Forecast Details for Shellsburg, IA

Recent Locations: Cerrillos, NM Swiss, WV Shellsburg, IA

Tonight: Mostly clear, with a low around 58. South wind around 10 mph.

Thursday: A slight chance of showers between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 77. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

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 54. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Friday: A chance of showers and thunderstorms. Mostly cloudy, then gradually becoming sunny, with a high near 66. Northwest wind 10 to 15 mph. Chance of precipitation is 30%.

Friday Night: Mostly clear, with a low around 42.

Saturday: Mostly sunny, with a high near 66.

Saturday Night: Mostly cloudy, with a low around 46.

Sunday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 69.

Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. Breezy. Chance of precipitation is 70%.

Monday: Showers and possibly a thunderstorm. High near 66. Breezy. Chance of precipitation is 80%.

Monday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 44. Breezy.

Tuesday: Partly sunny, with a high near 60.

Tuesday Night: Mostly cloudy, with a low around 41.

Wednesday: Mostly sunny, with a high near 61.

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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)

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 Cumulonimbus Clouds?

Home - Education - Cloud Types - Cumulonimbus Clouds

Cumulonimbus Clouds Next Topic: Cumulus Clouds

The final form taken by a growing cumulus cloud is the cumulonimbus cloud, which is very tall and dense. The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although most commonly they stop growing at an altitude of 6 km.

Even small cumulonimbus clouds appear very large in comparison to other cloud types. They can signal the approach of stormy weather, such as thunderstorms or blizzards.

Next Topic: Cumulus Clouds

Weather Topic: What is Drizzle?

Home - Education - Precipitation - Drizzle

Drizzle Next Topic: Evaporation

Drizzle is precipitation in the form of water droplets which are smaller than raindrops.

Drizzle is characterized by fine, gently falling droplets and typically does not impact human habitation in a negative way. The exception to this is freezing drizzle, a condition where drizzle freezes immediately upon reaching earth's surface. Freezing drizzle is still less dangerous than freezing rain, but can potentially result in hazardous road conditions.

Next Topic: Evaporation