Forecast Details for Potter Valley, CA

Recent Locations: Disputanta, VA   Valyermo, CA   Potter Valley, CA  
Current Alerts for Potter Valley, CA: Frost Advisory
Tonight: Widespread frost after 2am. Otherwise, clear, with a low around 32. Northwest wind 5 to 8 mph becoming calm in the evening.
Friday: Widespread frost before 11am. Otherwise, sunny, with a high near 79. Calm wind becoming northeast around 6 mph in the afternoon.
Friday Night: Mostly clear, with a low around 38. Northeast wind around 6 mph becoming calm in the evening.
Saturday: Sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night: Mostly clear, with a low around 41. Light and variable wind.
Sunday: Mostly sunny, with a high near 84. Light and variable wind.
Sunday Night: Mostly clear, with a low around 44.
Monday: Mostly sunny, with a high near 81.
Monday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 42.
Tuesday: A slight chance of rain after 11am. Areas of fog before 8am. Otherwise, mostly sunny, with a high near 76.
Tuesday Night: A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 43.
Wednesday: A chance of rain. Areas of fog. Otherwise, partly sunny, with a high near 70.
Wednesday Night: A slight chance of rain. Patchy fog. Otherwise, partly cloudy, with a low around 39.
Thursday: Patchy fog. Otherwise, mostly sunny, with a high near 72.

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Current U.S. National Radar--Current

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Current U.S. National Radar

National Weather Forecast--Current

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Today's National Weather Map

National Weather Forecast for Tomorrow

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North America Water Vapor (Moisture)

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Weather Topic: What are Nimbostratus Clouds?

Home - Education - Cloud Types - Nimbostratus Clouds

Nimbostratus Clouds Next Topic: Precipitation

A nimbostratus cloud is similar to a stratus cloud in its formless, smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud, because it is thicker.

Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat of moderate to heavy precipitation. In some cases, the precipitation may evaporate before reaching the ground, a phenomenon known as virga.

Next Topic: Precipitation

Weather Topic: What is Rain?

Home - Education - Precipitation - Rain

Rain Next Topic: Shelf Clouds

Precipitation in the form of water droplets is called rain. Rain generally has a tendency to fall with less intensity over a greater period of time, and when rainfall is more severe it is usually less sustained.

Rain is the most common form of precipitation and happens with greater frequency depending on the season and regional influences. Cities have been shown to have an observable effect on rainfall, due to an effect called the urban heat island. Compared to upwind, monthly rainfall between twenty and forty miles downwind of cities is 30% greater.

Next Topic: Shelf Clouds

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