Fog in Clovis, NM
daily fog outlook & 2016–2026 climatology
No fog signal in NWS guidance for the next 48 hours. August typically brings about 1 hour of dense fog here.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly
Measured at Clovis Municipal Airport (KCVN). This station is in forecast verification — percentages publish when it clears the accuracy bar.
Measuring stations
| station | airport | fog hours/yr | forecast |
|---|---|---|---|
| KCVN | Clovis Municipal Airport | 33 h/yr | verifying |
| KCVS | Cannon Air Force Base | 26 h/yr | verifying |
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 Clovis fogs in
Fog here concentrates in January and December — about 33 hours in a typical year at KCVN, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the KCVN station page.
Fog season
Fog season is January, February, May, July, September, October, November, December, peaking in January; fog is mostly a 4 AM–7 AM phenomenon; typically thinning out by 9 AM; 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.