Forecast Monster: Real-Time Local Weather Forecasts

Forecast Monster

Rapid City, SD

Monday, August 18, 2025 at 11:52 AM

MOSTLY_CLEAR

82°C

Feels like 84°C

Mostly sunny

High: 87°C

Low: 65°C

Today's Details

Wind

4mph

Gusts

7mph

Cloud Cover

28%

UV Index

6

Humidity

54%

Precipitation

0%

Sunrise

7:00AM

Sunset

8:52PM

Hourly Forecast

11:00AM

CLEAR
80°C

Sunny

12:00PM

MOSTLY_CLEAR
83°C

Mostly sunny

1:00PM

PARTLY_CLOUDY
84°C

Partly sunny

2:00PM

PARTLY_CLOUDY
85°C

Partly sunny

3:00PM

PARTLY_CLOUDY
86°C

Partly sunny

4:00PM

CHANCE_OF_SHOWERS
83°C

Chance of showers

5:00PM

PARTLY_CLOUDY
85°C

Partly sunny

6:00PM

MOSTLY_CLEAR
86°C

Mostly sunny

7:00PM

RAIN_SHOWERS
81°C

Rain showers

8:00PM

CHANCE_OF_SHOWERS
78°C

Chance of showers

9:00PM

CLEAR
74°C

Clear

10:00PM

CLEAR
72°C

Clear

11:00PM

CLEAR
71°C

Clear

12:00AM

CLEAR
70°C

Clear

1:00AM

CLEAR
68°C

Clear

2:00AM

CLEAR
67°C

Clear

3:00AM

CLEAR
65°C

Clear

4:00AM

CLEAR
65°C

Clear

5:00AM

CLEAR
64°C

Clear

6:00AM

CLEAR
63°C

Clear

7:00AM

CLEAR
66°C

Sunny

8:00AM

CLEAR
73°C

Sunny

9:00AM

CLEAR
78°C

Sunny

10:00AM

CLEAR
82°C

Sunny

Live Rapid City, SD Weather Radar

2025-08-18 11:57 CDT

10-Day Forecast for Rapid City, SD

Find a detailed, 10-day weather forecast for Rapid City, SD below. Click the row to expand the forecast for that day and night.

Daytime
Light rain

Light rain

High: 86°C

Low: 63°C

Humidity: 52%

Clouds: 55%

UV Index: 7 (High)

Rain: 20%

Wind: 7 mph

Nighttime
Clear

Clear

Humidity: 68%

Clouds: 10%

Rain: 45%

Wind: 5 mph

Sun Events

Sunrise:

7:00AM

Sunset:

8:52PM

Moon Events

Phase:

🌘

waning crescent

Moonrise:

1:25AM

Moonset:

6:20PM

Additional Details

Feels Like High

87°C

Feels Like Low

63°C

Heat Index

87°C

60% Thunderstorm

Daytime
Sunny

Sunny

High: 90°C

Low: 66°C

Humidity: 43%

Clouds: 59%

UV Index: 7 (High)

Rain: 20%

Wind: 8 mph

Nighttime
Clear

Clear

Humidity: 59%

Clouds: 20%

Wind: 8 mph

Sun Events

Sunrise:

7:01AM

Sunset:

8:50PM

Moon Events

Phase:

🌘

waning crescent

Moonrise:

2:28AM

Moonset:

7:12PM

Additional Details

Feels Like High

90°C

Feels Like Low

66°C

Heat Index

90°C

30% Thunderstorm

Daytime
Sunny

Sunny

High: 96°C

Low: 69°C

Humidity: 36%

Clouds: 25%

UV Index: 8 (Very High)

Wind: 15 mph

Nighttime
Clear

Clear

Humidity: 49%

Clouds: 15%

Wind: 11 mph

Sun Events

Sunrise:

7:02AM

Sunset:

8:48PM

Moon Events

Phase:

🌘

waning crescent

Moonrise:

3:41AM

Moonset:

7:51PM

Additional Details

Feels Like High

96°C

Feels Like Low

76°C

Heat Index

96°C

High UV Index
Windy

Daytime
Partly sunny

Partly sunny

High: 86°C

Low: 64°C

Humidity: 43%

Clouds: 60%

UV Index: 6 (High)

Rain: 5%

Wind: 20 mph

Nighttime
Clear

Clear

Humidity: 64%

Clouds: 55%

Rain: 20%

Wind: 10 mph

Sun Events

Sunrise:

