Fog in Sidney, NE

daily fog outlook & 2016–2026 climatology
No fog signal in NWS guidance for the next 48 hours. August typically brings about 7 hours of dense fog here.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

Measured at Sidney Municipal Airport Lloyd W Carr Field (KSNY). This station is in forecast verification — percentages publish when it clears the accuracy bar.

Measuring station

stationairportfog hours/yrforecast
KSNYSidney Municipal Airport Lloyd W Carr Field63 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 Sidney fogs in

Fog here concentrates in March and February — about 63 hours in a typical year at KSNY, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the KSNY station page.

Fog season

January: ~4 hJanFebruary: ~6 hFebMarch: ~8 hMarApril: ~4 hAprMay: ~5 hMayJune: ~3 hJunJuly: ~5 hJulAugust: ~7 hAugSeptember: ~4 hSepOctober: ~5 hOctNovember: ~6 hNovDecember: ~6 hDec
Fog season is year-round, peaking in March; fog is mostly a 3 AM–8 AM phenomenon; typically thinning out by 10 AM; a typical event lasts about 2 hours once it forms local time · 10-yr average

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