Forecast Details for Butte, MT

Recent Locations: Avoca, WI Ila, GA Butte, MT

Today: Snow, mainly before 2pm. High near 38. Northwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 3 inches possible.

Tonight: A 20 percent chance of snow between 1am and 2am. Mostly cloudy, with a low around 23. West northwest wind 5 to 13 mph, with gusts as high as 21 mph.

Friday: A 20 percent chance of snow after 11am. Partly sunny, with a high near 38. West northwest wind 5 to 13 mph, with gusts as high as 22 mph.

Friday Night: Partly cloudy, with a low around 22. West northwest wind 6 to 11 mph becoming light west in the evening. Winds could gust as high as 20 mph.

Saturday: Mostly cloudy, with a high near 46. Light west southwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 23 mph.

Saturday Night: Mostly cloudy, with a low around 33.

Sunday: Mostly sunny, with a high near 52.

Sunday Night: A slight chance of rain after 11pm, mixing with snow after 2am. Snow level 7300 feet lowering to 6200 feet after midnight . Mostly cloudy, with a low around 34. Breezy.

Monday: A chance of snow. Partly sunny, with a high near 47. Breezy.

Monday Night: A chance of snow. Mostly cloudy, with a low around 20. Blustery.

Tuesday: A chance of snow. Partly sunny, with a high near 32. Breezy.

Tuesday Night: Mostly cloudy, with a low around 17.

Wednesday: A slight chance of snow. Mostly cloudy, with a high near 40. Breezy.

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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