Forecast Details for Massena, IA

Recent Locations: Umatilla, OR Vanderpool, TX Massena, IA

Tonight: A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 55. South wind 10 to 14 mph, with gusts as high as 24 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday: A slight chance of rain and thunderstorms before 1pm, then a slight chance of rain between 1pm and 4pm, then a slight chance of rain and thunderstorms after 4pm. Partly sunny, with a steady temperature around 63. Windy, with a south southwest wind 13 to 23 mph becoming north northeast in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 20%.

Tuesday Night: A chance of rain and thunderstorms before 10pm, then a chance of rain between 10pm and 1am, then a slight chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 38. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday: A chance of rain, then rain and possibly a thunderstorm after 1pm. High near 46. Breezy, with an east northeast wind 15 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night: Rain and possibly a thunderstorm. Low around 36. East northeast wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday: Rain, mainly before 1pm. High near 54. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night: A 20 percent chance of rain before 1am. Partly cloudy, with a low around 34.

Friday: A chance of rain, then rain likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 61. Breezy. Chance of precipitation is 60%.

Friday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 34. Breezy. Chance of precipitation is 70%.

Saturday: A 50 percent chance of rain. Mostly cloudy, with a high near 47. Windy.

Saturday Night: Mostly cloudy, with a low around 28. Blustery.

Sunday: Mostly sunny, with a high near 53. Breezy.

Sunday Night: Mostly clear, with a low around 31.

Monday: Mostly sunny, with a high near 62. Breezy.

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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 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