CYXE — Saskatoon John G. Diefenbaker International Airport

fog forecast & climatology · Saskatoon city page · full 10-year analysis →
No fog signal in NWS guidance for the next 48 hours. September typically brings about 3 hours of dense fog here.forecast cycle 2026-09-04T13:00:00Z · page rebuilt daily · live layers below update hourly

Fog hours per year
41 h below CAT I minima (2016–2026 average)
Fog season
November and January
Typical fog event
~2 h once it forms (middle half 1–3 h, n=173)
Data through
2026-08-15 · machine-readable data.json

When this airport fogs in

In a typical year Saskatoon John G. Diefenbaker International Airport spends 41 hours below CAT I approach minima (visibility under ~½ mile or ceiling under 200 ft), concentrated in November and January. The strip above shows the hour-by-hour pattern for the current month from ten years of weather observations.

Fog season

January: ~6 hJanFebruary: ~3 hFebMarch: ~5 hMarApril: ~1 hAprMay: ~1 hMayJune: ~0 hJunJuly: ~2 hJulAugust: ~1 hAugSeptember: ~3 hSepOctober: ~3 hOctNovember: ~10 hNovDecember: ~6 hDec
Fog season runs September through March, peaking in November; fog is mostly a 2 AM–8 AM phenomenon; typically thinning out by noon; a typical event lasts about 2 hours once it forms local time · 10-yr average

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.