KECS/ECS METAR Mondell Field

Newcastle, WyomingElevation 4,174 ftSmall airport

CURRENT STATUS

MVFR23 min old

Ceiling 1,400 ft, visibility 10 SM.

FLIGHT CATEGORY

MVFR

ceiling & visibility

WIND

140@7

steady

VISIBILITY

10 SM

16.1 km

CEILING

1,400 ft

lowest BKN/OVC

DENSITY ALT

3,264 ft

-910 ft vs field

ACTIVE NWS ALERTS

Active weather alerts

Special Weather StatementModerate · Expected · Observed

27 0425Z to 27 1200Z

Harding; Northern Perkins; Butte; Northern Meade Co Plains; Ziebach; Northern Foothills; Rapid City; Southern Foothills; Central Black Hills; Southern Black Hills; Custer Co Plains; Pennington Co Plains; Haakon; Western Fall River; Northern Oglala Lakota; Northern Jackson; Bennett; Mellette; Todd; Tripp; Sturgis/Piedmont Foothills; Southern Meade Co Plains; Hermosa Foothills; Eastern Fall River; Southern Oglala Lakota; Southern Jackson; Southern Perkins; Northern Campbell; Southern Campbell; Western Crook; Weston County Plains; Newcastle; Northeastern Crook

Areas of fog will continue overnight over most of northeastern Wyoming and western South Dakota. Patchy dense fog will occur through sunrise. With temperatures near freezing, elevated surfaces such as overpasses and bridges may become slick. Motorists should expect rapidly changing visibility, down to near zero at times. Remember to use your low beam headlights in fog, slow down, and provide ple…

Alerts from the National Weather Service. For situational awareness only; always confirm against an official briefing.

CURRENT METAR

Decoded observation

Observed 0635Z (12:35 AM local) · 23 min old

KECS is currently MVFR. Winds are from the southeast at 7 knots. Visibility is 10 statute miles. The ceiling is 1,400 feet AGL. The main issue is ceiling 1400 ft agl (mvfr).

WIND

140° at 7 kt

Steady.

VISIBILITY

10 statute miles

16.1 km, good.

CEILING & SKY

Ceiling 1,400 ft

Lowest broken or overcast layer.

TEMP / DEWPOINT

0°C / -1°C

32°F / 30°F. 1°C spread.

ALTIMETER

30.03 inHg

1016.9 hPa, near standard.

WEATHER & HAZARDS

LOW CIG

Ceiling 1400 ft AGL (MVFR).

Codes in this report: AUTO SCT OVC RMK AO2

Hover or tap any group for a plain-English explanation.

REMARKS: DECODED

AO2

automated station with a precipitation discriminator (can tell rain from snow)

FAA: no delays reported at ECS.

Source: FAA System Operations (ASWS). Operational status only; verify with official FAA sources and NOTAMs.

SUGGESTED RISK · TRAINING USE

Suggested risk level: Moderate

›Conditions are MVFR.

›No TAF available for this airport.

A suggested risk level for training and situational awareness only, not a go/no-go authority. Verify with official sources and apply your personal minimums.

FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

Current aviation conditions show flight category MVFR, wind from 140° at 7 kt, visibility 10 SM, ceiling 1,400 ft. Forecast suggests tuesday patchy fog then mostly sunny, high near 61F, low near 39F, 7% chance of precipitation. Key risks: strong winds in the forecast.

PILOT WEATHER NOTES

Strong winds in the forecastWeather.gov

Tuesday: winds up to 25 kt. Re-check crosswind components closer to departure.

Day	Conditions	Temp F	Wind	Gusts	Precip	Pilot note
Tuesday	Patchy Fog then Mostly Sunny	61/39	SW 18 kt	25 kt	7%	Strong winds in the forecast
Wednesday	Sunny	58/36	NW 5 kt	–	8%
Thursday	Sunny	61/41	SE 3 kt	–	0%
Friday	Partly Sunny	61/43	SE 12 kt	–	5%
Saturday	Mostly Sunny	62/42	S 3 kt	–	15%
Sunday	Light Rain Likely	58/37	S 14 kt	–	65%
Monday	Rain And Snow Likely	49	NW 25 kt	–	55%

Source: National Weather Service (office UNR). Forecast issued 0658Z.

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

1 runway · crosswind ranking

ON-FIELD METAR

READING THE BARB · SWIPE FOR MORE →

Calm

5 kt

10 kt

15 kt

20 kt

25 kt

30 kt

35 kt

40 kt

45 kt

50 kt

65 kt

75 kt

100 kt

105 kt

Half feather = 5 kt, full = 10 kt, filled pennant = 50 kt; add them up. The staff points the direction the wind blows from.

WIND USED

140° at 7 kt

Components computed from the current on-field METAR wind.

