Forecast Details for Secor, IL

Recent Locations: Fairfield, VT Intercourse, PA Secor, IL

Current Alerts for Secor, IL: Tornado Watch

Tonight: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and midnight. Some of the storms could be severe. Mostly cloudy, with a low around 50. Breezy, with a south wind 20 to 25 mph becoming west 9 to 14 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

Friday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 74. Southwest wind 5 to 11 mph becoming southeast in the morning. Winds could gust as high as 18 mph.

Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 52. South southeast wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Saturday: A 50 percent chance of showers before 1pm. Mostly cloudy, with a temperature falling to around 51 by 5pm. Breezy, with a west wind 14 to 21 mph, with gusts as high as 29 mph.

Saturday Night: Partly cloudy, with a low around 35. Breezy, with a west wind 14 to 20 mph, with gusts as high as 28 mph.

Sunday: Mostly sunny, with a high near 52. West northwest wind 14 to 17 mph, with gusts as high as 24 mph.

Sunday Night: Mostly clear, with a low around 36. West wind 7 to 10 mph, with gusts as high as 18 mph.

Monday: Mostly sunny, with a high near 54.

Monday Night: Mostly clear, with a low around 29.

Tuesday: Sunny, with a high near 50.

Tuesday Night: Mostly cloudy, with a low around 34.

Wednesday: Partly sunny, with a high near 65. Breezy.

Wednesday Night: A chance of showers. Mostly cloudy, with a low around 49.

Thursday: A chance of showers. Partly 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 Shelf Clouds?

Home - Education - Cloud Types - Shelf Clouds

Shelf Clouds Next Topic: Sleet

A shelf cloud is similar to a wall cloud, but forms at the front of a storm cloud, instead of at the rear, where wall clouds form.

A shelf cloud is caused by a series of events set into motion by the advancing storm; first, cool air settles along the ground where precipitation has just fallen. As the cool air is brought in, the warmer air is displaced, and rises above it, because it is less dense. When the warmer air reaches the bottom of the storm cloud, it begins to cool again, and the resulting condensation is a visible shelf cloud.

Next Topic: Sleet

Weather Topic: What is Snow?

Home - Education - Precipitation - Snow

Snow Next Topic: Stratocumulus Clouds

Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake, has unique characteristics, but all of them grow in a hexagonal structure. Snowfall can last for sustained periods of time and result in significant buildup of snow on the ground.

On the earth's surface, snow starts out light and powdery, but as it begins to melt it tends to become more granular, producing small bits of ice which have the consistency of sand. After several cycles of melting and freezing, snow can become very dense and ice-like, commonly known as snow pack.

Next Topic: Stratocumulus Clouds