Forecast Details for Forestville, CA

Recent Locations: North Wilkesboro, NC Forestville, CA

Overnight: Areas of fog. Otherwise, partly cloudy, with a low around 53. Calm wind.

Monday: A 30 percent chance of rain, mainly after 11am. Areas of fog before 10am. Otherwise, partly sunny, with a high near 76. Calm wind becoming southwest 5 to 7 mph in the afternoon.

Monday Night: A 50 percent chance of rain. Areas of fog after 10pm. Otherwise, mostly cloudy, with a low around 58. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

Tuesday: Rain likely before 11am, then a chance of showers after 11am. Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 75. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday Night: A 20 percent chance of showers before 11pm. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 53. West southwest wind 5 to 7 mph becoming calm in the evening.

Wednesday: A 30 percent chance of showers, mainly after 11am. Areas of fog before 9am. Otherwise, partly sunny, with a high near 79. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 52.

Thursday: A slight chance of showers after 11am. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 81.

Thursday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 52.

Friday: Areas of fog before 9am. Otherwise, sunny, with a high near 84.

Friday Night: Patchy fog. Otherwise, mostly clear, with a low around 52.

Saturday: Areas of fog. Otherwise, mostly sunny, with a high near 83.

Saturday Night: Patchy fog. Otherwise, partly cloudy, with a low around 53.

Sunday: Patchy fog. Otherwise, mostly sunny, with a high near 83.

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North America Water Vapor (Moisture)

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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

Weather Topic: What is Sleet?

Home - Education - Precipitation - Sleet

Sleet Next Topic: Snow

Sleet is a form of precipitation in which small ice pellets are the primary components. These ice pellets are smaller and more translucent than hailstones, and harder than graupel. Sleet is caused by specific atmospheric conditions and therefore typically doesn't last for extended periods of time.

The condition which leads to sleet formation requires a warmer body of air to be wedged in between two sub-freezing bodies of air. When snow falls through a warmer layer of air it melts, and as it falls through the next sub-freezing body of air it freezes again, forming ice pellets known as sleet. In some cases, water droplets don't have time to freeze before reaching the surface and the result is freezing rain.

Next Topic: Snow