Forecast Details for Pana, IL

Recent Locations: Pana, IL

Tonight: Partly cloudy, with a low around 57. East wind 5 to 8 mph, with gusts as high as 17 mph.

Saturday: A 30 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 80. East wind 5 to 8 mph becoming southwest in the afternoon.

Saturday Night: A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 58. West southwest wind around 9 mph becoming north northwest after midnight. Winds could gust as high as 16 mph.

Sunday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 72. North wind 6 to 9 mph.

Sunday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 58. East wind 6 to 10 mph.

Monday: Showers likely, mainly after 1pm. Partly sunny, with a high near 75. East wind around 10 mph becoming south in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Monday Night: Showers likely after 1am. Mostly cloudy, with a low around 64. South southeast wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

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

Tuesday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.

Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 81. Chance of precipitation is 60%.

Wednesday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 61.

Thursday: A chance of showers. Mostly sunny, with a high near 75.

Thursday Night: A chance of showers. Partly cloudy, with a low around 54.

Friday: A chance of showers. Mostly sunny, with a high near 69.

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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 Contrails?

Home - Education - Cloud Types - Contrails

Next Topic: Cumulonimbus Clouds

A contrail is an artificial cloud, created by the passing of an aircraft.

Contrails form because water vapor in the exhaust of aircraft engines is suspended in the air under certain temperatures and humidity conditions. These contrails are called exhaust contrails.

Another type of contrail can form due to a temporary reduction in air pressure moving over the plane's surface, causing condensation. These are called aerodynamic contrails.

When you can see your breath on a cold day, it is also because of condensation. The reason contrails last longer than the condensation from your breath is because the water in contrails freezes into ice particles.

Next Topic: Cumulonimbus Clouds

Weather Topic: What are Cumulus Clouds?

Home - Education - Cloud Types - Cumulus Clouds

Next Topic: Drizzle

Cumulus clouds are fluffy and textured with rounded tops, and may have flat bottoms. The border of a cumulus cloud is clearly defined, and can have the appearance of cotton or cauliflower.

Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall, becoming cumulus congestus and possibly the even taller cumulonimbus clouds. When cumulus clouds become taller, they have a greater chance of producing precipitation.

Next Topic: Drizzle