Weather Forecast for Rapid City

South Dakota, United States of America

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Sunny

Current Weather - Rapid City: 22°C

South Dakota, United States of America

Sunny

Feels like 19°C

Wind

9 km/h W

Humidity

22%

Pressure

1009 mb

UV Index

1

Visibility

10 km

Sunny

Sunny

Saturday, September 05, 2026

High

36°C

Low

21°C

Rain Chance

36%

Hourly Forecast

Overcast 33°C
16:00
Overcast 33°C
17:00
Sunny 31°C
18:00
Cloudy 26°C
19:00
Partly Cloudy 24°C
20:00
Partly Cloudy 24°C
21:00
Cloudy 21°C
22:00
Cloudy 25°C
23:00
Sep 06

Day Statistics

Maximum Wind

25 km/h

Humidity

29%

Precipitation

0 mm

UV Index

8

Visibility

10 km

Rain Chance

36%

Snow Chance

0%

Sun & Moon

Sunrise

06:20 AM

Sunset

07:22 PM

Moonrise

Does not rise today

Moonset

03:53 PM

Moon Phase

Waning Crescent

Moon Illumination

29%

Air Quality

PM2.5

3

μg/m³

PM10

3.9

μg/m³

NO₂

2.9

μg/m³

O₃

70.3

μg/m³

SO₂

0.4

μg/m³

CO

102.8

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Solar Radiation Data

Shortwave Radiation

87.22

Diffuse Radiation

20.22

DNI

0

GTI

0