Forecast Details for Millis, MA

Recent Locations: Volborg, MT Bement, IL Millis, MA

Overnight: Areas of fog after 2am. Otherwise, mostly cloudy, with a low around 49. Calm wind.

Saturday: Areas of fog before 11am. Otherwise, cloudy, with a high near 53. Northeast wind 6 to 8 mph.

Saturday Night: A chance of showers between 10pm and 3am, then a slight chance of rain after 3am. Patchy fog after 10pm. Otherwise, cloudy, with a low around 44. Light and variable wind. Chance of precipitation is 30%.

Sunday: Rain before 4pm, then rain and snow likely. Some thunder is also possible. Patchy fog before 9am, then patchy fog after 10am. High near 56. South wind 5 to 9 mph becoming northwest in the afternoon. Chance of precipitation is 90%. Little or no snow accumulation expected.

Sunday Night: Rain and snow likely before 9pm, then a slight chance of rain between 9pm and 11pm. Partly cloudy, with a low around 34. West wind around 7 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Monday: A slight chance of rain after 2pm. Mostly sunny, with a high near 46. West wind 6 to 8 mph. Chance of precipitation is 20%.

Monday Night: Partly cloudy, with a low around 31. North wind around 5 mph.

Tuesday: Sunny, with a high near 53. Light and variable wind becoming west around 6 mph in the morning.

Tuesday Night: Partly cloudy, with a low around 38. Southwest wind around 6 mph.

Wednesday: Partly sunny, with a high near 61. Southwest wind 6 to 8 mph.

Wednesday Night: Partly cloudy, with a low around 39. Northwest wind 3 to 6 mph.

Thursday: Mostly sunny, with a high near 63. Northwest wind 5 to 7 mph.

Thursday Night: Partly cloudy, with a low around 42. Northwest wind 3 to 5 mph.

Friday: Mostly sunny, with a high near 64. Northwest wind 5 to 8 mph.

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Weather Topic: What is Rain?

Home - Education - Precipitation - Rain

Rain Next Topic: Shelf Clouds

Precipitation in the form of water droplets is called rain. Rain generally has a tendency to fall with less intensity over a greater period of time, and when rainfall is more severe it is usually less sustained.

Rain is the most common form of precipitation and happens with greater frequency depending on the season and regional influences. Cities have been shown to have an observable effect on rainfall, due to an effect called the urban heat island. Compared to upwind, monthly rainfall between twenty and forty miles downwind of cities is 30% greater.

Next Topic: Shelf Clouds

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