Rapid City, SD

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English: Skyline of Rapid City, South Dakota, taken from Hillcrest Drive

Today’s Forecast:

☀
75°F
High: 75° | Low: 55°
Current Temperature
Clear
Station: KRAP
Observed at: 3:00 pm CDT on 9/25/26
Wind: 11 mph | Humidity: 44%

This Afternoon:Mostly sunny, with a high near 73. Southeast wind around 13 mph, with gusts as high as 29 mph.
Tonight:Partly cloudy, with a low around 55. South wind 3 to 13 mph, with gusts as high as 28 mph.
Saturday:Sunny. High near 75, with temperatures falling to around 73 in the afternoon. Northwest wind 3 to 15 mph, with gusts as high as 32 mph.

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Today’s Report:

🥾 Hiking

Excellent
  100 /100

Excellent for hiking. High near 73°F. Low rain risk (5%). Light wind (13 mph).

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 100/100
Excellent for hiking. High near 74°F. Low rain risk (1%). Light wind (15 mph).

🚲 Biking

Excellent
  100 /100

Excellent for biking. High near 73°F. Low rain risk (5%). Light wind (13 mph).

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 97/100
Excellent for biking. High near 74°F. Low rain risk (1%). Breezy winds (15 mph).

🎪 Outdoor Events / Activities

Excellent
  100 /100

Excellent for outdoor events / activities. High near 73°F. Low rain risk (5%). Light wind (13 mph).

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 97/100
Excellent for outdoor events / activities. High near 74°F. Low rain risk (1%). Breezy winds (15 mph).


About Rapid City

Rapid City is the main western South Dakota outdoor hub, with city parks, bike paths, nearby foothill trails, family attractions, and fast access to the Black Hills.

Make the Most of a Rapid City Day

Use Rapid City as a flexible base: stay close to town when storms are likely, or head into the hills when the forecast looks stable enough for longer drives and trails.

Weather Tips for Rapid City

  • Prairie wind, urban heat, and fast-building Black Hills storms can all affect whether a city park, bike route, or hill-country day trip is the better plan.
  • If thunderstorms are possible, finish ridge, overlook, and scenic-drive stops early and keep shelter close.
  • Open bike routes can feel much harder with prairie wind or summer heat, so check wind as closely as temperature.
  • Check road and trail conditions in shoulder seasons because snow, ice, or downed branches can linger in shaded areas.

Nearby Towns and Areas

This page can also be useful when planning outdoor time near:

  • Dinosaur Park
  • Canyon Lake Park
  • Founders Park
  • Keystone
  • Mount Rushmore
  • Custer State Park
  • Badlands gateway routes

Plan Around the Conditions

Use the forecast to choose the best version of Rapid City rather than forcing one itinerary. Match wind, rain timing, temperature, storms, water conditions, trail surfaces, and road conditions to the activity that gives your group the most comfortable day.

7-Day Forecast for Rapid City

☀
75°F
High: 75° | Low: 55°
Current Temperature
Clear
Station: KRAP
Observed at: 3:00 pm CDT on 9/25/26
Wind: 11 mph | Humidity: 44%
Fri ⛅
73° 55°
2%
Sat ☀
75° 52°
1%
Sun ☁
73° 59°
1%
Mon ⛈
72° 52°
52%
Tue ⛈
68° 52°
17%
Wed ☀
70° 52°
4%
Thu ⛅
69° 52°
4%

7-Day High Temperature Trend

73° Fri 75° Sat 73° Sun 72° Mon 68° Tue 70° Wed 69° Thu

7-Day Low Temperature Trend

55° Fri 52° Sat 59° Sun 52° Mon 52° Tue 52° Wed 52° Thu

📊 7-Day Outdoor Outlook

Good Fair Poor 100 Fri 100 Sat 100 Sun 65 Mon 65 Tue 100 Wed 100 Thu
Forecast data from the National Weather Service  |  Last Updated: September 25, 2026 4:15 pm CDT