
  • Humidity: 91%
  • Precip. probability: 17%
  • Precipitation: 0"
  • Visibility: 2mi
Tomorrow, a combination of rain-filled, lightning-active and cloudy weather is anticipated.
Rainfall is predicted practically throughout the entire day. With moderate precipitation of 0.16", most rainfall is expected at 4 am.
The temperature will vary between a minimum of 51.8°F and a maximum of 62.6°F. The warmest part of the day will be from 1 pm to 4 pm.
The highest temperature is more consistent with April's average maximum of 57.7°F than May's usual of 68.7°F. Forecasts show a temperature also more alike with April's average minimum of 41.4°F rather than the May average of 52.2°F.
Updated: May 20, 2025 @ 00:30:00 UTC
Published by: Weather Atlas | About Us
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