Snake River Seaplane Base (78U) Area Aviation Weather & Runway Winds
Aviation weather near Snake River Seaplane Base in Lewiston, ID, decoded from the nearest reporting station (KLWS): conditions, runway crosswinds, and free Telegram airport alerts.
Snake River Seaplane Base (78U) is a seaplane base in Lewiston, ID. 78U has no weather station of its own. Conditions here are decoded from KLWS, about 2 nm away, the nearest reporting station, and local conditions can differ. Its 2 runways (N, S), longest 3,000 ft, are checked against the current wind in the crosswind table below. The nearest TAF is issued for KLWS. Track it in the ATIS Alerts Telegram bot to get alerts read from KLWS, the station this page is based on.
No weather station at this airport: showing the nearest station KLWS, 2 nm away.
Wind from the west-northwest (290°) at 11 kt, gusting 20 kt, visibility 10+ statute miles, broken clouds at 11,000 ft, temperature 20°C (68°F), altimeter 29.73 inHg. Conditions are Visual Flight Rules (VFR), ceiling 11,000 ft.
METAR KLWS 130556Z AUTO 29011G20KT 10SM BKN110 20/07 A2973 RMK AO2 RAB0458E16 PRESRR SLP062 P0000 60000 T02000072 10272 20200 51029 $
What changed at KLWS (nearest station)?
Since the 0456Z (9:56 PM PDT) report, compared automatically against the latest METAR.
- Temperature down 3°C.
This is exactly what ATIS Alerts watches for you: get a Telegram message when 78U's weather changes, free →
Current pilot readout for 78U
Based on the nearest station (KLWS), 78U is currently VFR with winds from 290° at 11 knots gusting 20, visibility 10+ statute miles, and a 11,000 ft ceiling. The strongest crosswind component is currently on runway N, about 10 knots. Density altitude is approximately 1,750 ft (field elevation 735 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 →
Get 78U weather alerts in Telegram
Stop refreshing aviation weather manually. Track 78U 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 78U 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 78U. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| NFAV | 3,000 ft | WATER | 4 kt head | 10 kt left (g19) |
| S | 3,000 ft | WATER | 4 kt head | 10 kt left (g19) |
Open the crosswind calculator to try your own wind and runway numbers →
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 23 h: wind 3→11 kt, ceiling unlimited → 11,000 ft.
78U weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Snake River Seaplane Base in Lewiston, ID: 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 78U is headed.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap
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.
Pilot reports (PIREPs) within 100 NM of 78U
Reported by pilots in flight over the past 6 hours, via aviationweather.gov.
Show raw report
PSC UA /OV PSC030003/TM 0451/FL020/TP E75L/RM LLWS +/- 5KT
PSC UAHeader: reporting station and UA: a routine pilot report.OV PSC030003Location: fix or navaid, optionally with a radial and distance in NM.TM 0451Reported at 04:51 UTC.FL020Altitude: 2,000 ft MSL.TP E75LAircraft type reporting.RM LLWS +/- 5KTRemarks.Show raw report
GEG UA /OV GEG270025/TM 0433/FL340/TP A321/TB CONS MOD/RM ZSE
GEG UAHeader: reporting station and UA: a routine pilot report.OV GEG270025Location: fix or navaid, optionally with a radial and distance in NM.TM 0433Reported at 04:33 UTC.FL340Altitude: 34,000 ft MSL.TP A321Aircraft type reporting.TB CONS MODTurbulence: continuous moderate.RM ZSERemarks.Show raw report
PSC UA /OV PSC030003/TM 0354/FL020/TP E75L/TB CONS LGT BLO 070/RM LLWS REPORTED BUT GAINS/LOSSES DID NOT HAVE AN EXACT NUMBER
PSC UAHeader: reporting station and UA: a routine pilot report.OV PSC030003Location: fix or navaid, optionally with a radial and distance in NM.TM 0354Reported at 03:54 UTC.FL020Altitude: 2,000 ft MSL.TP E75LAircraft type reporting.TB CONS LGT BLO 070Turbulence: continuous light blo 070.RM LLWS REPORTED BUT GAINS/L…Remarks.Show raw report
YKM UUA /OV YKM070060/TM 0334/FL340/TP A319/TB INTMT MOD SEV/RM BORDERLINE SEVERE ZSE
YKM UUAHeader: reporting station and UUA: an URGENT pilot report (severe conditions, wind shear, or similar).OV YKM070060Location: fix or navaid, optionally with a radial and distance in NM.TM 0334Reported at 03:34 UTC.FL340Altitude: 34,000 ft MSL.TP A319Aircraft type reporting.TB INTMT MOD SEVTurbulence: intermittent moderate severe.RM BORDERLINE SEVERE ZSERemarks.Show raw report
PSC UUA /OV PSC030006/TM 0334/FL010/TP A319/RM LLWS +20KT 010-030 DURD ILS RWY21R
