Forecast Details for Shenandoah, IA

Recent Locations: Killen, AL Walling, TN Shenandoah, IA

Overnight: Rain and possibly a thunderstorm. Steady temperature around 47. East southeast wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Thursday: Rain and thunderstorms before 2pm, then a slight chance of rain between 2pm and 3pm. High near 64. Breezy, with a south southeast wind 11 to 21 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night: Partly cloudy, with a low around 38. West northwest wind 5 to 13 mph becoming east after midnight.

Friday: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 10am. High near 69. Breezy, with an east wind 14 to 18 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night: A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 33. West northwest wind 11 to 16 mph, with gusts as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.

Saturday: Mostly sunny, with a high near 51. Breezy, with a west northwest wind 16 to 22 mph, with gusts as high as 31 mph.

Saturday Night: Mostly clear, with a low around 28. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 24 mph.

Sunday: Sunny, with a high near 61. Northwest wind 5 to 10 mph.

Sunday Night: Mostly clear, with a low around 33. North northwest wind around 6 mph.

Monday: A slight chance of rain. Partly sunny, with a high near 56. North northeast wind 6 to 13 mph.

Monday Night: A chance of rain. Mostly cloudy, with a low around 31. Northeast wind around 11 mph, with gusts as high as 18 mph.

Tuesday: A slight chance of rain. Partly sunny, with a high near 58. Breezy, with a southeast wind 14 to 21 mph, with gusts as high as 26 mph.

Tuesday Night: A slight chance of rain. Mostly cloudy, with a low around 41. Breezy, with a south southeast wind around 18 mph, with gusts as high as 25 mph.

Wednesday: A chance of rain. Partly sunny, with a high near 74. Windy, with a south southwest wind 17 to 26 mph, with gusts as high as 33 mph.

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North America Water Vapor (Moisture)

This map shows recent moisture content over North America. Bright and colored areas show high moisture (ie, clouds); brown indicates very little moisture present; black indicates no moisture.

Weather Topic: What are Nimbostratus Clouds?

Home - Education - Cloud Types - Nimbostratus Clouds

Nimbostratus Clouds Next Topic: Precipitation

A nimbostratus cloud is similar to a stratus cloud in its formless, smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud, because it is thicker.

Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat of moderate to heavy precipitation. In some cases, the precipitation may evaporate before reaching the ground, a phenomenon known as virga.

Next Topic: Precipitation

Weather Topic: What is Rain?

Home - Education - Precipitation - Rain

Rain Next Topic: Shelf Clouds

Precipitation in the form of water droplets is called rain. Rain generally has a tendency to fall with less intensity over a greater period of time, and when rainfall is more severe it is usually less sustained.

Rain is the most common form of precipitation and happens with greater frequency depending on the season and regional influences. Cities have been shown to have an observable effect on rainfall, due to an effect called the urban heat island. Compared to upwind, monthly rainfall between twenty and forty miles downwind of cities is 30% greater.

Next Topic: Shelf Clouds