Weather forecast for tomorrow
Saturday, Jun 21.
5:37 am
8:01 pm
CDT
8:01 pm
CDT
AM Thunderstorms
90°F / 73°F
- Wind: 3mph SE
- Humidity: 70%
- Precip. probability: 44%
- Precipitation: 0.08"
- UV index: 11
Tomorrow, on Saturday, cloudy skies with thunderstorms are expected in the morning hours.
Minimal precipitation is anticipated. Temperature fluctuations between a blazing 89.6°F and a temperate 73.4°F are forecasted.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is calculated to be a scorching 104°F. Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Tomorrow, the forecasted maximum temperature should be consistent with June's typical high of 88.7°F.
Sunrise will be at 5:37 am and sunset at 8:01 pm; tomorrow's daylight will last for 14h and 25min.
Minimal precipitation is anticipated. Temperature fluctuations between a blazing 89.6°F and a temperate 73.4°F are forecasted.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is calculated to be a scorching 104°F. Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Tomorrow, the forecasted maximum temperature should be consistent with June's typical high of 88.7°F.
Sunrise will be at 5:37 am and sunset at 8:01 pm; tomorrow's daylight will last for 14h and 25min.
Frequently asked questions
What is the weather forecast for Helena for tomorrow?
Tomorrow, in Helena, morning rainfall may be accompanied by thunder and lightning flashes.
Will it rain tomorrow?
Tomorrow, there is a low probability of minimal rainfall in Helena.
What will be the highest temperature tomorrow?
Tomorrow, the highest temperature will be 89.6°F, while the lowest temperature will be 73.4°F. The maximum heat index, which adjusts the air temperature based on humidity, is estimated at 104°F.
The maximum temperature will be in line with the average highest temperature of 88.7°F in June. The lowest temperature tomorrow will be moderately higher than the average low temperature.
The maximum temperature will be in line with the average highest temperature of 88.7°F in June. The lowest temperature tomorrow will be moderately higher than the average low temperature.
What time are sunrise and sunset tomorrow?
On Saturday, in Helena, sunrise will be at 5:37 am and sunset at 8:01 pm (CDT).
How long will the day be tomorrow?
Tomorrow, the daylight will last for 14h and 25min.
Hourly weather forecast
12 am
- 75°F
- Feels like:
81°F
Clear
- Wind: 0mph SE
- Pressure: 30.06"Hg
- Humidity: 92%
- Precip. probability: 9%
- Precipitation: 0"
- Visibility: 8mi
2 am
- 73°F
- Feels like:
77°F
Clear
- Wind: 0mph SE
- Pressure: 30.06"Hg
- Humidity: 95%
- Precip. probability: 9%
- Precipitation: 0"
- Visibility: 6mi
4 am
- 73°F
- Feels like:
77°F
Partly Cloudy
- Wind: 1mph SE
- Pressure: 30.06"Hg
- Humidity: 96%
- Precip. probability: 10%
- Precipitation: 0"
- Visibility: 5mi
Sunrise: 5:37 am
6 am
- 73°F
- Feels like:
77°F
Partly Cloudy
- Wind: 1mph ESE
- Pressure: 30.06"Hg
- Humidity: 94%
- Precip. probability: 12%
- Precipitation: 0"
- Visibility: 2mi
8 am
- 77°F
- Feels like:
82°F
Mostly Sunny
- Wind: 1mph SE
- Pressure: 30.09"Hg
- Humidity: 89%
- Precip. probability: 11%
- Precipitation: 0"
- Visibility: 9mi
10 am
- 82°F
- Feels like:
90°F
Few Showers
- Wind: 2mph SSE
- Pressure: 30.09"Hg
- Humidity: 73%
- Precip. probability: 34%
- Precipitation: 0.04"
- Visibility: 10mi
12 pm
- 88°F
- Feels like:
95°F
Scattered Thunderstorms
- Wind: 1mph SSE
- Pressure: 30.09"Hg
- Humidity: 62%
- Precip. probability: 45%
- Precipitation: 0.04"
- Visibility: 7mi
2 pm
- 88°F
- Feels like:
95°F
Mostly Cloudy
- Wind: 3mph ESE
- Pressure: 30.06"Hg
- Humidity: 62%
- Precip. probability: 15%
- Precipitation: 0"
- Visibility: 10mi
4 pm
- 88°F
- Feels like:
95°F
Partly Cloudy
- Wind: 3mph SE
- Pressure: 30.03"Hg
- Humidity: 63%
- Precip. probability: 15%
- Precipitation: 0"
- Visibility: 10mi
6 pm
- 86°F
- Feels like:
93°F
Partly Cloudy
- Wind: 2mph SE
- Pressure: 30.03"Hg
- Humidity: 67%
- Precip. probability: 13%
- Precipitation: 0"
- Visibility: 10mi
8 pm
- 81°F
- Feels like:
88°F
Partly Cloudy
- Wind: 1mph ESE
- Pressure: 30.06"Hg
- Humidity: 79%
- Precip. probability: 15%
- Precipitation: 0"
- Visibility: 10mi
Sunset: 8:01 pm
10 pm
- 79°F
- Feels like:
84°F
Partly Cloudy
- Wind: 1mph ESE
- Pressure: 30.09"Hg
- Humidity: 84%
- Precip. probability: 15%
- Precipitation: 0"
- Visibility: 8mi
Tomorrow, on Saturday, the weather will be unstable. Rain is expected from 9 am to 1 pm. With light precipitation of 0.08", the most intense rain will be falling at 9 am and 1 pm.
The temperature will vary between the lowest temperature of 73.4°F and the highest temperature of 87.8°F. The feels-like temperature will be between a minimum of 77°F and a maximum of 96.8°F. The hottest part of the day will be from noon to 5 pm.
The forecasted high will be comparable to the typical June maximum of 88.7°F. Tomorrow, the low will be also a few degrees higher than the usual June value of 68.4°F.
The temperature will vary between the lowest temperature of 73.4°F and the highest temperature of 87.8°F. The feels-like temperature will be between a minimum of 77°F and a maximum of 96.8°F. The hottest part of the day will be from noon to 5 pm.
The forecasted high will be comparable to the typical June maximum of 88.7°F. Tomorrow, the low will be also a few degrees higher than the usual June value of 68.4°F.
Updated: Jun 20, 2025 @ 06:34:58 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