Harlem Airport (K48S) Area Aviation Weather & Runway Winds
Aviation weather near Harlem Airport in Harlem, MT, decoded from the nearest reporting station (KHVR) — conditions, runway crosswinds, and free Telegram airport alerts.
Harlem Airport (K48S) is a general aviation airport serving pilots in and around Harlem, MT at 2,643 ft. K48S has no weather station of its own — conditions here are decoded from KHVR, about 39 nm away, the nearest reporting station, and local conditions can differ. Its 4 runways (11, 15, 29, 33) — longest 4,100 ft — are checked against the current wind in the crosswind table below. CTAF is 122.9. Track it in the ATIS Alerts Telegram bot to get alerts read from KHVR, the station this page is based on.
No weather station at this airport — showing the nearest station KHVR, 39.4 nm away.
Wind from the east-southeast (120°) at 4 kt, visibility 9 statute miles, no cloud data, temperature 26°C (79°F), altimeter 29.78 inHg. Conditions are Visual Flight Rules (VFR).
METAR KHVR 290253Z AUTO 12004KT 9SM CLR 26/09 A2978 RMK AO2 SLP066 T02610089 55010 $
What changed at KHVR (nearest station)?
Since the 0153Z (7:53 PM MDT) report — compared automatically against the latest METAR.
- Temperature fell 5°C between reports.
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Current pilot readout for K48S
Based on the nearest station (KHVR), K48S is currently VFR with winds from 120° at 4 knots, visibility 9 statute miles, and no ceiling reported. The strongest crosswind component is currently on runway 15, about 3 knots. Density altitude is approximately 4,800 ft (field elevation 2,643 ft). Review the latest TAF below for forecast changes before departure.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →
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Track K48S free on TelegramRunway wind check
Estimated head/tailwind and crosswind for each runway end from the current reported wind.
Use this section to quickly compare current wind alignment across available runways at K48S. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 11FAV | 4,100 ft | ASP | 4 kt head | 0 kt |
| 15 | 1,933 ft | GRS | 2 kt head | 3 kt left |
| 33 | 1,933 ft | GRS | 2 kt tail | 3 kt right |
| 29 | 4,100 ft | ASP | 4 kt tail | 0 kt |
Open the crosswind calculator — try your own wind and runway numbers →
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 22 h: wind 6→4 kt, ceiling unlimited → unlimited.
K48S weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast — drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Harlem Airport in Harlem, MT: the NOAA/NWS NEXRAD composite updates about every five minutes, with NOAA lightning strike density overlaid. The loop plays the past 50 minutes, then continues into a future-radar forecast (+1 to +4 hours, NOAA HRRR model) so you can see where precipitation around K48S is headed.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © OpenStreetMap © CARTO
Forecast frames (amber label) are HRRR model guidance, not observed radar. Lightning strike density appears as a blue-white glow when strikes are detected in view. Radar and lightning coverage are limited in parts of Alaska, Hawaii, and offshore areas. Not for navigation.
Recent aviation weather trends at K48S
From ATIS Alerts' hourly weather history.
Over the past 24 hours, the nearest station KHVR reported mostly VFR across 23 observations, with 2 flight-category changes. Wind most often came from the W.
Most recent change: MVFR → VFR
Most recent change: MVFR → VFR
- 11
- 34%
- 15
- 30%
- 29
- 27%
- 33
- 9%
TAF — Terminal Aerodrome Forecast
Issued 2320Z (5:20 PM MDT)
TAF KHVR 282320Z 2900/2924 VRB06KT 6SM FU SKC
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Airport facts
Reference data from the OurAirports dataset.
- Type
- General aviation airport
- FAA LID
- 48S
- City
- Harlem
- State
- Montana
- Country
- United States
- Elevation
- 2,643 ft
- Coordinates
- 48.5661, -108.7730
- Runways
- 4
- Longest runway
- 4,100 ft
- Weather reporting
- Nearest station KHVR
- TAF
- Nearest KHVR
- CTAF
- 122.9 MHz
- Time zone
- America/Denver
- Next sunset
- 23h 4m
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Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
2 airports25–50 NM
1 airport50–100 NM
8 airports+2 more within 100 NM
K48S weather — frequently asked
What runways are available at K48S?+
K48S has 4 runways — 11, 15, 29, 33; the longest is 4,100 ft. This page computes the live crosswind for each runway end from the current wind.
Where does the weather shown for K48S come from?+
Harlem Airport does not have its own weather station. Conditions shown here come from the nearest reporting station, KHVR, about 39 nm away — close enough for situational awareness, but local conditions at K48S can differ.
Does K48S have a TAF?+
Yes — the KHVR TAF is shown on this page below the current conditions.
Does K48S broadcast D-ATIS?+
No — K48S does not broadcast D-ATIS. Alerts for K48S from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.
Pilot PIREPs for Harlem Airport (K48S)
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 Harlem Airport, 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 K48S 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.
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⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
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