RECOMMENDED

RWY 147 kt headwind · no crosswind

RUNWAYS BY WIND · best end

HEAD

7 kt

CROSS

calm

BEST

HEAD

7 kt tail

CROSS

calm

Components are estimates from the current METAR wind and runway heading. Verify with the Chart Supplement and NOTAMs.

RUNWAYS

Runway detail & declared distances

1 runway · longest 5,310 ft

14/32

Dimensions

5,310 x 75 ft

Surface

Asphalt (good)

Edge lights

MED

RWY 14144°T

REILYes

VGSIPAPI (P2L)

Traffic patternRight

RWY 32324°T

Approach lightsODALS

VGSIPAPI (P2L)

Traffic patternLeft

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

FIELD CONDITIONS

Performance & density altitude

Density altitude

3,264 ft

Pressure altitude

4,064 ft

Field elevation

4,174 ft MSL

Temperature

0°C (32°F)

Dewpoint

-1°C (30°F)

Altimeter

30.03 inHg

Density altitude estimates how the aircraft performs versus standard atmosphere. Higher density altitude reduces climb performance and increases takeoff distance.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset

2356Z 5:56 PM

Sunrise

1326Z 7:26 AM

Loggable night

0025Z (6:25 PM local) → 1257Z (6:57 AM local)

end of evening to start of morning civil twilight

Position lights required

2356Z (5:56 PM local) → 1326Z (7:26 AM local)

sunset to sunrise (91.209)

Night passenger currency

0056Z (6:56 PM local) → 1226Z (6:26 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

Mondell Field is in Newcastle, Wyoming. Field elevation 4,174 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT

OwnershipPublicly owned

UseOpen to the public

TypeSmall airport

ManagerBYRAND STREETER

Manager phone307-746-4666

AttendedALL MON-SAT, 0800–1700

CHARTS & AIRSPACE

ICAO / IATAKECS / ECS

SectionalCHEYENNE

Center (ARTCC)DENVER

Flight service (AFSS)CASPER

RegionWyoming

CountryUnited States

Coordinates43.8838, -104.3142

Distance from city5 NM NW

SERVICES & LIGHTING

Fuel100LL · Jet A

Control towerNon-towered

Field lightingSee remarks

BeaconSunset to sunrise · White-green (lighted land airport)

CTAF122.800

UNICOM122.800

FREQUENCIES

Communications

118

AWOS 3

AWOS

127.95

DENVER CNTR

CNTR

122.5

CASPER RDO

RDO

122.8

CTAF/UNICOM

UNIC

122.800

CTAF

122.800

UNICOM

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

AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

Current flight category at nearby reporting stations.

KSPF Black Hills Airport-Clyde Ice Field

42 NM NE

LIFR

KRCA Ellsworth Air Force Base

55 NM E

IFR

KRAP Rapid City Regional Airport

55 NM E

LIFR

KGCC Northeast Wyoming Regional Airport

60 NM NW

IFR

KDGW Converse County Airport

80 NM SW

LIFR

KCDR Chadron Municipal Airport

82 NM SE

IFR

AIRPORT REMARKS

Operational remarks

›HIGH VOL OF ACFT OPRNG INVOF OF MT RUSHMORE AND CRAZY HORSE MONUMENTS AT OR BLW 7500 FT; PILOTS ARE ADVISED TO MNT 122.85 FOR TFC ADVISORIES.

›PILOT SUPPLIED ROPES RQD FOR TIE DOWNS.

›SOFT SHOULDERS NEAR EDGES OF RWYS, TWYS, & RAMPS.

›EXISTED PRIOR TO 1959.

›WILDLIFE ON OR NEAR THE RWYS. MIGRATORY BIRD FLT PATHS NEAR ARPT.

›FOR FUEL AFT HRS PHONE 307-746-5805.

›FOR ATTENDANT AFT HRS CALL 307-746-5805.

›FOR CD IF UNA TO CTC ON FSS FREQ, CTC DENVER ARTCC AT 303-651-4257.

›UNATNDD MAJOR HOLS - CALL AFT HRS ON THESE DAYS.

›ACTVT ODALS RWY 32; REIL RWY 14; PAPI RWY 14 & 32; MIRL RWY 14/32 - CTAF.

›PHONE NUMBER FOR CITY 307-746-3535

OFFICIAL LINKS & SOURCES

↗Official METAR on AviationWeather.gov

↗Search NOTAMs (official FAA NOTAM Search)

↗KECS on OurAirports

FREQUENTLY ASKED

Does KECS have a METAR?

Yes. KECS has a current METAR observation, decoded into plain English on this page.

Does KECS have a TAF?

When KECS issues a TAF, its decoded forecast timeline loads live on this page; otherwise use the nearest TAF-issuing field as a planning reference.

What is the field elevation at KECS?

KECS sits at 4,174 ft MSL, which factors into the density-altitude estimate on this page.

Is this an official preflight weather briefing for KECS?

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.