KSPS — Wichita Falls Municipal Airport / Sheppard Air Force Base

fog forecast & climatology · Wichita Falls city page · full 10-year analysis →
No fog signal in NWS guidance for the next 48 hours. dense fog (visibility under a mile) is rare here in September.forecast cycle 2026-09-04T13:00:00Z · page rebuilt daily · live layers below update hourly

Fog hours per year
23 h below CAT I minima (2016–2026 average)
Fog season
December and February
Typical fog event
~2 h once it forms (middle half 1–3 h, n=101)
Data through
2026-08-15 · machine-readable data.json

When this airport fogs in

In a typical year Wichita Falls Municipal Airport / Sheppard Air Force Base spends 23 hours below CAT I approach minima (visibility under ~½ mile or ceiling under 200 ft), concentrated in December and February. The strip above shows the hour-by-hour pattern for the current month from ten years of weather observations.

Fog season

January: ~2 hJanFebruary: ~4 hFebMarch: ~1 hMarApril: ~2 hAprMay: ~0 hMayJune: ~1 hJunJuly: ~0 hJulAugust: ~0 hAugSeptember: ~0 hSepOctober: ~1 hOctNovember: ~1 hNovDecember: ~10 hDec
Fog season is February, December, peaking in December; fog is mostly a 4 AM–9 AM phenomenon; typically thinning out by 10 AM; a typical event lasts about 2 hours once it forms local time · 10-yr average

Runway infrastructure

endapproach lightsbest approachlengthRVR
15CALSF-110,003 ft
33CALSF-110,003 ft
15L6,000 ft
33R6,000 ft
15RMALSR13,100 ft
33LMALSRCAT I13,100 ft
187,021 ft
367,021 ft

From FAA NASR / curated AIP Canada research. Approach-light class and minima tier drive how low an approach can be flown — details in the chase board.

For flight operations

EFVS crews: the CHASE board ranks airports by live fog status, approach lighting, go-around height and flight time from your base. Forecast probabilities publish here per-airport once the calibrated model beats climatology on live verification — receipts on the scorecard. Methodology.

Sources: NOAA/NWS National Blend of Models guidance · METAR observations 2016–2026 (Iowa Environmental Mesonet) · FAA NASR. Machine access: data.json · llms.txt. Not for operational use.