Fog in Fargo, ND

daily fog outlook & 2016–2026 climatology
No fog signal in NWS guidance for the next 48 hours. August typically brings about 2 hours of dense fog here.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

Measured at Hector International Airport (KFAR). This station is in forecast verification — percentages publish when it clears the accuracy bar.

Measuring station

stationairportfog hours/yrforecast
KFARHector International Airport54 h/yrverifying

Fog is measured where instruments live — airports. Hours/yr = time below CAT I approach minima (visibility under ~½ mile or ceiling under 200 ft), the aviation definition of seriously dense fog.

When Fargo fogs in

Fog here concentrates in December and February — about 54 hours in a typical year at KFAR, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the KFAR station page.

Fog season

January: ~8 hJanFebruary: ~10 hFebMarch: ~9 hMarApril: ~2 hAprMay: ~1 hMayJune: ~1 hJunJuly: ~0 hJulAugust: ~2 hAugSeptember: ~3 hSepOctober: ~2 hOctNovember: ~2 hNovDecember: ~12 hDec
Fog season is January, February, March, September, December, peaking in December; fog is mostly a 2 AM–11 AM phenomenon; typically thinning out by 4 PM; a typical event lasts about 1 hour once it forms local time · 10-yr average

Machine access: data.json · llms.txt · forecast verification. Not for operational use.