Weather forecast for todayRapid Valley, SD

Weather forecast for today

Current condition 1:18 pm MDT

  • 79°F
  • Feels like:
    79°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 6mphESE 120°
  • Humidity: 12%
  • Dewpoint: 21°F
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
Currently, the weather is ideal, with the sun shining and the air feeling fresh.
The temperature is a temperate 78.8°F. The current temperature is nearly at the maximum 80.6°F for today.

Saturday Oct 17, 2026

  • 81°F
  • 50°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphE 85°
  • Humidity: 17%
  • UV index: 3
  • Sunrise: 7:10 am MDT
  • Sunset: 6:05 pm MDT
  • ▼
Today, in Rapid Valley, the weather remains calm, bright, and sunny.
Daytime will experience a high of a moderately hot 80.6°F, significantly differing from the expected night low of a crisp 50°F.
Today, the weather pattern will resemble September more than October, with a forecast high of 80.6°F.
Sunrise was at 7:10 am and sunset will be at 6:05 pm; the daylight will last for 10h and 55min.

Hourly overview

Hourly temperatures

Warmest hour: 4 pm 81°C.
Coldest period: 10 pm - 11 pm 55°C.

Chance of precipitation

Highest chance: 2 pm - 11 pm 0%.

Hourly weather forecast

  • 2 pm
  • 79°F
  • Feels like:
    79°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphESE 124°
  • Humidity: 13%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 3 pm
  • 79°F
  • Feels like:
    79°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphESE 111°
  • Humidity: 12%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 81°F
  • Feels like:
    81°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphESE 103°
  • Humidity: 13%
  • Pressure: 29.83"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 75°F
  • Feels like:
    75°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphENE 72°
  • Humidity: 25%
  • Pressure: 29.83"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphN 349°
  • Humidity: 31%
  • Pressure: 29.83"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:05 pm
  • 7 pm
  • 63°F
  • Feels like:
    63°F
Mostly Clear
Mostly Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphNW 314°
  • Humidity: 37%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 59°F
  • Feels like:
    59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphWNW 285°
  • Humidity: 38%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 57°F
  • Feels like:
    57°F
Mostly Clear
Mostly Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphW 278°
  • Humidity: 36%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 55°F
  • Feels like:
    54°F
Mostly Clear
Mostly Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphWNW 284°
  • Humidity: 38%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 55°F
  • Feels like:
    54°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphWNW 288°
  • Humidity: 39%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
For the rest of Saturday, primarily dry and sunny and occasionally cloudy weather is forecasted.
The temperature will vary between a maximum of 80.6°F and a minimum of 55.4°F. The warmest part of the day is anticipated around 4 pm.
The day’s peak temperature will reflect September's norm of 73.9°F more than October's 56.5°F. The expected low will be also more resembling what’s typical in September than in October.
Updated: Oct 17, 2026 @ 19:18:02 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 1:18 pm MDT is 78.8°F.

Today, in Rapid Valley, conditions will remain bright with clear skies.

Today, the highest temperature will be 80.6°F, while the lowest temperature will be 50°F.
Today, the highest temperature will be notably higher than the average maximum of 56.5°F in October. Today, the lowest temperature will be also significantly higher than the average low of 39.9°F.

On Saturday, in Rapid Valley, sunrise was at 7:10 am and sunset will be at 6:05 pm (MDT).

Today, the daylight will last for 10h and 55min.