ATMOSPHERIC
Radiation Fog
Clear calm night, air pooling to its dew point.
How it works
On a clear, calm night the ground radiates its heat away, the air just above cools to its dew point, and fog settles into low ground and valleys. Best right around sunrise before the sun burns it off.
See when it's likely near you
Shotcast scores every hour of your forecast for radiation fog across your saved locations, so you know when it's worth heading out.