Forecast Details for Roxana, IL

Recent Locations: Lecompte, LA Trumbull, CT Roxana, IL

Today: Showers and possibly a thunderstorm. High near 57. Northeast wind 7 to 10 mph. Chance of precipitation is 90%.

Tonight: Showers and thunderstorms likely before 1am, then a chance of showers. Mostly cloudy, with a temperature falling to near 56 by 8pm, then rising to around 65 during the remainder of the night. East wind 10 to 14 mph becoming south after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 60%.

Thursday: A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 77. Breezy, with a south wind 15 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 80%.

Thursday Night: Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 62. South wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%.

Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. South wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.

Friday Night: Showers and possibly a thunderstorm. Low around 55. Chance of precipitation is 90%.

Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.

Saturday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 39.

Sunday: Sunny, with a high near 57.

Sunday Night: Clear, with a low around 36.

Monday: Sunny, with a high near 66.

Monday Night: Partly cloudy, with a low around 41.

Tuesday: 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)

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Weather Topic: What are Mammatus Clouds?

Home - Education - Cloud Types - Mammatus Clouds

Mammatus Clouds Next Topic: Nimbostratus Clouds

A mammatus cloud is a cloud with a unique feature which resembles a web of pouches hanging along the base of the cloud.

In the United States, mammatus clouds tend to form in the warmer months, commonly in the Midwest and eastern regions.

While they usually form at the bottom of a cumulonimbis cloud, they can also form under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds warn that severe weather is close.

Next Topic: Nimbostratus Clouds

Weather Topic: What is Precipitation?

Home - Education - Precipitation - Precipitation

Next Topic: Rain

Precipitation can refer to many different forms of water that may fall from clouds. Precipitation occurs after a cloud has become saturated to the point where its water particles are more dense than the air below the cloud.

In most cases, precipitation will reach the ground, but it is not uncommon for precipitation to evaporate before it reaches the earth's surface. When precipitation evaporates before it contacts the ground it is called Virga. Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog and mist are not considered precipitation because the water vapor which constitutes them isn't dense enough to fall to the ground.

Next Topic: Rain