Berg Strip (4NA5) Area Aviation Weather & Runway Winds
As of 7:55 AM CDT, Oct 28, based on the nearest station (KMIB), 4NA5 is currently VFR with winds from 230° at 10 knots, visibility 10+ statute miles, and no ceiling reported.
Aviation weather near Berg Strip in Berthold, ND, decoded from the nearest reporting station (KMIB): conditions and runway crosswinds.
Berg Strip (4NA5) is a general aviation airport serving pilots in and around Berthold, ND at a field elevation of 2,250 ft. 4NA5 has no weather station of its own. Conditions here are decoded from KMIB, about 20 nm away, the nearest reporting station, and local conditions can differ. It has one runway (09/27), the longest 1,760 ft. The nearest TAF is issued for KMIB.
No weather station at this airport: showing the nearest station KMIB, 20.3 nm away.
Wind from the southwest (230°) at 10 kt, visibility 10+ statute miles, a few clouds at 22,000 ft, temperature 4°C (38°F), altimeter 29.76 inHg. Conditions are Visual Flight Rules (VFR).
METAR KMIB 281255Z 23010KT 10SM FEW220 04/M00 A2976 RMK AO2A SLP096 T00361004
What changed at KMIB (nearest station)?
Since the 1155Z (6:55 AM CDT) report, compared automatically against the latest METAR.
No significant changes since the 1155Z (6:55 AM CDT) report, conditions are holding steady.
Current pilot readout for 4NA5
Based on the nearest station (KMIB), 4NA5 is currently VFR with winds from 230° at 10 knots, visibility 10+ statute miles, and no ceiling reported. the wind favors west-facing runway ends (27). Density altitude is approximately 1,600 ft (field elevation 2,250 ft). Review the latest TAF below for forecast changes before departure.
New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →
Runway wind check
Estimated head/tailwind and crosswind for each runway end from the current reported wind.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 27FAV | 1,760 ft | TURF | 6 kt head | 8 kt left |
| 09 | 1,760 ft | TURF | 6 kt tail | 8 kt right |
Open the crosswind calculator to try your own wind and runway numbers →
4NA5 runways
1 physical runway · 2 runway ends. Each card opens the runway's intelligence page: equipment and lighting, LAHSO, frequencies, today's configuration, predicted use, history and approaches.
- Status not monitoredRunway 09/271,760 × 36 ft · TURFCurrent useno stated-runway source at 4NA5Wind
- 09
- 6 kt tailwind · 8 kt crosswind from right
- 27
- 6 kt headwind · 8 kt crosswind from left
no active equipment NOTAM receivedView Runway Intelligence →
“Current use” is what the facilitystates; wind components are arithmetic on the current METAR against TRUE headings; status reflects NOTAMs received through SWIM, the tower's TFDM record and the D-ATIS — a runway reads “Open” only with a complete NOTAM picture.
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 24 h: wind 11→10 kt, ceiling 400 ft → unlimited.
4NA5 weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap
NOAA NEXRAD composite and lightning, updated about every five minutes; amber frames are HRRR model guidance, not observed radar. Not for navigation.
Pilot reports (PIREPs) within 100 NM of 4NA5
Reported by pilots in flight over the past 6 hours, via aviationweather.gov.
Show raw report
MOT UA /OV MOT/TM 1251/FL240/TP CRJ7/SK TOP240/TB INTMT LGT CHOP 190-220/IC NEG/RM DURC
MOT UAHeader: reporting station and UA: a routine pilot report.OV MOTLocation: fix or navaid, optionally with a radial and distance in NM.TM 1251Reported at 12:51 UTC.FL240Altitude: 24,000 ft MSL.TP CRJ7Aircraft type reporting.SK TOP240Sky condition: cloud bases and tops in hundreds of feet MSL.TB INTMT LGT CHOP 190-220Turbulence: intermittent light chop 19,000–22,000 ft.IC NEGIcing: none reported.RM DURCRemarks.Show raw report
5H4 UA /OV 5H4/TM 1242/FL140/TP B190/SK SKC/TA UNKN/TB NEG/IC NEG
5H4 UAHeader: reporting station and UA: a routine pilot report.OV 5H4Location: fix or navaid, optionally with a radial and distance in NM.TM 1242Reported at 12:42 UTC.FL140Altitude: 14,000 ft MSL.TP B190Aircraft type reporting.SK SKCSky condition: cloud bases and tops in hundreds of feet MSL.TA UNKNOutside air temperature, °C.TB NEGTurbulence: none reported.IC NEGIcing: none reported.⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.
