Forecast Details for Graettinger, IA

Recent Locations: Graettinger, IA

Overnight: Mostly cloudy, with a low around 30. North northeast wind around 11 mph.

Wednesday: A slight chance of snow showers before 11am, then a slight chance of rain and snow showers between 11am and noon, then a chance of rain showers after noon. Mostly cloudy, with a high near 49. Breezy, with an east wind 10 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Wednesday Night: Showers. Low around 35. Breezy, with an east wind 18 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Thursday: Showers. High near 42. Breezy, with an east northeast wind 16 to 18 mph becoming north northwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night: Mostly cloudy, with a low around 29. Blustery, with a northwest wind 9 to 16 mph becoming north northeast after midnight. Winds could gust as high as 23 mph.

Friday: Rain likely, possibly mixed with snow showers before 10am, then rain showers. Some thunder is also possible. High near 45. Breezy. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Friday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 29. Blustery. Chance of precipitation is 50%.

Saturday: A slight chance of rain showers before 1pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 41. Windy. Chance of precipitation is 30%.

Saturday Night: Mostly cloudy, with a low around 25. Windy.

Sunday: Sunny, with a high near 50. Breezy.

Sunday Night: Partly cloudy, with a low around 31.

Monday: Partly sunny, with a high near 54. Breezy.

Monday Night: Mostly cloudy, with a low around 27. Blustery.

Tuesday: Mostly sunny, with a high near 50.

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Current U.S. National Radar--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 is Sleet?

Home - Education - Precipitation - Sleet

Sleet Next Topic: Snow

Sleet is a form of precipitation in which small ice pellets are the primary components. These ice pellets are smaller and more translucent than hailstones, and harder than graupel. Sleet is caused by specific atmospheric conditions and therefore typically doesn't last for extended periods of time.

The condition which leads to sleet formation requires a warmer body of air to be wedged in between two sub-freezing bodies of air. When snow falls through a warmer layer of air it melts, and as it falls through the next sub-freezing body of air it freezes again, forming ice pellets known as sleet. In some cases, water droplets don't have time to freeze before reaching the surface and the result is freezing rain.

Next Topic: Snow

Weather Topic: What are Stratocumulus Clouds?

Home - Education - Cloud Types - Stratocumulus Clouds

Next Topic: Stratus Clouds

Stratocumulus clouds are similar to altocumulus clouds in their fluffy appearance, but have a slightly darker shade due to their additional mass.

A good way to distinguish the two cloud types is to hold your hand out and measure the size of an individual cloud; if it is the size of your thumb it is generally an altocumulus cloud, if it is the size of your hand it is generally a stratocumulus cloud.

It is uncommon for stratocumulus clouds to produce precipitation, but if they do it is usually a light rain or snow.

Next Topic: Stratus Clouds