Weather forecast for todayKeystone, SD
Weather forecast for today
Current condition 3:01 pm MDT
- 75°F
- Feels like:75°F
Sunny
- Precipitation: 0"
- Wind: 9mphSW 220°
- Humidity: 31%
- Dewpoint: 43°F
- Pressure: 29.82"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
At the moment, the horizon is crisp, and the weather remains sunny and inviting.
The temperature is a warm 75.2°F. The current temperature is almost at the maximum of today's anticipated 77°F.
The temperature is a warm 75.2°F. The current temperature is almost at the maximum of today's anticipated 77°F.
Thursday Oct 22, 2026
- 77°F
- 57°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphSW 222°
- Humidity: 36%
- UV index: 3
- Sunrise: 7:17 am MDT
- Sunset: 5:58 pm MDT
- details ▼
Today, in Keystone, changing cloud patterns will allow for periods of sunshine.
Expected temperatures will peak at a moderately hot 77°F and dip to a minimum of a refreshing 57.2°F.
Forecasts show a high closer to September's climate pattern, around 71.4°F, rather than October's 54°F.
Sunrise was at 7:17 am and sunset will be at 5:58 pm; the daylight will last for 10h and 41min.
Expected temperatures will peak at a moderately hot 77°F and dip to a minimum of a refreshing 57.2°F.
Forecasts show a high closer to September's climate pattern, around 71.4°F, rather than October's 54°F.
Sunrise was at 7:17 am and sunset will be at 5:58 pm; the daylight will last for 10h and 41min.
Hourly overview
Hourly temperatures
Warmest hour: 4 pm 75°C.
Coldest period: 10 pm - 12 am 59°C.
Coldest period: 10 pm - 12 am 59°C.
Chance of precipitation
Highest chance: 6 pm - 8 pm 1%.
Hourly weather forecast
- 4 pm
- 75°F
- Feels like:75°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphSW 227°
- Humidity: 33%
- Pressure: 29.8"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 5 pm
- 72°F
- Feels like:72°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSW 215°
- Humidity: 37%
- Pressure: 29.8"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 5:58 pm
- 6 pm
- 66°F
- Feels like:66°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphSSW 213°
- Humidity: 45%
- Pressure: 29.8"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 7 pm
- 63°F
- Feels like:63°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphSW 221°
- Humidity: 53%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 61°F
- Feels like:61°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphSW 219°
- Humidity: 56%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 9 pm
- 61°F
- Feels like:59°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSW 228°
- Humidity: 56%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 59°F
- Feels like:59°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSW 231°
- Humidity: 57%
- Pressure: 29.8"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 11 pm
- 59°F
- Feels like:59°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSW 233°
- Humidity: 59%
- Pressure: 29.8"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 12 am
- 59°F
- Feels like:57°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphSW 229°
- Humidity: 60%
- Pressure: 29.77"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 1 am
- 59°F
- Feels like:59°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphSW 229°
- Humidity: 59%
- Pressure: 29.74"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
During the late afternoon and into the evening, primarily cloudy and occasionally clear weather is anticipated.
The temperature will vary between the highest temperature of 75.2°F and the lowest temperature of 59°F. The warmest part of the day is anticipated around 4 pm.
The day’s peak temperature will reflect September's norm of 71.4°F more than October's 54°F. Forecasts show a temperature also more consistent with September's average minimum of 51.1°F rather than the October average of 36.7°F.
The temperature will vary between the highest temperature of 75.2°F and the lowest temperature of 59°F. The warmest part of the day is anticipated around 4 pm.
The day’s peak temperature will reflect September's norm of 71.4°F more than October's 54°F. Forecasts show a temperature also more consistent with September's average minimum of 51.1°F rather than the October average of 36.7°F.
Updated: Oct 22, 2026 @ 21:01:42 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Currently (3:01 pm MDT) it is 75.2°F in Keystone.
On Thursday, in Keystone, clouds and sunshine will create a dynamic sky throughout the day.
Today, the maximum temperature will be 77°F, while the minimum temperature will be 57.2°F.
The highest temperature will be noticeably higher than the average maximum of 54°F in October. The lowest temperature will be also significantly higher than the average low of 36.7°F.
The highest temperature will be noticeably higher than the average maximum of 54°F in October. The lowest temperature will be also significantly higher than the average low of 36.7°F.
On Thursday, in Keystone, sunrise was at 7:17 am and sunset will be at 5:58 pm (MDT).
In Keystone, today, there will be 10h and 41min of daylight.
Keystone, South Dakota, USA
- en: Keystone, South Dakota, USA
- es: Keystone, Dakota del Sur, EE.UU.
- hr: Kiston, Južna Dakota, SAD
- mk: Kiston, Južna Dakota, SAD
- sr: Kiston, Južna Dakota, SAD
- zh: 基斯通, 南达科他州, 美国
- Latitude: 43.895544°
- Longitude: -103.418246°
- Elevation: 4331 ft
- Current time: 3:01pm MDT
- Sunrise: 7:17 am MDT
- Sunset: 5:58 pm MDT
- Timezone: America/Denver
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