Forecast Details for Roy, MT

Recent Locations: Enon Valley, PA   Braintree, MA   Roy, MT  
Overnight: A 20 percent chance of showers. Widespread haze. Mostly cloudy, with a low around 58. South southeast wind around 6 mph.
Wednesday: Widespread haze before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 82. East southeast wind 6 to 10 mph.
Wednesday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 60. East southeast wind 6 to 8 mph becoming west after midnight. Chance of precipitation is 20%.
Thursday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 74. West wind around 8 mph. Chance of precipitation is 60%.
Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Northwest wind 7 to 9 mph becoming west southwest in the evening. Chance of precipitation is 50%.
Friday: A 50 percent chance of showers. Partly sunny, with a high near 73. West wind around 9 mph.
Friday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 55. West southwest wind around 8 mph.
Saturday: A chance of showers. Mostly cloudy, with a high near 70. West northwest wind around 8 mph.
Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Sunday: A chance of showers. Partly sunny, with a high near 71.
Sunday Night: A slight chance of showers. Mostly cloudy, with a low around 53.
Monday: A slight chance of showers. Mostly sunny, with a high near 73.
Monday Night: A chance of showers. Mostly cloudy, with a low around 53.
Tuesday: A chance of showers. Partly sunny, with a high near 68.

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Weather Topic: What are Cirrocumulus Clouds?

Home - Education - Cloud Types - Cirrocumulus Clouds

Cirrocumulus Clouds Next Topic: Cirrostratus Clouds

Cirrocumulus clouds form at high altitudes (usually around 5 km) and have distinguishing characteristics displayed in a fine layer of small cloud patches. These small cloud patches are sometimes referred to as "cloudlets" in relation to the whole cloud formation.

Cirrocumulus clouds are formed from ice crystals and water droplets. Often, the water droplets in the cloud freeze into ice crystals and the cloud becomes a cirrostratus cloud. Because of this common occurrence, cirrocumulus cloud formations generally pass rapidly.

Next Topic: Cirrostratus Clouds

Weather Topic: What are Cirrus Clouds?

Home - Education - Cloud Types - Cirrus Clouds

Cirrus Clouds Next Topic: Condensation

Cirrus clouds are high-level clouds that occur above 20,000 feet and are composed mainly of ice crystals. They are thin and wispy in appearance.

What do they indicate?
They are often the first sign of an approaching storm.

Next Topic: Condensation

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