Forecast Details for Hamlin, IA

Recent Locations: Ephrata, WA Nimrod, MN Hamlin, IA

This Afternoon: A 40 percent chance of showers. Cloudy, with a high near 49. Breezy, with an east wind around 17 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Showers likely, then showers and possibly a thunderstorm after 10pm. Low around 39. East wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Thursday: Showers and thunderstorms before 4pm, then a slight chance of showers. High near 60. Breezy, with an east wind 10 to 16 mph becoming west in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night: Partly cloudy, with a low around 33. West northwest wind 8 to 13 mph becoming light and variable. Winds could gust as high as 20 mph.

Friday: Showers and possibly a thunderstorm. High near 58. East wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Friday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday: Mostly cloudy, with a high near 45. Windy.

Saturday Night: Partly cloudy, with a low around 26. Windy.

Sunday: Sunny, with a high near 57.

Sunday Night: Mostly clear, with a low around 32.

Monday: Partly sunny, with a high near 54.

Monday Night: Mostly cloudy, with a low around 26.

Tuesday: Partly sunny, with a high near 53. Breezy.

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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