Forecast Details for Forsyth, IL

Recent Locations: Byron, GA Maspeth, NY Forsyth, IL

Current Alerts for Forsyth, IL: Flood Watch

Overnight: Showers and possibly a thunderstorm, mainly before 5am, then a chance of showers and thunderstorms after 5am. Some of the storms could produce heavy rainfall. Low around 46. West southwest wind around 18 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Saturday: A 30 percent chance of showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 54. Breezy, with a west northwest wind 18 to 22 mph, with gusts as high as 29 mph.

Saturday Night: Patchy frost after 2am. Otherwise, mostly clear, with a low around 37. West northwest wind 7 to 16 mph becoming southwest after midnight. Winds could gust as high as 24 mph.

Sunday: Patchy frost before 9am. Otherwise, sunny, with a high near 60. Breezy, with a west wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.

Sunday Night: Patchy frost after 2am. Otherwise, mostly clear, with a low around 34. North northeast wind 6 to 14 mph, with gusts as high as 20 mph.

Monday: Patchy frost before 9am. Otherwise, sunny, with a high near 60. East northeast wind 6 to 8 mph becoming south in the afternoon.

Monday Night: Mostly clear, with a low around 47. South southeast wind 9 to 14 mph, with gusts as high as 22 mph.

Tuesday: Mostly sunny, with a high near 76. Breezy.

Tuesday Night: Partly cloudy, with a low around 56.

Wednesday: Sunny, with a high near 79.

Wednesday Night: Mostly clear, with a low around 58.

Thursday: Mostly sunny, with a high near 83. Breezy.

Thursday Night: A chance of showers. Partly cloudy, with a low around 61.

Friday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 75. Breezy.

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North America Water Vapor (Moisture)

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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