Weather ❯ Atmospheric Conditions

Cloud Cover

Types of Clouds Nubosity Visibility Overcast Humidity Fog Sunshine Partly Cloudy Weather Patterns Nubosidad Precipitation Clear Skies Humidity Levels High Clouds Nuboso Cloud Types Sky Conditions Wind Patterns Temperature Overcast Skies Cumulus Clouds Cold Fronts Types Fog and Mist Partially Cloudy Impact on Visibility Viewing Conditions Low Clouds Onshore Flow Partly Cloudy Skies High Pressure Systems Moisture Cloud Formation Sun and Clouds High Pressure Stratus Clouds Sunny Skies Rain Chances Cloud Patterns Precipitation Probability Storm Approaches Visibility Conditions Temperature Fluctuations Wave Clouds Mid and High Altitude Clouds Mist Convective Clouds Dry Air Cloud Layers Sunny Days Low-Pressure Systems Storms Weather Fronts Weather Reporting Eclipse Weather Forecast Impact on Astronomical Events Weather Events Wind Direction Variability Sunlight Instability Cyclonic Circulation Daytime Stability Temperature Range Sunshine Intervals Passing Clouds Impact on Observations Sunset Thunderstorms Regional Cloud Patterns Temperature Ranges Sky State Regional Variations Wind Humidity Effects Visibility Impact

Persistent Cutoff Low Keeps Northern California Cool as Sierra Fire Risk Rises

The National Weather Service has issued red flag warnings for dry lightning in the Sierra following scattered thunderstorms under the offshore low.