Black Hills Airport-Clyde Ice Field

KSPF / SPF

Spearfish, US

Last Updated
Apr 11, 23:55Z

Current Weather

Display Units
Fresh 6 min ago
23:55Z

🌙 Night
VFR
Flight Rules
23°C
Temperature
Dewpoint: 1°C
7 kt
210° G17 kt
10 SM
Visibility
Ceiling
Unlimited
1002 hPa
QNH
Altimeter Setting

Raw METAR

METAR KSPF 112355Z AUTO 21007G17KT 10SM FEW110 23/01 A2960 RMK AO2

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 3,931 ft
FEW 11,000 ft AGL
🌤️
FEW
Few (1/8-2/8 sky coverage)
11,000 ft
AGL (Above Ground)
14,931 ft AMSL

Weather Briefing

VFR

Black Hills Airport-Clyde Ice Field is currently reporting visual flight rules (VFR) conditions with few clouds at 11,000 feet and 10 SM visibility.

Wind Analysis

Winds are from the south-southwest (210°) at 7 knots with gusts to 17 knots. Runway 22 is favored with a 7-knot headwind and 1-knot crosswind component (gusting to 3 knots crosswind).

Visibility & Ceiling

Visibility is 10 SM. No ceiling exists. Cloud layers reported: few at 11,000 ft.

Temperature & Moisture

Temperature is 23°C (73°F) with a dewpoint of 1°C, indicating very dry conditions. High temperatures at this elevation may result in significant density altitude effects. Pilots should calculate density altitude and adjust performance expectations accordingly.

Pilot Recommendations

Conditions are favorable for visual flight.

This briefing is generated from real-time METAR and TAF data. Always verify with official sources before flight.

QNH
1002 hPa
Sea Level Pressure
For altitude above MSL
QFE
871 hPa
Field Pressure
Height above aerodrome (3,931 ft)
Pressure Alt
4,269 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: 6,172 ft (High - Reduced Performance)
ISA Deviation: +15.9°C

24-Hour Weather Evolution

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Data Sources
  • • Current conditions from METAR observations
  • • Historical data from past 24 hours
  • • No forecast or predicted data included
  • • Data updated with each new METAR report
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Note: Future values beyond current TAF validity are estimates based on climatological data and trends. Always verify with current forecasts before flight operations.

Airport Runway Layout

N
SPF
04
22 ✈️
08
26
13
31

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 04/22
Active: 22
2,023 ft 150 ft TURF-G 41°
6.9 kt 1.2 kt
10° angle
08/26 3,975 ft 100 ft GRS 90°
3.5 kt 6.1 kt
120° angle
13/31 6,400 ft 75 ft ASPH-G 135°
1.8 kt 6.8 kt
75° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - KSPF

13,587 observations | Sep 2025 - Apr 2026

Flight Rules Distribution

VFR
87.2%
MVFR
7.1%
IFR
2.4%
LIFR
3.2%

Black Hills Airport-Clyde Ice Field enjoys predominantly VFR conditions, with visual flight rules prevailing 87.2% of the time. Prevailing winds are from the W averaging 10.1 knots, with gusts recorded up to 46 knots. Calm conditions occur 17.6% of the time. Temperature extremes range from -24°C to 33°C, reflecting significant seasonal variation. The best months for VFR flying are September, February, October.

Wind Analysis

Prevailing Direction: W (270°)
Average Speed: 10.1 kt
Maximum Recorded: 46 kt
Calm Winds: 17.6%
Direction Distribution:
E
6.8%
N
2.5%
S
5.3%
W
32.6%
NE
5.9%
NW
16.5%
SE
3.7%
SW
9.1%

Temperature Range

Average: 5.5°C
Range: -24°C to 33°C
-24°C 33°C

Visibility

Average: 9.7 SM
Below 3 SM: 1.2%
Fog Frequency: 0.4%

Best Months for VFR

September February October

Runway Wind Analysis

Runway 04/22
Favorable wind: 100%
Avg crosswind: 7.3 kt
Runway 08/26
Favorable wind: 100%
Avg crosswind: 5 kt
Runway 13/31
Favorable wind: 100%
Avg crosswind: 5.4 kt

Statistics computed from 13,587 METAR observations (Sep 2025 - Apr 2026). Data sourced from official aviation weather services. Updated daily.

Black Hills Airport-Clyde Ice Field - Airport Information

Airport Details

ICAO Code: KSPF
IATA Code: SPF
Type: small airport
Status: active
Elevation: 3,931 ft MSL

Location

City: Spearfish
Country: US
Latitude: 44.480301°
Longitude: -103.782997°
Time Zone: Etc/GMT+7

Runway Information

Runway 04/22
Length: 2,023 ft
Width: 150 ft
Surface: TURF-G
ILS: No
Runway 08/26
Length: 3,975 ft
Width: 100 ft
Surface: GRS
ILS: No
Runway 13/31
Length: 6,400 ft
Width: 75 ft
Surface: ASPH-G
ILS: No

About Black Hills Airport-Clyde Ice Field

Black Hills Airport-Clyde Ice Field (KSPF/SPF) is located in Spearfish, US at an elevation of 3,931 feet MSL. The airport has 3 runways (04/22, 08/26, 13/31), with the longest at 6,400 feet.

Weather Profile

Based on 13,587 weather observations, KSPF experiences excellent VFR conditions 87.2% of the time, making it one of the more weather-reliable airports in its region.

Wind Patterns & Runway Selection

Prevailing winds at KSPF come from the W (270°) with an average speed of 10.1 knots and recorded gusts up to 46 knots. Calm wind conditions are common (17.6% of observations), allowing flexible runway selection. Runway 08/26 offers the lowest average crosswind component at 5 knots, making it the preferred choice in typical wind conditions.

Seasonal Considerations

The best months for VFR operations are September, February, October, when clear skies are most prevalent. Temperatures at the field range from -24°C (-11°F) to 33°C (91°F), averaging 5.5°C (42°F). Cold weather operations require attention to aircraft preheating, de-icing, and cold-soaked fuel management. Altimeter settings typically range from 29.13 to 30.62 inHg (987-1037 hPa).

Data Sources: Airport data from OurAirports.com. Weather statistics derived from 13,587 official METAR observations (Sep 2025 - Apr 2026). Pilots should always verify current conditions through official channels before flight.

Official Data Sources

Weather NOAA Aviation Weather Center • International METAR/TAF Network
Airports OurAirports.com • Public domain airport database
NOTAMs FAA NOTAM System • ICAO NOTAM Distribution
Last updated: Jan 1, 1970 12:00 AM UTC

Disclaimer: Data is provided for informational purposes only. Pilots must verify all information through official sources before flight operations. Weather conditions change rapidly; always obtain a current briefing from approved weather services.