Forecast Details for Lansing, IA

Recent Locations: Hollywood, FL Elizabeth, NJ Lansing, IA

Overnight: Patchy fog. Otherwise, mostly clear, with a low around 28. Calm wind.

Saturday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 57. Calm wind becoming south around 6 mph.

Saturday Night: Mostly clear, with a low around 31. Light and variable wind.

Sunday: Sunny, with a high near 54. Calm wind.

Sunday Night: Partly cloudy, with a low around 37. Calm wind becoming south around 6 mph after midnight.

Washington's Birthday: Mostly sunny, with a high near 59. Southwest wind 3 to 6 mph.

Monday Night: Partly cloudy, with a low around 39. Calm wind becoming east around 5 mph after midnight.

Tuesday: A 30 percent chance of rain after noon. Mostly cloudy, with a high near 55. East wind 5 to 11 mph, with gusts as high as 23 mph.

Tuesday Night: Rain likely, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 41. East wind 7 to 11 mph becoming south after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 60%.

Wednesday: A 40 percent chance of rain. Partly sunny, with a high near 52. Southwest wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 18 mph.

Wednesday Night: A 20 percent chance of snow. Partly cloudy, with a low around 28. West wind around 7 mph becoming north after midnight.

Thursday: A chance of rain and snow. Partly sunny, with a high near 42. Northeast wind 6 to 8 mph. Chance of precipitation is 30%.

Thursday Night: A chance of rain and snow. Mostly cloudy, with a low around 25. Northeast wind 6 to 8 mph. Chance of precipitation is 50%.

Friday: A 30 percent chance of snow. Partly sunny, with a high near 36. Northwest wind around 7 mph.

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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 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