Forecast Details for Holliston, MA

Recent Locations: Russiaville, IN   Holliston, MA  
Current Alerts for Holliston, MA: Red Flag Warning
Tonight: Mostly cloudy, with a low around 61. Southwest wind 7 to 9 mph.
Friday: Mostly sunny, with a high near 78. Southwest wind 10 to 13 mph, with gusts as high as 29 mph.
Friday Night: Mostly clear, with a low around 42. Northwest wind 6 to 10 mph, with gusts as high as 22 mph.
Saturday: Mostly sunny, with a high near 55. North wind around 6 mph.
Saturday Night: Mostly clear, with a low around 31. Light north wind.
Sunday: Sunny, with a high near 53. Northwest wind 3 to 5 mph.
Sunday Night: Mostly cloudy, with a low around 33. Calm wind.
Monday: Mostly cloudy, with a high near 51. Calm wind becoming south around 5 mph in the afternoon.
Monday Night: A chance of showers. Cloudy, with a low around 42. South wind 3 to 5 mph. Chance of precipitation is 50%.
Tuesday: Mostly cloudy, with a high near 67. Southwest wind 6 to 10 mph, with gusts as high as 23 mph.
Tuesday Night: Mostly cloudy, with a low around 59. Southwest wind around 10 mph, with gusts as high as 22 mph.
Wednesday: Partly sunny, with a high near 74. West wind around 10 mph, with gusts as high as 24 mph.
Wednesday Night: Partly cloudy, with a low around 45. West wind around 7 mph.
Thursday: Mostly sunny, with a high near 61. West wind 6 to 8 mph.

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Current U.S. National Radar--Current

The Current National Weather Radar is shown below with a UTC Time (subtract 5 hours from UTC to get Eastern Time).

Current U.S. National Radar

National Weather Forecast--Current

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Today's National Weather Map

National Weather Forecast for Tomorrow

Tomorrow National Weather Forecast and Tomorrow National Weather Map are show below.

Tomorrows National Weather Map

North America Water Vapor (Moisture)

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North American Water Vapor Map

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