Forecast Details for Geyser, MT

Recent Locations: Calhoun, GA Randall, MN Geyser, MT

Current Alerts for Geyser, MT: High Wind Warning

Overnight: Partly cloudy, with a low around 37. West southwest wind 9 to 16 mph, with gusts as high as 22 mph.

Tuesday: A 30 percent chance of rain, mainly after 4pm. Mostly sunny, with a high near 63. Windy, with a west southwest wind 16 to 26 mph increasing to 28 to 38 mph in the afternoon. Winds could gust as high as 55 mph.

Tuesday Night: A chance of rain and snow before 3am, then a slight chance of snow after 5am. Mostly cloudy, with a low around 25. Windy, with a west northwest wind 24 to 34 mph decreasing to 14 to 24 mph in the evening. Winds could gust as high as 55 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Wednesday: Mostly sunny, with a high near 49. West northwest wind 14 to 21 mph, with gusts as high as 26 mph.

Wednesday Night: A 20 percent chance of snow after midnight. Partly cloudy, with a low around 28. North northeast wind 5 to 8 mph becoming light and variable after midnight.

Thursday: Mostly sunny, with a high near 51. Light and variable wind becoming north 5 to 10 mph in the afternoon.

Thursday Night: Mostly clear, with a low around 30. Northeast wind 6 to 9 mph becoming south after midnight.

Friday: Sunny, with a high near 65. South wind 5 to 11 mph becoming east in the afternoon. Winds could gust as high as 18 mph.

Friday Night: Mostly clear, with a low around 42.

Saturday: A chance of rain after noon. Partly sunny, with a high near 71.

Saturday Night: Rain likely. Mostly cloudy, with a low around 41.

Sunday: Rain likely. Mostly cloudy, with a high near 58.

Sunday Night: Rain and snow likely. Mostly cloudy, with a low around 34.

Monday: Rain and snow likely. Mostly cloudy, with a high near 47.

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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