7:03AM

Sunset:

8:47PM

Moon Events

Phase:

🌘

waning crescent

Moonrise:

4:57AM

Moonset:

8:21PM

Additional Details

Feels Like High

86°C

Feels Like Low

64°C

Heat Index

86°C

Windy

Daytime
Light rain

Light rain

High: 76°C

Low: 58°C

Humidity: 54%

Clouds: 65%

UV Index: 6 (High)

Rain: 35%

Wind: 8 mph

Nighttime
Light rain

Light rain

Humidity: 70%

Clouds: 60%

Rain: 50%

Wind: 6 mph

Sun Events

Sunrise:

7:05AM

Sunset:

8:45PM

Moon Events

Phase:

🌑

new moon

Moonrise:

6:12AM

Moonset:

8:45PM

Additional Details

Feels Like High

78°C

Feels Like Low

57°C

Heat Index

78°C

20% Thunderstorm

Daytime
Partly sunny

Partly sunny

High: 77°C

Low: 56°C

Humidity: 51%

Clouds: 40%

UV Index: 7 (High)

Rain: 15%

Wind: 8 mph

Nighttime
Clear with periodic clouds

Clear with periodic clouds

Humidity: 66%

Clouds: 30%

Wind: 5 mph

Sun Events

Sunrise:

7:06AM

Sunset:

8:43PM

Moon Events

Phase:

🌑

new moon

Moonrise:

7:24AM

Moonset:

9:05PM

Additional Details

Feels Like High

78°C

Feels Like Low

56°C

Heat Index

78°C

10% Thunderstorm

Daytime
Partly sunny

Partly sunny

High: 75°C

Low: 58°C

Humidity: 60%

Clouds: 70%

UV Index: 6 (High)

Rain: 20%

Wind: 9 mph

Nighttime
Partly cloudy

Partly cloudy

Humidity: 80%

Clouds: 65%

Rain: 15%

Wind: 7 mph

Sun Events

Sunrise:

7:07AM

Sunset:

8:42PM

Moon Events

Phase:

🌒

waxing crescent

Moonrise:

8:33AM

Moonset:

9:22PM

Additional Details

Feels Like High

77°C

Feels Like Low

57°C

Heat Index

77°C

10% Thunderstorm

Daytime
Mostly cloudy

Mostly cloudy

High: 79°C

Low: 58°C

Humidity: 60%

Clouds: 70%

UV Index: 5 (Moderate)

Rain: 25%

Wind: 9 mph

Nighttime
Partly cloudy

Partly cloudy

Humidity: 83%

Clouds: 55%

Rain: 45%

Wind: 10 mph

Sun Events

Sunrise:

7:08AM

Sunset:

8:40PM

Moon Events

Phase:

🌒

waxing crescent

Moonrise:

9:39AM

Moonset:

9:39PM

Additional Details

Feels Like High

80°C

Feels Like Low

57°C

Heat Index

80°C

60% Thunderstorm

Daytime
Partly sunny

Partly sunny

High: 78°C

Low: 61°C

Humidity: 60%

Clouds: 60%

UV Index: 6 (High)

Rain: 15%

Wind: 12 mph

Nighttime
Mostly cloudy

Mostly cloudy

Humidity: 75%

Clouds: 75%

Rain: 10%

Wind: 12 mph

Sun Events

Sunrise:

7:09AM

Sunset:

8:38PM

Moon Events

Phase:

🌒

waxing crescent

Moonrise:

10:45AM

Moonset:

9:56PM

Additional Details

Feels Like High

80°C

Feels Like Low

59°C

Heat Index

80°C

40% Thunderstorm

Daytime
Mostly cloudy

Mostly cloudy

High: 78°C

Low: 60°C

Humidity: 57%

Clouds: 75%

UV Index: 5 (Moderate)

Rain: 10%

Wind: 11 mph

Nighttime
Partly cloudy

Partly cloudy

Humidity: 75%

Clouds: 65%

Rain: 5%

Wind: 10 mph

Sun Events

Sunrise:

7:10AM

Sunset:

8:36PM

Moon Events

Phase:

🌒

waxing crescent

Moonrise:

11:50AM

Moonset:

10:15PM

Additional Details

Feels Like High

79°C

Feels Like Low

60°C

Heat Index

79°C

Rapid City, SD Weather

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