Fog in Provo, UT
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 Provo Municipal Airport (KPVU). This station is in forecast verification — percentages publish when it clears the accuracy bar.
Measuring station
| station | airport | fog hours/yr | forecast |
|---|---|---|---|
| KPVU | Provo Municipal Airport | 22 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 Provo fogs in
Fog here concentrates in January and February — about 22 hours in a typical year at KPVU, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the KPVU station page.
Fog season
Fog season runs December through February, peaking in January; fog is mostly a 9 PM–8 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.