Forecast Details for Garnavillo, IA

Recent Locations: Maple Heights, OH Grapevine, TX Garnavillo, IA

Tonight: Mostly clear, with a low around 58. South wind around 10 mph, with gusts as high as 20 mph.

Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 77. Breezy, with a south wind 11 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

Thursday Night: A chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 4am, then showers after 4am. Low around 53. Breezy, with a south wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Friday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then a slight chance of showers after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 64. Northwest wind 9 to 13 mph. Chance of precipitation is 30%.

Friday Night: Mostly clear, with a low around 42. Northwest wind 7 to 10 mph.

Saturday: Mostly sunny, with a high near 63. North wind 7 to 9 mph becoming northeast in the afternoon.

Saturday Night: Mostly cloudy, with a low around 44. Light east wind.

Sunday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 66. East wind 5 to 15 mph, with gusts as high as 24 mph.

Sunday Night: A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 51. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.

Monday: Showers and possibly a thunderstorm. High near 63. Breezy, with a southeast wind 18 to 20 mph becoming southwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 80%.

Monday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 43. Breezy, with a northwest wind around 21 mph.

Tuesday: A 20 percent chance of showers. Partly sunny, with a high near 58. Breezy, with a west wind around 17 mph, with gusts as high as 26 mph.

Tuesday Night: Partly cloudy, with a low around 39. West wind 5 to 11 mph.

Wednesday: A 20 percent chance of showers. Partly sunny, with a high near 57. Light northwest wind increasing to 5 to 10 mph in the morning.

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National Weather Forecast for Tomorrow

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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