Forecast Details for Pocahontas, IA

Recent Locations: Hamilton, GA Ulen, MN Pocahontas, IA

Current Alerts for Pocahontas, IA: Tornado Watch

This Afternoon: Showers and thunderstorms likely before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then showers and thunderstorms likely after 5pm. Steady temperature around 67. Windy, with a south wind 17 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight: A 40 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 41. South southwest wind 10 to 14 mph becoming north northwest after midnight. Winds could gust as high as 24 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday: Sunny, with a high near 63. North northwest wind 7 to 13 mph, with gusts as high as 23 mph.

Friday Night: Partly cloudy, with a low around 41. East northeast wind around 6 mph.

Saturday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 61. East wind 6 to 9 mph.

Saturday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 44.

Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 64. Breezy. Chance of precipitation is 50%.

Sunday Night: Showers and possibly a thunderstorm. Low around 48. Breezy. Chance of precipitation is 80%.

Monday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 60. Windy. Chance of precipitation is 70%.

Monday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 38. Windy.

Tuesday: Mostly sunny, with a high near 59.

Tuesday Night: Mostly cloudy, with a low around 39.

Wednesday: Mostly sunny, with a high near 64.

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Current U.S. National Radar--Current

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National Weather Forecast--Current

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National Weather Forecast for Tomorrow

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North America Water Vapor (Moisture)

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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