Weather forecast for tomorrow
Tuesday, Jun 17.
5:37 am
8:52 pm
CDT
8:52 pm
CDT
PM Thunderstorms
84°F / 64°F
- Wind: 7mph WSW
- Humidity: 73%
- Precip. probability: 54%
- Precipitation: 1.02"
- UV index: 7
Tomorrow, on Tuesday, cloud build-up may lead to afternoon thunderstorms.
Substantial precipitation is expected. Temperatures are anticipated to range from a maximum of a moderately hot 84.2°F to a minimum of a comfortable 64.4°F.
The maximum heat index, which integrates air moisture with ambient temperature, is evaluated at a humid 91.4°F. Note that heat index values are valued for light wind and location in the shade.
The forecasted temperature is moderately higher than June's regular maximum of 79.3°F.
Sunrise will be at 5:37 am and sunset at 8:52 pm; tomorrow's daylight will last for 15h and 15min.
Substantial precipitation is expected. Temperatures are anticipated to range from a maximum of a moderately hot 84.2°F to a minimum of a comfortable 64.4°F.
The maximum heat index, which integrates air moisture with ambient temperature, is evaluated at a humid 91.4°F. Note that heat index values are valued for light wind and location in the shade.
The forecasted temperature is moderately higher than June's regular maximum of 79.3°F.
Sunrise will be at 5:37 am and sunset at 8:52 pm; tomorrow's daylight will last for 15h and 15min.
Frequently asked questions
What is the weather forecast for Altoona for tomorrow?
Tomorrow, cloud build-up may lead to afternoon thunderstorms.
Will it rain tomorrow?
Increased precipitation of 1.02" is predicted with a high probability.
What will be the maximum temperature tomorrow?
Tomorrow, the maximum temperature will be 84.2°F, while the minimum temperature will be 64.4°F. The maximum heat index, which indicates how humid air affects the felt temperature, is assessed at 91.4°F.
The highest temperature will be relatively higher than the average maximum of 79.3°F in June. The lowest temperature will be in line with the average low of 62.8°F.
The highest temperature will be relatively higher than the average maximum of 79.3°F in June. The lowest temperature will be in line with the average low of 62.8°F.
When are sunrise and sunset tomorrow?
On Tuesday, in Altoona, sunrise will be at 5:37 am and sunset at 8:52 pm (CDT).
How long will the day be tomorrow?
In Altoona, Iowa, the length of the day tomorrow will be 15h and 15min.
Hourly weather forecast
12 am
- 73°F
- Feels like:
75°F
Mostly Cloudy
- Wind: 7mph SSW
- Pressure: 29.77"Hg
- Humidity: 83%
- Precip. probability: 14%
- Precipitation: 0"
- Visibility: 10mi
2 am
- 72°F
- Feels like:
73°F
Mostly Cloudy
- Wind: 5mph SSW
- Pressure: 29.77"Hg
- Humidity: 84%
- Precip. probability: 8%
- Precipitation: 0"
- Visibility: 10mi
4 am
- 70°F
- Feels like:
72°F
Partly Cloudy
- Wind: 5mph SW
- Pressure: 29.77"Hg
- Humidity: 86%
- Precip. probability: 8%
- Precipitation: 0"
- Visibility: 10mi
Sunrise: 5:37 am
6 am
- 68°F
- Feels like:
70°F
Mostly Cloudy
- Wind: 4mph WSW
- Pressure: 29.77"Hg
- Humidity: 88%
- Precip. probability: 11%
- Precipitation: 0"
- Visibility: 9mi
8 am
- 72°F
- Feels like:
73°F
Partly Cloudy
- Wind: 4mph W
- Pressure: 29.77"Hg
- Humidity: 87%
- Precip. probability: 8%
- Precipitation: 0"
- Visibility: 8mi
10 am
- 75°F
- Feels like:
81°F
Mostly Cloudy
- Wind: 5mph WNW
- Pressure: 29.77"Hg
- Humidity: 77%
- Precip. probability: 10%
- Precipitation: 0"
- Visibility: 10mi
12 pm
- 79°F
- Feels like:
82°F
Partly Cloudy
- Wind: 6mph SSW
- Pressure: 29.77"Hg
- Humidity: 72%
- Precip. probability: 12%
- Precipitation: 0"
- Visibility: 10mi
2 pm
- 82°F
- Feels like:
86°F
Isolated Thunderstorms
- Wind: 6mph SSW
- Pressure: 29.74"Hg
- Humidity: 64%
- Precip. probability: 30%
- Precipitation: 0.08"
- Visibility: 9mi
4 pm
- 82°F
- Feels like:
86°F
Scattered Thunderstorms
- Wind: 6mph SSW
- Pressure: 29.71"Hg
- Humidity: 64%
- Precip. probability: 38%
- Precipitation: 0.12"
- Visibility: 7mi
6 pm
- 77°F
- Feels like:
81°F
Scattered Thunderstorms
- Wind: 6mph SW
- Pressure: 29.71"Hg
- Humidity: 74%
- Precip. probability: 54%
- Precipitation: 0.12"
- Visibility: 7mi
8 pm
- 73°F
- Feels like:
75°F
Scattered Thunderstorms
- Wind: 5mph NNE
- Pressure: 29.71"Hg
- Humidity: 81%
- Precip. probability: 53%
- Precipitation: 0.12"
- Visibility: 5mi
Sunset: 8:52 pm
10 pm
- 70°F
- Feels like:
72°F
Scattered Thunderstorms
- Wind: 7mph NNW
- Pressure: 29.77"Hg
- Humidity: 88%
- Precip. probability: 55%
- Precipitation: 0.31"
- Visibility: 4mi
Tomorrow, a combination of cloudy, thunderstorm-prone and dry and sunny weather is predicted.
Rain is anticipated at 2 pm, and from 4 pm to 11 pm. With moderate precipitation of 0.31", most rainfall is expected at 10 pm.
The temperature will be between the lowest temperature of 68°F and the highest temperature of 82.4°F. The warmest part of the day will be from 2 pm to 4 pm.
The highest temperature will be relatively higher than June's average maximum of 79.3°F. The expected low will be also consistent with the average minimum in June, which is 62.8°F.
Rain is anticipated at 2 pm, and from 4 pm to 11 pm. With moderate precipitation of 0.31", most rainfall is expected at 10 pm.
The temperature will be between the lowest temperature of 68°F and the highest temperature of 82.4°F. The warmest part of the day will be from 2 pm to 4 pm.
The highest temperature will be relatively higher than June's average maximum of 79.3°F. The expected low will be also consistent with the average minimum in June, which is 62.8°F.
Updated: Jun 16, 2025 @ 09:23:35 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