Temperature
43 F at 9 PM; 54 F at its warmest, 1 PM, and 42 F at its coolest, 6 PM.
- Now
- 43F
- 9 PM
- Highest
- 54F
- 1 PM
- Lowest
- 42F
- 6 PM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Airports/South Dakota/Rapid City Regional Airport
Rapid City Regional Airport, South Dakota
Medium airport in Pennington County, South DakotaFreeze Warning, in full · Every severe alert
* WHAT...For the Wind Advisory, northwest winds 35 to 45 mph with gusts up to 60 mph. For the Freeze Warning, sub-freezing temperatures as low as 27 expected. * WHERE...Portions of northwestern and southwestern South Dakota. * WHEN...For the Wind Advisory, until 11 PM MDT this evening. For the Freeze Warning, from 9 PM this evening to 9 AM MDT Friday. * IMPACTS...Sudden wind gusts can cause drivers to lose control, especially in lightweight or high profile vehicles. Strong winds can cause blowing dust, reduced visibility, and flying debris. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. Take steps now to protect tender plants from the cold.
43°
54°/29°
Mostly cloudy·
Feels like 32°·Near gale 32 mph NNW
Alert. A Freeze Warning is in force for Rapid City Regional Airport until 9 AM tomorrow. 1 more alert is in force here as well. Read the alert in full, and see what it means in the Field Book.
Now. Rapid City Regional Airport is 43° and mostly cloudy at 10 PM. With the wind it feels like 32°. The dew point is 24°, so the air feels dry and comfortable. Near gale from the north-northwest at 32 mph, gusting to 54 mph.
Today and tonight. Tonight falls to about 29° by 7 AM, under a mostly clear sky. A freeze: protect plants and pipes. No rain is expected for the rest of the day.
The week. The warmest day ahead is Saturday, near 77°, and the coolest tomorrow, near 53°. The days ahead look dry. The windiest day is Sunday, with wind to 20 mph. Frost is possible tomorrow morning, a low of 36°.
The sky now. The Moon is a waxing crescent, 26% lit, and stays below the horizon until dawn. The next full Moon is Sunday, Oct 25. Look for Saturn, bright in the south-southeast. A planet shines with a steady light where the stars around it twinkle. The Orionids meteor shower is active, peaking around Oct 21: at its peak, up to about 20 meteors an hour can be seen from a dark site. The sky is forecast to stay clear: a good night to look up. The day is 11 hours 3 minutes long, 3 minutes shorter than yesterday.
-UV
31Air quality
47%Humidity
76%Cloud
Now
10:00 PM
43feels32
32mph
Today
Oct 15
5429
30mph
Fri
Oct 16
5336
15mph
Sat
Oct 17
7746
clear day
Sun
Oct 18
6538
20mph
Mon
Oct 19
6543
17mph
Tue
Oct 20
7347
15mph
Wed
Oct 21
7246
mostly clear day
43°
54°29°
53°36°
77°46°
65°38°
65°43°
73°47°
72°46°
As of 10:00 PM in Rapid City Regional Airport, South Dakota.
Air quality
The air at Rapid City Regional Airport
Index 31, good, led by ozone. Read at 9 PM from its reporting area, Rapid City (SD), 11 miles off.
31Good
- Fine particles (PM2.5)18Good-
- Ozone31Good34 ppb14.6 mi
- Coarse particles (PM10)28Good14.6 mi
The days ahead
Yesterday measured 16, good.
GoodModerate
- 16YesterdayOct 14
Smoke, the next 45 hours
No smoke near the ground through Sat 6 PM.
Precipitation
What has fallen at Rapid City Regional Airport
0.02 in in the last 24 hours, and none in the 2 days before, to Thu 9 PM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.02in
- Last 3 days
- 0.02in
Visibility
How far you can see at Rapid City Regional Airport, the next 45 hours
Visibility stays 10 miles or more through Sat 6 PM.
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- RAP
- ICAO
- KRAP
- IATA
- RAP
- Field elevation
- 3,204 ft
- Serves
- Rapid City
- Kind
- Medium airport
- Scheduled service
- Yes
- Its own instrument
- RAP
- Wind now
- From 320° at 36 mph, read 15 Oct, 20:52
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 05 / 23 | 3,601 ft | 75 ft | Asphalt | 62° / 242° | 7 mph head, on 23 | 35 mph from the right |
| 14 / 32 | 8,701 ft | 150 ft | Concrete | 151° / 331° | 35 mph head, on 32 | 7 mph from the left |
Measured here
What the airfield's own instrument measured, the last 24 hours
Every hour from Rapid City (RAP), Rapid City Regional Airport's own instrument, measure by measure, on the field's own clock.
