Grand Forks Air Force Base

KRDR / RDR

Grand Forks, US

Last Updated
Apr 22, 18:55Z

Military Airport

Restricted

This is a U.S. military installation. Civil aircraft operations are generally prohibited without prior authorization.

Access Notes:

Most military airfields closed to civil traffic; some joint-use exceptions exist

Consult official AIP (FAA AIP GEN 3.3) for current access procedures and restrictions.

Current Weather

Display Units
Fresh 10 min ago
18:55Z

🌇 Dusk
VFR
Flight Rules
28°C
Temperature
Dewpoint: 5°C
16 kt
180° G23 kt
10 SM
Visibility
Ceiling
Unlimited
1001 hPa
QNH
Altimeter Setting

Raw METAR

METAR KRDR 221855Z AUTO 18016G23KT 10SM CLR 28/05 A2957 RMK AO2 SLP017 T02800049 $

Weather Briefing

VFR

Grand Forks Air Force Base is currently reporting visual flight rules (VFR) conditions with clear skies and 10 SM visibility.

Wind Analysis

Winds are from the south (180°) at 16 knots with gusts to 23 knots. Runway 17/35 is favored with a 16-knot headwind and 3-knot crosswind component (gusting to 4 knots crosswind). Student pilots and low-time aviators should exercise caution.

Visibility & Ceiling

Visibility is 10 SM. Skies are clear with unlimited ceiling.

Temperature & Moisture

Temperature is 28°C (82°F) with a dewpoint of 5°C, indicating very dry conditions.

Forecast Outlook

The TAF forecast covers the next 30 hours. Conditions are expected to fluctuate between VFR and MVFR. VFR pilots should be prepared for deteriorating conditions. Expected weather includes: Light Showers Rain. Winds are forecast to reach up to 30 knots during the period. Expect variable wind speeds ranging from 10 to 30 knots.

Pilot Recommendations

Conditions are favorable for visual flight. The forecast indicates conditions may deteriorate. Ensure you have fuel reserves and a viable alternate airport.

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

QNH
1001 hPa
Sea Level Pressure
For altitude above MSL
QFE
971 hPa
Field Pressure
Height above aerodrome (913 ft)
Pressure Alt
1,281 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: 3,060 ft (High - Reduced Performance)
ISA Deviation: +14.8°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF KRDR 221800Z 2218/2324 18015G25KT 9999 BKN160 621603 QNH2954INS BECMG 2220/2221 13010G20KT 9999 BKN150 621503 QNH2937INS BECMG 2301/2302 12030G40KT 8000 -SHRA VCTS BKN120CB QNH2929INS BECMG 2305/2306 18025G35KT 8000 -SHRA FEW150 520002 QNH2925INS BECMG 2311/2312 18020G30KT 9999 NSW BKN120 621203 520002 QNH2923INS BECMG 2315/2316 23015G25KT 9999 BKN150 621503 QNH2927INS TX27/2221Z TN14/2312Z
Upcoming Changes (Next 12 Hours)
19:05Z BASE
+0h
VFR 180° 15 kt
Visibility: 10+ km
Ceiling: 16,000 ft
20:00Z BECMG
+1h
VFR 130° 10 kt
Visibility: 10+ km
Ceiling: 15,000 ft
01:00Z BECMG
+6h
MVFR 120° 30 kt
Visibility: 8 km
Ceiling: 12,000 ft
Light Showers Rain
05:00Z BECMG
+10h
MVFR 180° 25 kt
Visibility: 8 km
Light Showers Rain

24-Hour Weather Evolution

Loading weather data...
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
Chart Features
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  • • Click legend items to toggle data series
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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
RDR
17 ✈️
35

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 17/35
Active: 17
12,350 ft 150 ft ASP 180°
15.8 kt 2.8 kt
10° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - KRDR

7,285 observations | Sep 2025 - Apr 2026

Flight Rules Distribution

VFR
55.1%
MVFR
24.3%
IFR
11.5%
LIFR
9.1%

Grand Forks Air Force Base is frequently affected by reduced visibility conditions, with VFR weather only 55.1% of the time and IFR/LIFR conditions occurring in 20.6% of observations. Prevailing winds are from the N averaging 10.7 knots, with gusts recorded up to 40 knots. Temperature extremes range from -29°C to 36°C, reflecting significant seasonal variation. The best months for VFR flying are October, November, September.

Wind Analysis

Prevailing Direction: N (0°)
Average Speed: 10.7 kt
Maximum Recorded: 40 kt
Calm Winds: 8.9%
Direction Distribution:
N
28.1%
NE
10.9%
E
3.4%
SE
3.7%
S
15.9%
SW
10.6%
W
5.4%
NW
13.1%

Temperature Range

Average: -2.8°C
Range: -29°C to 36°C
-29°C 36°C

Visibility

Average: 9.4 SM
Below 3 SM: 1.6%
Fog Frequency: 1.6%

Best Months for VFR

October November September

Runway Wind Analysis

Runway 17/35
Favorable wind: 100%
Avg crosswind: 5 kt

Statistics computed from 7,285 METAR observations (Sep 2025 - Apr 2026). Data sourced from official aviation weather services. Updated daily.

Grand Forks Air Force Base - Airport Information

Airport Details

ICAO Code: KRDR
IATA Code: RDR
Type: medium airport
Status: active
Elevation: 913 ft MSL

Location

City: Grand Forks
Country: US
Latitude: 47.961102°
Longitude: -97.401199°
Time Zone: Etc/GMT+6

Runway Information

Runway 17/35
Length: 12,350 ft
Width: 150 ft
Surface: ASP
ILS: No

About Grand Forks Air Force Base

Grand Forks Air Force Base is a military facility. Civilian access may be restricted or require Prior Permission (PPR). Pilots should consult the US AIP for current access procedures and restrictions.

Overview

Grand Forks Air Force Base (KRDR) is a medium-sized military airport located in North Dakota at 913 feet mean sea level. Situated at coordinates 47.961102, -97.401199, the base serves strategic military aviation operations in the northern Great Plains region.

Flying Conditions

Weather conditions at KRDR exhibit significant variability, with Visual Flight Rules (VFR) prevailing 55.7% of the time. Pilots should anticipate potential instrument meteorological conditions, with MVFR conditions occurring 25.3% of observations and IFR/LIFR states combining for nearly 19% of recorded periods. Temperature ranges dramatically from -29°C to 36°C, requiring comprehensive preflight weather assessment.

Notable Features

The airport features a single runway (17/35) with an extensive 12,350-foot asphalt surface, capable of supporting large aircraft operations. Prevailing winds consistently originate from the north (0°), with an average speed of 10.5 knots and occasional gusts reaching 40 knots. Calm wind conditions occur approximately 8.9% of the time.

Approach Considerations

Runway 17/35 demonstrates favorable wind alignment, with wind conditions supporting 100% of approaches. Average crosswind components remain relatively moderate at 5 knots. Visibility typically remains excellent, averaging 9.3 statute miles, with minimal instances of restricted visibility (below 3SM occurring in only 1.6% of observations).

Data Sources & Accuracy: Airport information sourced from OurAirports.com, a collaborative database of worldwide airport data. Weather data from official aviation weather services including NOAA Aviation Weather Center and international METAR/TAF providers. Information is updated regularly but pilots should always verify current conditions and NOTAMs through official channels before flight operations.

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.