Fog in Las Vegas, NM

daily fog outlook & 2016–2026 climatology
No fog signal in NWS guidance for the next 48 hours. dense fog (visibility under a mile) is rare here in August.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

Measured at Las Vegas Municipal Airport (KLVS). This station is in forecast verification — percentages publish when it clears the accuracy bar.

Measuring station

stationairportfog hours/yrforecast
KLVSLas Vegas Municipal Airport49 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 Las Vegas fogs in

Fog here concentrates in November and March — about 49 hours in a typical year at KLVS, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the KLVS station page.

Fog season

January: ~7 hJanFebruary: ~5 hFebMarch: ~7 hMarApril: ~6 hAprMay: ~3 hMayJune: ~1 hJunJuly: ~0 hJulAugust: ~0 hAugSeptember: ~4 hSepOctober: ~6 hOctNovember: ~8 hNovDecember: ~3 hDec
Fog season runs September through May, peaking in November; fog is mostly a 6 AM–8 AM phenomenon; typically thinning out by noon; 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.