99MN Weather St Mary's Hospital Heliport

Rochester, MinnesotaElevation 1,166 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KRST · 7 NM S · 5 min old
Ceiling 3,500 ft, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KRST
WIND
030@10
steady
VISIBILITY
10 SM
16.1 km
CEILING
3,500 ft
lowest BKN/OVC
FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No aviation METAR is published for this airport. The nearest National Weather Service station reports wind from 20° at 10 kt, visibility 10 SM, temperature 10C. Treat this as supplemental, not an aviation observation. Forecast suggests monday rain showers likely, high near 51F, low near 46F, 55% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES
Thunderstorms in the forecastWeather.gov
Thursday: Slight Chance Showers And Thunderstorms then Mostly Sunny. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
Monday Rain Showers Likely 51/46 NE 8 kt – 55%
Tuesday Slight Chance Rain Showers then Mostly Cloudy 66/54 S 11 kt 20 kt 20%
Wednesday Partly Sunny then Chance Rain Showers 71/55 S 9 kt 16 kt 81%
Thursday Slight Chance Showers And Thunderstorms then Mostly Sunny 65/48 NW 4 kt – 24% Thunderstorms in the forecast
Friday Chance Rain Showers 65/53 E 6 kt – 53%
Saturday Rain Showers Likely 65/53 SE 7 kt – 60%
Sunday Chance Rain Showers 64 SW 5 kt – 28%

Source: National Weather Service (office ARX). Forecast issued 0653Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

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RUNWAYS & WIND
Crosswind calculator
No runway layout is available for 99MN. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 91 ft

H1
Dimensions
91 x 51 ft
Surface
Concrete
Edge lights
PERI
RWY H1

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Field elevation

Field elevation
1,166 ft MSL

Density and pressure altitude need a current temperature and altimeter from the METAR.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2310Z 6:10 PM
Sunrise
1238Z 7:38 AM
Loggable night
2339Z (6:39 PM local) → 1208Z (7:08 AM local)
end of evening to start of morning civil twilight
Position lights required
2310Z (6:10 PM local) → 1238Z (7:38 AM local)
sunset to sunrise (91.209)
Night passenger currency
0010Z (7:10 PM local) → 1138Z (6:38 AM local)
1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

St Mary's Hospital Heliport is in Rochester, Minnesota. Field elevation 1,166 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeHeliport
ManagerDYLAN HARDY
Manager phone507-266-1487
AttendedContinuous (24 hours)
CHARTS & AIRSPACE
ICAO / IATA99MN
SectionalGREEN BAY
Center (ARTCC)MINNEAPOLIS
Flight service (AFSS)PRINCETON
RegionMinnesota
CountryUnited States
Coordinates44.0198, -92.4831
Distance from city0 NM N
SERVICES & LIGHTING
FuelJet A
Control towerNon-towered
Field lightingSee remarks
BeaconSee remarks · White-green-yellow (heliport)
CTAF123.050
UNICOM123.050
FREQUENCIES

Communications

123.050
CTAF
CTAF
123.050
UNICOM
UNICOM

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRCRAFT ACTIVITY

99MN traffic patterns

2026-06-14 to 2026-10-20, 10 days observed · data 2026-10-23

Low confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
2
AVG OPS/DAY
3
Operations trend (1 days)

Busiest day: Thu · Busiest month: Oct

FLEET MIX
Helicopter 100%

Mostly rotorcraft.

TOP AIRCRAFT TYPES
›EC45 (Helicopter) · ~2 landings/mo
›A119 (Helicopter) · ~1 landings/mo
›EC35 (Helicopter) · ~1 landings/mo
›A109 (Helicopter) · ~0 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly rotorcraft.

›EC45 (Helicopter)

This is an estimate based on repeated flight patterns, not registration data. Do not rely on it to identify specific aircraft or owners.

Data limitations (4)
›ADS-B coverage is incomplete; counts are an observed lower bound, not official totals.
›Some aircraft do not transmit usable ADS-B and are not counted.
›Aircraft types and based estimates are inferred and may be wrong.
›This is not official ATC, FAA, or airport data.
NEARBY AIRPORTS

Weather reference stations

99MN has no on-field report. Nearest reporting station: KRST (7 NM S, VFR).

AIRPORT REMARKS

Operational remarks

›PHONE REQ FOR PERIMETER LGTS CALL 507-255-2808 OR USE FREQ 155.385 TONE 141.3 OR 155.340 TONE 210.7 OR 130.075.
›PRVDD ALL OPS CONDUCTED IN AN AREA 170-330 CLKWS; AREA APROPLY MKD; WIND INDCR MNTND.
›ACTVT ROTG BCN - 5 CLICKS CTAF.
›MEDICAL USE.
›FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.
›9MN AWOS IS ASSOCIATED WITH HELIPORT 99MN.
FREQUENTLY ASKED
Does 99MN have a METAR?
No on-field METAR is issued for 99MN. This page uses the nearest reporting station as a reference.
Does 99MN have a TAF?
No TAF is issued directly for 99MN. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 99MN?
99MN sits at 1,166 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 99MN?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.