C35 Reedsburg Muni

PROBABLE 60%

Runway 25 — wind slightly favors it, low confidence

Based mostly on wind; no traffic or ATIS to confirm. No D-ATIS feed here — a voice ATIS/AWOS may exist; check the frequency. No ADS-B traffic data available.

certainty: 60% evidence: WEAK no tower now

Wind 220° true at 12 kt · VFR · 18 min old · from KDLL (9.1 nm away)

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25 55% 2510 ft · 10 kt head, 6 kt x-left

18 45% 4840 ft · 9 kt head, 8 kt x-right

36 <1% 4840 ft · 9 kt TAIL, 8 kt x-left

7 <1% 2510 ft · 10 kt TAIL, 6 kt x-right

Active NOTAMs affecting runways

LIGHTING RWY 18 until 04-01 21:11Z

RWY 18 RWY END ID LGT U/S

Why — evidence behind this answer

Runway 25

WIND 11 kt headwind, 6 kt left crosswind 18 min ago +2.09
PRIOR runway length 2510 ft -0.07

Runway 18

WIND 9 kt headwind, 8 kt right crosswind 18 min ago +1.76
PRIOR runway length 4840 ft +0.07

Runway 36

WIND 9 kt TAILWIND, 8 kt left crosswind 18 min ago -13.44
PRIOR runway length 4840 ft +0.07

Runway 7

WIND 11 kt TAILWIND, 6 kt right crosswind 18 min ago -16.86
PRIOR runway length 2510 ft -0.07

Sources consulted

source	status	age	note
D_ATIS	UNAVAILABLE		No D-ATIS at this field
METAR	OK	18 min	Nearest station KDLL (9.1 nm away)
ADSB	UNAVAILABLE		No ADS-B track history here yet
NOTAM	OK
CIFP	NOT_CONFIGURED		Instrument procedures: phase 4

Recent operations

No operations observed in the last hour. (No ADS-B track history here yet)

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C35 field & runways

Reedsburg Muni, Reedsburg, Wisconsin. Field elevation 906 ft. Non-towered (NON-ATCT). Magnetic variation 0.0°W on record, 2.6°W today.

The FAA's variation of record is the number this field was surveyed against; the second is where north points now, from WMM2025. It is moving 0.032°/year west — about 1° every 31 years — which is why runway numbers eventually stop matching their pavement.

Runway data from the FAA NASR 01 Oct 2026 cycle. Where NASR locates both thresholds, the true heading is the bearing between them rather than NASR's whole-degree alignment. Magnetic is that heading against *today's* declination from WMM2025, not the field's variation of record — so it can differ from the chart by the gap between the two shown above. The number painted on the runway is the one ATC uses.
Runway	True	Magnetic	Number	Length	Surface	Pattern
18	180.5°	183.1°	matches	4,840 ft	ASPH	left
25	248.9°	251.5°	matches	2,510 ft	ASPH	left
36	0.5°	3.1°	matches	4,840 ft	ASPH	left
7	68.9°	71.5°	matches	2,510 ft	ASPH	left

Generated 11:13:11Z · auto-refreshes · JSON

C35 ☆ Reedsburg Muni