Weather forecast for tomorrow
Tiffin, IA

Weather forecast for tomorrow

Tuesday, Jun 17.

PM Thunderstorms
5:30 am

8:45 pm
CDT
PM Thunderstorms
86°F / 66°F
  • Wind: 7mph WSW
  • Humidity: 70%
  • Precip. probability: 62%
  • Precipitation: 0.31"
  • UV index: 7
Tomorrow, on Tuesday, June 17, thunderstorms may form in the afternoon with sudden rainfall.
The chance of rainfall is high. However, precipitation will be light. Temperature span will be from a high of a tropical 86°F to a low of a comfortable 66.2°F.
The maximum heat index, which factors the actual air temperature with the relative humidity, is appraised at a sizzling 95°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Forecast models suggest hotter conditions, with a peak that mirrors July's climate average rather than June's.
Sunrise will be at 5:30 am and sunset at 8:45 pm; tomorrow's daylight will last for 15h and 16min.

Frequently asked questions

What is the weather forecast for Tiffin for tomorrow?
Tomorrow, stormy weather with frequent thunder and rain bursts is expected.
Will it rain tomorrow?
Light precipitation of 0.31" is forecasted. The likelihood of rainfall is 62%.
What will be the maximum temperature tomorrow?
Tomorrow, the maximum temperature will be 86°F, while the minimum temperature will be 66.2°F. The maximum heat index, which combines air temperature and relative humidity, is evaluated at 95°F.
The maximum temperature will be moderately higher than the average highest temperature of 78.6°F in June. The lowest temperature will be also a couple of degrees higher than the average low of 61.9°F.
When is the sunrise / sunset tomorrow?
On Tuesday, in Tiffin, sunrise will be at 5:30 am and sunset at 8:45 pm (CDT).
How long will the day be tomorrow in Tiffin?
In Tiffin, tomorrow, there will be 15h and 16min of daylight.

Hourly weather forecast

12 am
  • 72°F
  • Feels like:
    72°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph SSW
  • Pressure: 29.8"Hg
  • Humidity: 87%
  • Precip. probability: 11%
  • Precipitation: 0"
  • Visibility: 10mi
2 am
  • 72°F
  • Feels like:
    72°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 7mph SSW
  • Pressure: 29.8"Hg
  • Humidity: 84%
  • Precip. probability: 11%
  • Precipitation: 0"
  • Visibility: 10mi
4 am
  • 70°F
  • Feels like:
    70°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 6mph SSW
  • Pressure: 29.8"Hg
  • Humidity: 87%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
Sunrise: 5:30 am
6 am
  • 70°F
  • Feels like:
    72°F
Partly Cloudy
Partly Cloudy
  • Wind: 5mph SSW
  • Pressure: 29.77"Hg
  • Humidity: 91%
  • Precip. probability: 18%
  • Precipitation: 0"
  • Visibility: 10mi
8 am
  • 73°F
  • Feels like:
    75°F
Partly Cloudy
Partly Cloudy
  • Wind: 5mph WSW
  • Pressure: 29.77"Hg
  • Humidity: 86%
  • Precip. probability: 8%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 79°F
  • Feels like:
    84°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph WSW
  • Pressure: 29.77"Hg
  • Humidity: 72%
  • Precip. probability: 13%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 84°F
  • Feels like:
    90°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 6mph SW
  • Pressure: 29.77"Hg
  • Humidity: 64%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 86°F
  • Feels like:
    91°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 6mph WSW
  • Pressure: 29.74"Hg
  • Humidity: 61%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 84°F
  • Feels like:
    90°F
Showers
Showers
  • Wind: 7mph W
  • Pressure: 29.71"Hg
  • Humidity: 63%
  • Precip. probability: 37%
  • Precipitation: 0.04"
  • Visibility: 7mi
6 pm
  • 79°F
  • Feels like:
    82°F
Thunderstorms
Thunderstorms
  • Wind: 7mph NNW
  • Pressure: 29.71"Hg
  • Humidity: 72%
  • Precip. probability: 63%
  • Precipitation: 0.04"
  • Visibility: 6mi
8 pm
  • 73°F
  • Feels like:
    75°F
Showers
Showers
  • Wind: 5mph WNW
  • Pressure: 29.74"Hg
  • Humidity: 85%
  • Precip. probability: 40%
  • Precipitation: 0.04"
  • Visibility: 7mi
Sunset: 8:45 pm
10 pm
  • 70°F
  • Feels like:
    72°F
Cloudy
Cloudy
  • Wind: 6mph SSE
  • Pressure: 29.74"Hg
  • Humidity: 93%
  • Precip. probability: 23%
  • Precipitation: 0"
  • Visibility: 7mi
Tomorrow, on Tuesday, a combination of primarily cloudy and occasionally rainy and lightning-active weather is predicted.
Rainfall is forecasted from 4 pm to 9 pm. With light precipitation of 0.08", the most intense rain will be falling at 5 pm and 7 pm.
The temperature will be between the lowest temperature of 69.8°F and the highest temperature of 86°F. The hottest part of the day will be at 1 pm and 2 pm.
The maximum is expected to resemble July's average high of 81.1°F rather than June's. The nighttime low will be a few degrees higher than the typical June minimum temperature of 61.9°F.
Updated: Jun 17, 2025 @ 02:32:48 UTC
Published by: Weather U.S. | About Us
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