Recent aviation weather trends at 4NA5
From ATIS Alerts' hourly weather history.
Over the past 24 hours, the nearest station KMIB reported a mix of conditions, most often VFR across 38 observations, with 12 flight-category changes. The lowest ceiling was 400 ft. Wind most often came from the SE.
Most recent change: MVFR → VFR
Most recent change: MVFR → VFR
Share of hours each runway had the most headwind. From wind reports, not ATC assignments.
- 27
- 56%
- 09
- 44%
TAF | Terminal Aerodrome Forecast
Issued 0900Z (4:00 AM CDT)
TAF KMIB 280900Z 2809/2915 20010G20KT 9999 SKC QNH2973INS BECMG 2813/2814 22010G20KT 9999 FEW030 QNH2980INS BECMG 2815/2816 24015G25KT 9999 BKN030 620302 QNH2983INS TEMPO 2816/2820 27020G30KT 510003 BECMG 2823/2824 27010G15KT 9999 BKN030 620303 QNH2996INS BECMG 2903/2904 30009KT 9999 BKN030 620303 QNH3004INS BECMG 2909/2910 30006KT 9999 BKN025 620252 QNH3010INS TX11/2818Z TNM01/2909Z
New to TAFs? How to read one →
Get 4NA5 weather alerts in Telegram
Stop refreshing aviation weather manually. Track 4NA5 in ATIS Alerts and get notified when a new METAR changes the picture: a category drop, or wind and ceiling moving toward your minimums.
Track 4NA5 free on TelegramNo live weather from 4NA5
Live crosswind meter
4NA5 has no weather feed online, so the wind comes from KMIB, 20 nm away.
Wind is 51° off runway 27, the end with the most headwind right now.
Have a weather station at 4NA5? Help us make your field's weather available to every pilot, free. Add your field's wx station →Turf · 1,760 ft. Headings from FAA runway data. Not for navigation.
Field aerial
North up
Imagery: USGS The National Map (public domain). Something off? ✏️ Suggest an edit
Airport info
From the FAA airport record (cycle 2026-10-01) and OurAirports.
Services
- Attended
- Unattended
- Control tower
- None
Airport
- Type
- General aviation airport
- FAA LID
- 4NA5
- City
- Berthold
- State
- North Dakota
- Country
- United States
- Elevation
- 2,250 ft
- Coordinates
- 48.2883, -101.8280
- Runways
- 1 physical runway · 2 runway ends
- Longest runway
- 1,760 ft
- Weather reporting
- Nearest station KMIB
- TAF
- Nearest KMIB
- Time zone
- America/Chicago
- Next sunset
- 10h 23m
Run a flight school, FBO, or club here? Embed 4NA5's live status on your website, free →
Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
8 airports+2 more within 25 NM
25–50 NM
8 airports+2 more within 50 NM
50–100 NM
8 airports+2 more within 100 NM
Pilot PIREPs for Berg Strip (4NA5)
Community-submittedCommunity-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.
Read recent community-submitted pilot notes for Berg Strip, including runway conditions, wildlife activity, FBO/fuel notes, turbulence, ramp access, and local airport tips.
⚠️ Pilot PIREPs on ATIS Alerts are community-submitted airport notes for situational awareness only. They are not official FAA PIREPs, NOTAMs, weather briefings, airport advisories, or flight-planning guidance. Always verify with official FAA/NWS sources, airport management, ATC, and current publications.
No Pilot PIREPs have been submitted for 4NA5 yet. Recently flew here? Help the next pilot by leaving a quick airport note.
Pilot PIREPs are community pilot notes for situational awareness only, not official FAA PIREPs or advisories. Verify with official sources. Notes are moderated before they appear; helpful marks and reports help us keep them useful.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
Spotted incorrect airport info? ✏️ Suggest an edit
How ATIS Alerts works · All US airports · North Dakota airports