Weather forecast for todayOpal, SD

Weather forecast for today

Current condition 1:12 pm MDT

  • 75°F
  • Feels like:
    75°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 6mphS 190°
  • Humidity: 17%
  • Dewpoint: 27°F
  • Pressure: 29.95"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
In Opal, at the moment, the weather is sunny with a crisp, clear sky.
The temperature is a warm 75.2°F. The current temperature is almost at the maximum of today's predicted 77°F.

Saturday Oct 17, 2026

  • 77°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSSE 157°
  • Humidity: 22%
  • UV index: 3
  • Sunrise: 7:08 am MDT
  • Sunset: 6:01 pm MDT
  • ▼
On Saturday, in Opal, golden sunshine will carry through the day.
Substantial temperature variations are anticipated, soaring to a maximum of a warm 77°F and descending to a minimum of a frosty 44.6°F.
Meteorological data shows 77°F is more characteristic of September's climate profile than October's.
Sunrise was at 7:08 am and sunset will be at 6:01 pm; the daylight will last for 10h and 53min.

Hourly overview

Hourly temperatures

Warmest period: 3 pm - 4 pm 77°C.
Coldest period: 10 pm - 11 pm 48°C.

Chance of precipitation

Highest chance: 7 pm - 11 pm 1%.

Hourly weather forecast

  • 2 pm
  • 75°F
  • Feels like:
    75°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphS 182°
  • Humidity: 17%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 3 pm
  • 77°F
  • Feels like:
    77°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphS 170°
  • Humidity: 17%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 77°F
  • Feels like:
    77°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSSE 150°
  • Humidity: 18%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 70°F
  • Feels like:
    70°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphSE 144°
  • Humidity: 26%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 63°F
  • Feels like:
    63°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphSE 137°
  • Humidity: 33%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:01 pm
  • 7 pm
  • 57°F
  • Feels like:
    57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphSE 135°
  • Humidity: 44%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 54°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphSE 142°
  • Humidity: 52%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 50°F
  • Feels like:
    48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphSSE 147°
  • Humidity: 59%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 48°F
  • Feels like:
    46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphW 265°
  • Humidity: 62%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 48°F
  • Feels like:
    46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphWNW 288°
  • Humidity: 62%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
For the remainder of Saturday, a combination of overcast and dry and sunny weather is anticipated.
The temperature will be between the highest temperature of 77°F and the lowest temperature of 48.2°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum temperature today will be more alike with September's average high of 75.4°F than October's typical of 56.7°F. Today, the night is expected to be close to the typical October low of 41.2°F.
Updated: Oct 17, 2026 @ 19:12:43 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (1:12 pm MDT) it is 75.2°F in Opal.

Today, mostly sunny and dry conditions will continue.

Today, the maximum temperature will be 77°F, while the minimum temperature will be 44.6°F.
The highest temperature today will be noticeably higher than the average maximum of 56.7°F in October. Today, the lowest temperature will be in line with the average low temperature.

On Saturday, in Opal, sunrise was at 7:08 am and sunset will be at 6:01 pm (MDT).

Today, the daylight will last for 10h and 53min.