Forecast Details for Littleton, NH

Recent Locations: Littleton, NH

Today: Partly sunny through mid morning, then becoming sunny, with a high near 44. Calm wind becoming west around 5 mph.

Tonight: Partly cloudy, with a low around 20. Calm wind.

Thursday: Partly sunny, with a high near 39. Calm wind.

Thursday Night: A 50 percent chance of snow after 10pm. Mostly cloudy, with a low around 23. Calm wind.

Friday: A chance of snow and freezing rain before 9am, then a chance of snow between 9am and 1pm. Mostly cloudy, with a high near 38. Calm wind becoming southeast around 5 mph. Chance of precipitation is 40%.

Friday Night: A chance of freezing rain between 2am and 4am, then a chance of rain after 4am. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.

Saturday: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 51. Chance of precipitation is 60%.

Saturday Night: Rain likely, mainly before 7pm. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.

Sunday: Mostly sunny, with a high near 48.

Sunday Night: Partly cloudy, with a low around 30.

Monday: Sunny, with a high near 51.

Monday Night: Partly cloudy, with a low around 32.

Tuesday: Mostly sunny, with a high near 57.

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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 Wall Clouds?

Home - Education - Cloud Types - Wall Clouds

Wall Clouds Next Topic: Altocumulus Clouds

A wall cloud forms underneath the base of a cumulonimbus cloud, and can be a hotbed for deadly tornadoes.

Wall clouds are formed by air flowing into the cumulonimbus clouds, which can result in the wall cloud descending from the base of the cumulonimbus cloud, or rising fractus clouds which join to the base of the storm cloud as the wall cloud takes shape.

Wall clouds can be very large, and in the Northern Hemisphere they generally form at the southern edge of cumulonimbus clouds.

Next Topic: Altocumulus Clouds

Weather Topic: What are Altostratus Clouds?

Home - Education - Cloud Types - Altostratus Clouds

Next Topic: Cirrocumulus Clouds

Altostratus clouds form at mid to high-level altitudes (between 2 and 7 km) and are created by a warm, stable air mass which causes water vapor to condense as it rise through the atmosphere. Usually altostratus clouds are featureless sheets characterized by a uniform color.

In some cases, wind punching through the cloud formation may give it a waved appearance, called altostratus undulatus. Altostratus clouds are commonly seen with other cloud formations accompanying them.

Next Topic: Cirrocumulus Clouds