Forecast Details for Mound City, IL

Recent Locations: Cincinnati, IA Fulton, KY Mound City, IL

Today: A chance of showers and thunderstorms. Partly sunny, with a high near 82. South southwest wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 66. South wind 8 to 13 mph, with gusts as high as 23 mph.

Thursday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 80. Breezy, with a south wind 14 to 22 mph, with gusts as high as 36 mph.

Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. South wind 8 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.

Friday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. South wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

Friday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. South wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

Saturday: Showers and possibly a thunderstorm. High near 70. South wind 10 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 90%.

Saturday Night: A chance of showers, mainly before 1am. Mostly cloudy, with a low around 42. Northwest wind around 9 mph.

Sunday: Sunny, with a high near 60. North northwest wind 7 to 11 mph, with gusts as high as 18 mph.

Sunday Night: Mostly clear, with a low around 38. North wind 5 to 7 mph becoming calm after midnight.

Monday: Sunny, with a high near 64. Calm wind becoming northeast around 5 mph in the afternoon.

Monday Night: Mostly clear, with a low around 43. Calm wind.

Tuesday: Sunny, with a high near 64. North wind 3 to 7 mph.

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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