Forecast Details for Great Falls, MT

Recent Locations: Topton, NC Smallwood, NY Great Falls, MT

Overnight: Clear, with a low around 42. Calm wind.

Saturday: Widespread haze after 4pm. Increasing clouds, with a high near 83. Calm wind becoming east northeast 5 to 9 mph in the afternoon.

Saturday Night: Partly cloudy, with a low around 50. East northeast wind 5 to 10 mph becoming light and variable in the evening.

Sunday: Widespread haze before 5pm. Areas of smoke before 4pm, then areas of smoke after 5pm. Partly sunny, with a high near 87. Calm wind becoming west southwest 5 to 7 mph in the morning.

Sunday Night: A 20 percent chance of showers and thunderstorms before midnight. Widespread haze before 7pm. Mostly cloudy, with a low around 54. West northwest wind 6 to 8 mph becoming southwest after midnight.

Monday: Sunny, with a high near 85. Southwest wind around 7 mph.

Monday Night: Partly cloudy, with a low around 52. Northwest wind 5 to 7 mph becoming calm after midnight.

Tuesday: A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 81. Calm wind becoming east around 6 mph in the afternoon.

Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 51.

Wednesday: A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 78.

Wednesday Night: A chance of showers. Mostly cloudy, with a low around 51.

Thursday: A chance of showers and thunderstorms. Partly sunny, with a high near 75.

Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 49.

Friday: A chance of showers. Partly sunny, with a high near 75.

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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 Hole Punch Clouds?

Home - Education - Cloud Types - Hole Punch Clouds

Hole Punch Clouds Next Topic: Mammatus Clouds

A hole punch cloud is an unusual occurrence when a disk-shaped hole appears in a cirrostratus, cirrocumulus, or altocumulus cloud.

When part of the cloud forms ice crystals, water droplets in the surrounding area of the cloud evaporate. The effect of this process produces a large elliptical gap in the cloud. The hole punch cloud formation is rare, but it is not specific to any geographic area.

Other names which have been used to describe this phenomena include fallstreak hole, skypunch, and cloud hole.

Next Topic: Mammatus Clouds

Weather Topic: What are Nimbostratus Clouds?

Home - Education - Cloud Types - Nimbostratus Clouds

Nimbostratus Clouds Next Topic: Precipitation

A nimbostratus cloud is similar to a stratus cloud in its formless, smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud, because it is thicker.

Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat of moderate to heavy precipitation. In some cases, the precipitation may evaporate before reaching the ground, a phenomenon known as virga.

Next Topic: Precipitation