Forecast Details for Promise City, IA

Recent Locations: Promise City, IA

Overnight: Showers and possibly a thunderstorm. Some of the storms could produce heavy rain. Low around 59. South southeast wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday: Showers and possibly a thunderstorm before noon, then a chance of showers and thunderstorms between noon and 1pm, then showers likely and possibly a thunderstorm after 1pm. Some of the storms could produce heavy rain. High near 70. Breezy, with a south southeast wind 13 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night: A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 47. West southwest wind 10 to 13 mph, with gusts as high as 21 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday: Mostly sunny, with a high near 66. Breezy, with a west wind 11 to 16 mph, with gusts as high as 24 mph.

Monday Night: Mostly clear, with a low around 48. West wind 6 to 10 mph becoming south southeast after midnight.

Tuesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Sunny, with a high near 78. Windy. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Partly cloudy, with a low around 53. Breezy. Chance of precipitation is 70%.

Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 76. Chance of precipitation is 60%.

Wednesday Night: Showers and possibly a thunderstorm before 1am, then showers and thunderstorms likely after 1am. Low around 57. Chance of precipitation is 80%.

Thursday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 72. Breezy. Chance of precipitation is 70%.

Thursday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Breezy.

Friday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 62. Breezy.

Friday Night: Partly cloudy, with a low around 43.

Saturday: A 30 percent chance of showers. Mostly sunny, with a high near 65. Breezy.

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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