Forecast Details for Henderson, IA

Recent Locations: Emden, IL Folly Beach, SC Henderson, IA

Today: Showers likely, then showers and possibly a thunderstorm after 1pm. High near 58. Northeast wind 6 to 13 mph becoming east southeast in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight: Showers and thunderstorms before 1am, then a chance of showers between 1am and 4am. Low around 39. Northeast wind 11 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Friday: Partly sunny, with a high near 59. Northeast wind 11 to 13 mph.

Friday Night: A slight chance of showers, then showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 45. East southeast wind 8 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday: Showers and possibly a thunderstorm. High near 70. Breezy, with an east southeast wind 13 to 20 mph, with gusts 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.

Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 60. Breezy, with a south wind 17 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. Windy, with a south southwest wind 20 to 25 mph, with gusts as high as 33 mph. Chance of precipitation is 70%.

Sunday Night: A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 60. South wind 15 to 17 mph, with gusts as high as 24 mph.

Monday: Mostly sunny, with a high near 83. Windy, with a south wind 15 to 25 mph, with gusts as high as 34 mph.

Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 57. Breezy, with a south southwest wind 14 to 18 mph, with gusts as high as 25 mph.

Tuesday: A chance of showers and thunderstorms. Partly sunny, with a high near 75. Breezy, with a south wind 10 to 15 mph becoming west 17 to 22 mph in the afternoon.

Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 44. West southwest wind 13 to 16 mph, with gusts as high as 21 mph.

Wednesday: A chance of showers. Mostly sunny, with a high near 64. West wind 13 to 15 mph, with gusts as high as 20 mph.

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Weather Topic: What are Shelf Clouds?

Home - Education - Cloud Types - Shelf Clouds

Shelf Clouds Next Topic: Sleet

A shelf cloud is similar to a wall cloud, but forms at the front of a storm cloud, instead of at the rear, where wall clouds form.

A shelf cloud is caused by a series of events set into motion by the advancing storm; first, cool air settles along the ground where precipitation has just fallen. As the cool air is brought in, the warmer air is displaced, and rises above it, because it is less dense. When the warmer air reaches the bottom of the storm cloud, it begins to cool again, and the resulting condensation is a visible shelf cloud.

Next Topic: Sleet

Weather Topic: What is Snow?

Home - Education - Precipitation - Snow

Snow Next Topic: Stratocumulus Clouds

Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake, has unique characteristics, but all of them grow in a hexagonal structure. Snowfall can last for sustained periods of time and result in significant buildup of snow on the ground.

On the earth's surface, snow starts out light and powdery, but as it begins to melt it tends to become more granular, producing small bits of ice which have the consistency of sand. After several cycles of melting and freezing, snow can become very dense and ice-like, commonly known as snow pack.

Next Topic: Stratocumulus Clouds