Forecast Details for Saint Marie, MT

Recent Locations: Saint Marie, MT  
Overnight: A chance of snow, mixing with freezing rain after 1am, then gradually ending. Cloudy, with a low around 24. West northwest wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.
Friday: Mostly cloudy, with a high near 32. Northwest wind 13 to 18 mph, with gusts as high as 24 mph.
Friday Night: Mostly cloudy, with a low around 17. North northwest wind 5 to 11 mph.
Saturday: A 30 percent chance of snow before noon. Mostly cloudy, with a high near 29. North northeast wind 7 to 9 mph. New snow accumulation of less than a half inch possible.
Saturday Night: Partly cloudy, with a low around 17. East wind 6 to 10 mph.
Sunday: Partly sunny, with a high near 33. East wind around 11 mph, with gusts as high as 18 mph.
Sunday Night: Mostly cloudy, with a low around 20. East wind around 8 mph.
Monday: Mostly sunny, with a high near 43. South southeast wind 7 to 14 mph becoming west in the afternoon. Winds could gust as high as 21 mph.
Monday Night: Partly cloudy, with a low around 26. Northwest wind 8 to 11 mph.
Tuesday: Mostly sunny, with a high near 53. West wind 8 to 13 mph, with gusts as high as 18 mph.
Tuesday Night: Partly cloudy, with a low around 36. West southwest wind around 11 mph, with gusts as high as 18 mph.
Wednesday: A slight chance of rain. Mostly sunny, with a high near 58.
Wednesday Night: A chance of rain. Mostly cloudy, with a low around 34.
Thursday: A chance of rain. Partly sunny, with a high near 46.

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Current U.S. National Radar--Current

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National Weather Forecast--Current

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North America Water Vapor (Moisture)

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Weather Topic: What is Sleet?

Home - Education - Precipitation - Sleet

Sleet Next Topic: Snow

Sleet is a form of precipitation in which small ice pellets are the primary components. These ice pellets are smaller and more translucent than hailstones, and harder than graupel. Sleet is caused by specific atmospheric conditions and therefore typically doesn't last for extended periods of time.

The condition which leads to sleet formation requires a warmer body of air to be wedged in between two sub-freezing bodies of air. When snow falls through a warmer layer of air it melts, and as it falls through the next sub-freezing body of air it freezes again, forming ice pellets known as sleet. In some cases, water droplets don't have time to freeze before reaching the surface and the result is freezing rain.

Next Topic: Snow

Weather Topic: What are Stratocumulus Clouds?

Home - Education - Cloud Types - Stratocumulus Clouds

Stratocumulus Clouds Next Topic: Stratus Clouds

Stratocumulus clouds are similar to altocumulus clouds in their fluffy appearance, but have a slightly darker shade due to their additional mass.

A good way to distinguish the two cloud types is to hold your hand out and measure the size of an individual cloud; if it is the size of your thumb it is generally an altocumulus cloud, if it is the size of your hand it is generally a stratocumulus cloud.

It is uncommon for stratocumulus clouds to produce precipitation, but if they do it is usually a light rain or snow.

Next Topic: Stratus Clouds