Forecast Details for Grangeville, ID

Recent Locations: Stow, NY King City, CA Grangeville, ID

Overnight: A 20 percent chance of rain. Cloudy, with a low around 35. Calm wind.

Saturday: Rain likely, mainly after 1pm. Cloudy, with a high near 43. Calm wind becoming south southeast around 6 mph in the afternoon. Chance of precipitation is 70%.

Saturday Night: Rain likely, mainly after 2am. Patchy fog after 4am. Otherwise, cloudy, with a low around 36. Calm wind. Chance of precipitation is 70%.

Sunday: Rain likely. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 45. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 60%.

Sunday Night: A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 33. North northeast wind around 6 mph becoming calm in the evening.

Washington's Birthday: A 50 percent chance of rain. Snow level 4300 feet rising to 4900 feet in the afternoon. Partly sunny, with a high near 48.

Monday Night: Rain likely before 8pm, then rain and snow. Snow level 4900 feet lowering to 3900 feet. Low around 32. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Tuesday: Rain and snow before 8am, then snow between 8am and 5pm, then snow likely, possibly mixed with rain after 5pm. Mostly cloudy, with a high near 39.

Tuesday Night: A chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 26.

Wednesday: Snow likely, mainly after 11am. Mostly cloudy, with a high near 35.

Wednesday Night: A chance of snow. Mostly cloudy, with a low around 24.

Thursday: Snow likely. Mostly cloudy, with a high near 34.

Thursday Night: A chance of snow. Mostly cloudy, with a low around 25.

Friday: Snow likely. Mostly cloudy, with a high near 34.

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Current U.S. National Radar--Current

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National Weather Forecast--Current

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National Weather Forecast for Tomorrow

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North America Water Vapor (Moisture)

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Weather Topic: What are Shelf Clouds?

Home - Education - Cloud Types - Shelf Clouds

Shelf Clouds Next Topic: Sleet

A shelf cloud is similar to a wall cloud, but forms at the front of a storm cloud, instead of at the rear, where wall clouds form.

A shelf cloud is caused by a series of events set into motion by the advancing storm; first, cool air settles along the ground where precipitation has just fallen. As the cool air is brought in, the warmer air is displaced, and rises above it, because it is less dense. When the warmer air reaches the bottom of the storm cloud, it begins to cool again, and the resulting condensation is a visible shelf cloud.

Next Topic: Sleet

Weather Topic: What is Snow?

Home - Education - Precipitation - Snow

Snow Next Topic: Stratocumulus Clouds

Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake, has unique characteristics, but all of them grow in a hexagonal structure. Snowfall can last for sustained periods of time and result in significant buildup of snow on the ground.

On the earth's surface, snow starts out light and powdery, but as it begins to melt it tends to become more granular, producing small bits of ice which have the consistency of sand. After several cycles of melting and freezing, snow can become very dense and ice-like, commonly known as snow pack.

Next Topic: Stratocumulus Clouds