Forecast Details for Post Mills, VT

Recent Locations: Okauchee, WI Ewing, VA Post Mills, VT

Tonight: Mostly cloudy, with a low around 40. Southwest wind around 8 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

Saturday: Partly sunny, with a high near 55. Light and variable wind becoming southeast 5 to 8 mph in the afternoon.

Saturday Night: A slight chance of rain showers and sleet between 11pm and 1am, then rain showers. Low around 33. Southeast wind around 13 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. Little or no sleet accumulation expected.

Sunday: Showers, mainly before 2pm. High near 52. Southeast wind 5 to 8 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 31. West wind around 9 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

Monday: Mostly cloudy, with a high near 42. West wind around 10 mph, with gusts as high as 24 mph.

Monday Night: Mostly cloudy, with a low around 26. Northwest wind around 5 mph becoming calm in the evening.

Tuesday: Partly sunny, with a high near 39. Northwest wind 3 to 7 mph.

Tuesday Night: Partly cloudy, with a low around 18. Northwest wind 3 to 5 mph.

Wednesday: Sunny, with a high near 46. Calm wind becoming west around 5 mph in the afternoon.

Wednesday Night: Mostly clear, with a low around 28. Light south wind.

Thursday: Mostly sunny, with a high near 59. South wind 5 to 7 mph.

Thursday Night: Mostly cloudy, with a low around 37. South wind 3 to 5 mph.

Friday: Partly sunny, with a high near 59. West wind 3 to 5 mph.

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North America Water Vapor (Moisture)

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Weather Topic: What is Condensation?

Home - Education - Precipitation - Condensation

Next Topic: Contrails

Condensation is the process which creates clouds, and therefore it is a crucial process in the water cycle. Condensation is the change of matter from a state of gas into a state of liquid, and it happens because water molecules release heat into the atmosphere and become organized into a more closely packed structure, what we might see as water droplets.

Water is always present in the air around us as a vapor, but it's too small for us to see. When water undergoes the process of condensation it becomes organized into visible water droplets. You've probably seen condensation happen before on the surface of a cold drink!

Next Topic: Contrails

Weather Topic: What are Cumulonimbus Clouds?

Home - Education - Cloud Types - Cumulonimbus Clouds

Cumulonimbus Clouds Next Topic: Cumulus Clouds

The final form taken by a growing cumulus cloud is the cumulonimbus cloud, which is very tall and dense. The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although most commonly they stop growing at an altitude of 6 km.

Even small cumulonimbus clouds appear very large in comparison to other cloud types. They can signal the approach of stormy weather, such as thunderstorms or blizzards.

Next Topic: Cumulus Clouds