PSC UUAHeader: reporting station and UUA: an URGENT pilot report (severe conditions, wind shear, or similar).OV PSC030006Location: fix or navaid, optionally with a radial and distance in NM.TM 0334Reported at 03:34 UTC.FL010Altitude: 1,000 ft MSL.TP A319Aircraft type reporting.RM LLWS +20KT 010-030 DURD I…Remarks.Show raw report
GEG UA /OV GEG250035/TM 0328/FL320/TP B737/TB CONS MOD 300-320/RM OCNL LGT MOD TURB 280 ZSE
GEG UAHeader: reporting station and UA: a routine pilot report.OV GEG250035Location: fix or navaid, optionally with a radial and distance in NM.TM 0328Reported at 03:28 UTC.FL320Altitude: 32,000 ft MSL.TP B737Aircraft type reporting.TB CONS MOD 300-320Turbulence: continuous moderate 30,000–32,000 ft.RM OCNL LGT MOD TURB 280 ZSERemarks.Show raw report
ARP UAL2341 4515N 11821W 0319 F341 223/114KT TB MOD TURB IC
ARP UAL2341 4515N 11821W 031…Header: reporting station and UA: a routine pilot report.Show raw report
GEG UA /OV KGEG/TM 0311/FL370/TP B38M/TB CONS LGT-MOD 370 /RM ZSE
GEG UAHeader: reporting station and UA: a routine pilot report.OV KGEGLocation: fix or navaid, optionally with a radial and distance in NM.TM 0311Reported at 03:11 UTC.FL370Altitude: 37,000 ft MSL.TP B38MAircraft type reporting.TB CONS LGT-MOD 370Turbulence: continuous light to moderate 370.RM ZSERemarks.⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.
Recent aviation weather trends at 78U
From ATIS Alerts' hourly weather history.
Over the past 24 hours, the nearest station KLWS reported mostly VFR across 24 observations, with 0 flight-category changes. The strongest gust reached 22 kt, the lowest ceiling was 10,000 ft. Wind most often came from the W.
- N/S
- 100%
TAF | Terminal Aerodrome Forecast
Issued 0520Z (10:20 PM PDT)
TAF KLWS 130520Z 1306/1406 28012G22KT P6SM -SHRA SCT060 OVC090 FM131100 28009KT P6SM -RA OVC035 FM131400 20005KT P6SM -SHRA OVC050 FM131600 26007KT P6SM SCT045 BKN070 PROB30 1320/1322 6SM -SHRA BKN040 FM140100 24006KT P6SM -RA OVC035
New to TAFs? How to read one →
Want forecast changes pushed to you? Start free on Telegram → TAF heads-ups are part of Premium · see what Premium includes
Get free ATIS alerts for 78U
We'll message you on Telegram when a new report moves the picture near 78U (Snake River Seaplane Base): alerts read from KLWS, the station this page uses.
Track 78U on TelegramFree • no app to install • unsubscribe anytime
Airport facts
Reference data from the OurAirports dataset.
- Type
- Seaplane base
- FAA LID
- 78U
- City
- Lewiston
- State
- Idaho
- Country
- United States
- Elevation
- 735 ft
- Coordinates
- 46.3646, -117.0620
- Runways
- 2
- Longest runway
- 3,000 ft
- Weather reporting
- Nearest station KLWS
- TAF
- Nearest KLWS
- Time zone
- America/Los_Angeles
- Next sunset
- 19h 35m
Run a flight school, FBO, or club here? Embed 78U'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
10 airports+4 more within 25 NM
25–50 NM
6 airports50–100 NM
8 airports+2 more within 100 NM
RC flying fields nearby
AMA model-aircraft club fields around this airport: live wind, crosswind & flyability on each page.
- Mann Lake , Lewiston, ID · 10 mi
- Palouse Region R/C Flyers - Leroy Johnson/Chambers RC Field , Pullman, WA · 20 mi
78U weather: frequently asked
What runways are available at 78U?+
78U has 2 runways: N, S; the longest is 3,000 ft. This page computes the live crosswind for each runway end from the current wind.
Where does the weather shown for 78U come from?+
Snake River Seaplane Base does not have its own weather station. Conditions shown here come from the nearest reporting station, KLWS, about 2 nm away, close enough for situational awareness, but local conditions at 78U can differ.
Does 78U have a TAF?+
Yes. The KLWS TAF is shown on this page below the current conditions.
Does 78U broadcast D-ATIS?+
No. 78U does not broadcast D-ATIS. Alerts for 78U from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.
Pilot PIREPs for Snake River Seaplane Base (78U)
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 Snake River Seaplane Base, 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 78U 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.
Why pilots use ATIS Alerts
Free aviation weather and ATIS change alerts for GA pilots, delivered on Telegram, so a change catches your eye before it catches you off guard.
- Get pinged the moment 78U drops below VFR or a new report moves your numbers.
- Live METAR, TAF, crosswinds, and FAA delays: one link, always current.
- Free, no app to install, and you can track any US airport. Unsubscribe anytime.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
Spotted incorrect airport info? ✏️ Suggest an edit