Fog in Saint Louis
daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. dense fog (visibility under a mile) is rare here in August (10-year average).
Measured at Saint Louis Airport (GOSS). This station has climatology and live observations only.
Measuring station
| station | airport | fog hours/yr | forecast |
|---|---|---|---|
| GOSS | Saint Louis Airport | 5 h/yr | climatology |
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 Saint Louis fogs in
Fog here concentrates in February and March — about 5 hours in a typical year at GOSS. Hour-by-hour patterns, live conditions and the forecast strip live on the GOSS station page.
Fog season
Fog season is February, peaking in February; fog is mostly a 1 PM–5 PM phenomenon local time · 10-yr average
Machine access: data.json · llms.txt · forecast verification. Not for operational use.