Forecast Details for Logan, IA

Recent Locations: Sandy Level, VA Knapp, WI Logan, IA

Tonight: Areas of frost after midnight. Otherwise, mostly clear, with a low around 28. West northwest wind 6 to 14 mph, with gusts as high as 23 mph.

Sunday: Areas of frost before 10am. Otherwise, sunny, with a high near 61. West northwest wind 5 to 10 mph, with gusts as high as 18 mph.

Sunday Night: Increasing clouds, with a low around 33. North wind around 6 mph.

Monday: A 40 percent chance of rain, mainly before 1pm. Mostly cloudy, with a high near 44. North wind 6 to 10 mph, with gusts as high as 16 mph. New precipitation amounts of less than a tenth of an inch possible.

Monday Night: A slight chance of rain and snow before 10pm, then a chance of snow. Cloudy, with a low around 26. North northeast wind around 8 mph becoming east after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday: A chance of snow before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 44. Southeast wind 9 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 37. Breezy, with a southeast wind 16 to 21 mph, with gusts as high as 30 mph.

Wednesday: A chance of rain, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 69. Breezy, with a south wind 20 to 24 mph, with gusts as high as 34 mph.

Wednesday Night: A chance of rain and thunderstorms. Mostly cloudy, with a low around 39. West southwest wind 8 to 15 mph becoming north after midnight. Winds could gust as high as 22 mph.

Thursday: A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 55. Northeast wind 9 to 14 mph, with gusts as high as 22 mph.

Thursday Night: Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 39. East wind 9 to 11 mph, with gusts as high as 17 mph.

Friday: Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 61. Southeast wind 10 to 14 mph, with gusts as high as 21 mph.

Friday Night: Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 44. East southeast wind around 10 mph, with gusts as high as 17 mph.

Saturday: Rain likely. Mostly cloudy, with a high near 61. East wind 8 to 13 mph, with gusts as high as 21 mph.

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Current U.S. National Radar--Current

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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