Rapid City, SD Weather

Live radar, hourly and 7-day forecast, and National Weather Service alerts for Rapid City, Pennington County, South Dakota.

Updated Jul 29, 2026, 1:27 PM local time · Radar refreshes every 5 minutes

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Rapid City

Clear

95°F

Feels like 96°F

Wind 14 mph

Humidity 34%

Cloud cover 8%

UV index 8

Alerts 1

Active alerts (1)

Heat AdvisoryModerate

Northern Perkins; Northern Meade Co Plains; Ziebach; Pennington Co Plains; Haakon; Northern Oglala Lakota; Northern Jackson; Mellette; Tripp; Southern Meade Co Plains; Southern Jackson; Southern Perkins

Until Jul 30, 2026, 1:00 AM

Full details

* WHAT...Heat index values up to 103 expected.

* WHERE...Portions of northwestern, south central, and southwestern
South Dakota.

* WHEN...From noon MDT /1 PM CDT/ today to 7 PM MDT /8 PM CDT/ this
evening.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Rapid City weather radar

Light Heavy

Next 24 hours

Now

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94°F

2 PM

🌤️

96°F

3 PM

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97°F

4 PM

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97°F

5 PM

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96°F

6 PM

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97°F

7 PM

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95°F

10%

8 PM

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90°F

14%

9 PM

🌦️

74°F

28%

10 PM

🌦️

72°F

45%

11 PM

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73°F

20%

12 AM

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72°F

17%

1 AM

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72°F

13%

2 AM

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72°F

10%

3 AM

🌤️

72°F

10%

4 AM

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72°F

10%

5 AM

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72°F

16%

6 AM

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70°F

19%

7 AM

⛅

72°F

12%

8 AM

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74°F

9 AM

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75°F

10 AM

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76°F

11 AM

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77°F

10%

12 PM

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78°F

7-day forecast

Today

Jul 29

🌦️

97°F

70°F

45%

Thu

Jul 30

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85°F

70°F

20%

Fri

Jul 31

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92°F

65°F

Sat

Aug 1

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99°F

70°F

Sun

Aug 2

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108°F

78°F

Mon

Aug 3

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94°F

73°F

Tue

Aug 4

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81°F

63°F

28%

Weather near Rapid City

113 mi Gillette, WY

Alerts are relayed from the National Weather Service and may lag the official source. In a life-threatening situation always follow weather.gov and local emergency broadcasts.

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