Forecast Details for Council Bluffs, IA

Recent Locations: Guthrie Center, IA Philadelphia, PA Council Bluffs, IA

Tonight: Mostly clear, with a low around 46. Northeast wind around 6 mph becoming east southeast in the evening.

Saturday: A slight chance of showers between 1pm and 5pm. Increasing clouds, with a high near 70. East northeast wind 6 to 9 mph becoming southeast in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 20%.

Saturday Night: A 30 percent chance of showers and thunderstorms, mainly between 7pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 51. East wind around 7 mph becoming northwest in the evening. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 72. East southeast wind 8 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night: Showers and possibly a thunderstorm. Low around 57. Southeast wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Monday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 67. Breezy, with a south southeast wind 11 to 18 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Monday Night: Mostly cloudy, with a low around 42. Breezy, with a northwest wind 11 to 21 mph, with gusts as high as 30 mph.

Tuesday: Partly sunny, with a high near 61. North northwest wind 6 to 9 mph, with gusts as high as 16 mph.

Tuesday Night: Partly cloudy, with a low around 42. North northwest wind around 5 mph becoming calm in the evening.

Wednesday: A slight chance of showers after 1pm. Mostly sunny, with a high near 65. Calm wind becoming north around 6 mph in the afternoon.

Wednesday Night: A slight chance of showers. Partly cloudy, with a low around 44. North wind around 5 mph becoming calm in the evening.

Thursday: A chance of showers and thunderstorms. Partly sunny, with a high near 62. Light north northeast wind becoming north 5 to 9 mph in the morning. Winds could gust as high as 16 mph.

Thursday Night: A slight chance of showers. Mostly cloudy, with a low around 41. North wind 5 to 7 mph.

Friday: Mostly sunny, with a high near 63. North wind 5 to 10 mph, with gusts as high as 17 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