Forecast Details for Big Sky, MT

Recent Locations: Arlington, TN Donnelsville, OH Big Sky, MT

Overnight: Partly cloudy, with a low around 46. Light east southeast wind.

Tuesday: A slight chance of thunderstorms after 3pm. Partly sunny, with a high near 65. Calm wind becoming south southeast around 6 mph in the afternoon. Chance of precipitation is 20%.

Tuesday Night: A slight chance of thunderstorms before 9pm. Mostly cloudy, with a low around 45. South southeast wind around 6 mph becoming east in the evening. Chance of precipitation is 20%.

Wednesday: Partly sunny, with a high near 66. Light and variable wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.

Wednesday Night: Mostly cloudy, with a low around 45. South southeast wind 5 to 7 mph, with gusts as high as 18 mph.

Thursday: Partly sunny, with a high near 60. South southeast wind 3 to 8 mph. Winds could gust as high as 20 mph.

Thursday Night: A chance of thunderstorms before 9pm. Partly cloudy, with a low around 41. South southwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 30%.

Friday: Showers likely, mainly after noon. Partly sunny, with a high near 57. Calm wind becoming west around 6 mph in the afternoon.

Friday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 40.

Saturday: Showers likely, mainly after noon. Mostly cloudy, with a high near 53.

Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 40.

Sunday: A chance of showers. Partly sunny, with a high near 57.

Sunday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 41.

Monday: A chance of showers. Mostly sunny, with a high near 58.

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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 Hail?

Home - Education - Precipitation - Hail

Hail Next Topic: Hole Punch Clouds

Hail is a form of precipitation which is recognized by large solid balls or clumps of ice. Hail is created by thunderstorm clouds with strong updrafts of wind. As the hailstones remain in the updraft, ice is deposited onto them until their weight becomes heavy enough for them to fall to the earth's surface.

Hail storms can cause significant damage to crops, aircrafts, and man-made structures, despite the fact that the duration is usually less than ten minutes.

Next Topic: Hole Punch Clouds

Weather Topic: What are Mammatus Clouds?

Home - Education - Cloud Types - Mammatus Clouds

Mammatus Clouds Next Topic: Nimbostratus Clouds

A mammatus cloud is a cloud with a unique feature which resembles a web of pouches hanging along the base of the cloud.

In the United States, mammatus clouds tend to form in the warmer months, commonly in the Midwest and eastern regions.

While they usually form at the bottom of a cumulonimbis cloud, they can also form under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds warn that severe weather is close.

Next Topic: Nimbostratus Clouds