Forecast Details for Viola, ID

Recent Locations: Humarock, MA Shattuck, OK Viola, ID

Today: Sunny, with a high near 57. Windy, with a west wind 15 to 20 mph increasing to 21 to 26 mph in the morning. Winds could gust as high as 39 mph.

Tonight: Mostly clear, with a low around 37. West wind 12 to 17 mph becoming light and variable in the evening. Winds could gust as high as 28 mph.

Wednesday: Sunny, with a high near 59. Calm wind becoming west 5 to 7 mph in the afternoon.

Wednesday Night: Mostly clear, with a low around 38. West wind 5 to 7 mph becoming calm in the evening.

Thursday: Sunny, with a high near 62. Light and variable wind becoming northwest around 6 mph in the afternoon.

Thursday Night: Mostly clear, with a low around 39.

Friday: Mostly sunny, with a high near 66.

Friday Night: A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 45.

Saturday: A 50 percent chance of rain. Partly sunny, with a high near 62.

Saturday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 44.

Sunday: A 50 percent chance of rain. Mostly cloudy, with a high near 54.

Sunday Night: A chance of rain and snow. Snow level 5800 feet lowering to 4900 feet after midnight . Mostly cloudy, with a low around 40. Chance of precipitation is 40%.

Monday: A chance of rain and snow. Snow level 4600 feet. Partly sunny, with a high near 52. Chance of precipitation is 40%.

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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 is Precipitation?

Home - Education - Precipitation - Precipitation

Next Topic: Rain

Precipitation can refer to many different forms of water that may fall from clouds. Precipitation occurs after a cloud has become saturated to the point where its water particles are more dense than the air below the cloud.

In most cases, precipitation will reach the ground, but it is not uncommon for precipitation to evaporate before it reaches the earth's surface. When precipitation evaporates before it contacts the ground it is called Virga. Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog and mist are not considered precipitation because the water vapor which constitutes them isn't dense enough to fall to the ground.

Next Topic: Rain

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