Weather Tomorrow in Rapid City, SD

Red Flag WarningUntil Oct 9, 8:00 PM MDT

Red Flag Warning issued October 8 at 11:03AM MDT until October 9 at 8:00PM MDT by NWS Rapid City SD

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

Friday, October 9, 2026

High 89°FLow 53°F

Clear

Rain chance: 0%
Wind: 5-14 mph
Humidity: 38%
Feels like: 53–85°F

Data source: National Weather Service (NOAA) · Forecast issued Oct 8, 2:51 PM MDT

Precipitation Timeline

No significant precipitation expected tomorrow.

Tomorrow by Hour

Local time. Rows with a 40% or higher chance of rain are shaded blue.

Hourly forecast for tomorrow, local time: temperature in °F, chance of rain, wind in mph
Time	Sky	Temp	Condition	Feels like	Rain	Wind (mph)	Humidity
12 AM	, Partly Cloudy	55°F	Partly Cloudy	55°F	0%	5 SW	61%
1 AM	, Partly Cloudy	55°F	Partly Cloudy	55°F	0%	5 SW	59%
2 AM	, Partly Cloudy	54°F	Partly Cloudy	54°F	0%	5 SW	59%
3 AM	, Partly Cloudy	54°F	Partly Cloudy	54°F	0%	5 SW	59%
4 AM	, Partly Cloudy	54°F	Partly Cloudy	54°F	0%	5 SW	57%
5 AM	, Partly Cloudy	54°F	Partly Cloudy	54°F	0%	5 SW	57%
6 AM	, Sunny	53°F	Sunny	53°F	0%	5 SW	57%
7 AM	, Sunny	55°F	Sunny	55°F	0%	5 S	53%
8 AM	, Sunny	59°F	Sunny	59°F	0%	7 SW	49%
9 AM	, Sunny	65°F	Sunny	65°F	0%	8 S	41%
10 AM	, Sunny	73°F	Sunny	73°F	0%	10 S	34%
11 AM	, Sunny	79°F	Sunny	79°F	0%	13 SW	27%
12 PM	, Sunny	84°F	Sunny	81°F	0%	14 SW	23%
1 PM	, Sunny	86°F	Sunny	83°F	0%	14 SW	21%
2 PM	, Sunny	88°F	Sunny	84°F	0%	14 SW	19%
3 PM	, Sunny	89°F	Sunny	85°F	0%	14 SW	18%
4 PM	, Sunny	88°F	Sunny	84°F	0%	12 SW	18%
5 PM	, Sunny	86°F	Sunny	83°F	0%	9 S	20%
6 PM	, Clear	82°F	Clear	80°F	0%	7 S	22%
7 PM	, Clear	76°F	Clear	76°F	0%	7 SW	27%
8 PM	, Clear	72°F	Clear	72°F	0%	8 SW	31%
9 PM	, Clear	70°F	Clear	70°F	0%	9 SW	32%
10 PM	, Mostly Clear	69°F	Mostly Clear	69°F	0%	9 SW	32%
11 PM	, Mostly Clear	68°F	Mostly Clear	68°F	0%	9 SW	32%

What to Wear Tomorrow

Hot — wear breathable, light clothing

Clothing

Light t-shirt or tank top
Shorts or light skirt
Hat for sun protection

Footwear

Sandals or breathable sneakers

Accessories

Sunglasses
Sunscreen

Conditions

High: 89°F
Low: 53°F
Wind: 5-14 mph
Rain: 0%

Big temperature swing (53°F to 89°F) — dress in removable layers.

Best Time to Be Outside Tomorrow

9 AM – 11 AM

Excellent conditions for outdoor activities (dry, comfortable temp, light wind, daylight)

94out of 100

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Frequently Asked Questions

What is the weather forecast for tomorrow in Rapid City, SD?

Tomorrow in Rapid City: High of 89°F, Low of 53°F. Clear with 0% chance of precipitation. Wind 5-14 mph.

Will it rain tomorrow in Rapid City?