Humidity and dew point
A dew point of 24 F, the air 47% saturated; the humidity ran from 31% at 2 PM to 94% at 2 AM.
- Dew point now
- 24F
- 9 PM
- Humidity now
- 47%
- Humidity, range
- 31 to 94%
How it is measured: Humidity variables, Field Book FB-WAT-002
Wind
33 mph from the north northwest at 9 PM; at its strongest 36 mph, 11 AM, with a gust of 56 mph at 4 PM.
- Now
- 33mph
- from the north northwest
- Strongest
- 36mph
- 11 AM
- Highest gust
- 56mph
- 4 PM
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
Pressure
30.59 inHg at 9 PM, rising 0.06 inHg over 3 hours; 0.46 inHg higher than a day before.
- Now
- 30.59inHg
- 9 PM
- 3 hours
- +0.06inHg
- rising
- 24 hours
- +0.46inHg
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Visibility
10 miles or more every hour.
- Now
- 10+mi
- Lowest
- 10+mi
- Hours under a mile
- 0
How it is measured: Fog types, Field Book FB-WAT-020
Cloud base
The lowest cloud base came down to 1,000 ft at 1 AM; a base was reported in 16 of the hours.
- Lowest base now
- -
- Lowest in 24 hours
- 1,000ft
- 1 AM
- Hours with a base reported
- 16
How it is measured: Cloud classification, Field Book FB-SKY-001
Precipitation
None measured in the gauge in the last 24 hours.
- Last 24 hours
- 0.00in
- Wettest hour
- 0.00in
- 11 PM Wednesday
- Hours with some
- 3
How it is measured: ASOS, Field Book FB-INS-002
Rapid City: every reading, the last 7 days, 30 days and the year, and how well it reports
What is measuring near here
The 5 instruments nearest Rapid City Regional Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.0 miles away.
measured now3 instruments
Rapid CityRAP
At an airfield/0.0 mi away/3,165 ft/39 ft below here
temp, wind, gust, visibility, precip, pressure
Rapid City - Rapid Creek above WRFRCVS2
At a river or reservoir gauge/2.5 mi away/3,014 ft/190 ft below here
temp, wind, gust, humidity, pressure
Sd RWIS EllsworthSD523
Beside a road/5.3 mi away/3,071 ft/133 ft below here
temp, pavement temp, wind, visibility, precip
measured daily2 instruments
Rapid City 12.6 ESD-PN-95
In a volunteer observer's own ground/3.7 mi away/3,210 ft/6 ft above here
precip, snowfall, snow depth
Wfo Rapid CityUNRS2
At a cooperative observer's station/7.9 mi away/3,356 ft/152 ft above here
snowfall, snow depth, precip, high, low
What the snow tracker reads here
Every instrument in this state
0in
Snow on the ground
Measured at Wfo Rapid City (UNRS2), 7.9 miles from here, read 15 Oct, 06:00. measured daily
Elsewhere in South Dakota
24 places, each with its own forecast and its own instruments.
AberdeencityBadlandsfeatureBelle FourchecityBlack Elk PeakfeatureBlack HillsfeatureBrookingscityCustercityDeadwoodcityGreat Bearski areaHot SpringscityHuroncityLake OahefeatureLeadcityMitchellcityPierrecityRapid CitycitySioux FallscitySpearfishcitySturgiscityTerry Peakski areaVermillioncityWatertowncityWind Cave National ParkfeatureYanktoncity
Near Rapid City Regional Airport
The nearest places, each with its own forecast and the instruments nearest it.
- Green Valleycommunity, 3 mi
- Rapid Valleycommunity, 4 mi
- Caputacommunity, 5 mi
- Box Eldercity, 6 mi
- Ashland Heightscommunity, 6 mi
- Rapid Citycity, 9 mi
- New Underwoodcity, 12 mi
- Colonial Pine Hillscommunity, 13 mi
- Blackhawkcommunity, 15 mi
- Hermosatown, 16 mi
- Summersetcity, 17 mi
- Wonderland Homescommunity, 18 mi
Airports near Rapid City Regional Airport
- Ellsworth Air Force BaseRCA, 7 mi
- Sturgis Municipal Airport49B, 30 mi
- Custer County AirportCUT, 35 mi
- Black Hills Airport-Clyde Ice FieldSPF, 47 mi
- Philip AirportPHP, 72 mi
- Pine Ridge AirportIEN, 76 mi
- Faith Municipal AirportD07, 85 mi
- Rosebud Sioux Tribal AirportSUO, 123 mi