Forecast Details for Sugar Grove, IL

Recent Locations: Catron, MO Everett, MA Sugar Grove, IL

Current Alerts for Sugar Grove, IL: Flood Warning Freeze Watch
Frost Advisory

Tonight: Patchy frost after midnight. Otherwise, mostly clear, with a low around 33. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

Sunday: A 30 percent chance of showers, mainly after 1pm. Areas of frost before 9am. Otherwise, increasing clouds, with a high near 50. West southwest wind 5 to 10 mph becoming west northwest 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.

Sunday Night: Widespread frost, mainly after 1am. Otherwise, mostly clear, with a low around 28. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.

Monday: Widespread frost before 9am. Otherwise, sunny, with a high near 54. Calm wind becoming south around 5 mph in the afternoon. Winds could gust as high as 10 mph.

Monday Night: Mostly cloudy, with a low around 42. South wind 10 to 15 mph, with gusts as high as 20 mph.

Tuesday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 72.

Tuesday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 49.

Wednesday: Mostly sunny, with a high near 75.

Wednesday Night: Mostly clear, with a low around 54.

Thursday: Mostly sunny, with a high near 81.

Thursday Night: Showers likely. Mostly cloudy, with a low around 60.

Friday: A chance of showers. Mostly cloudy, with a high near 71.

Friday Night: A chance of showers. Mostly cloudy, with a low around 44.

Saturday: Partly sunny, with a high near 63.

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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)

This map shows recent moisture content over North America. Bright and colored areas show high moisture (ie, clouds); brown indicates very little moisture present; black indicates no moisture.

Weather Topic: What are Cumulonimbus Clouds?

Home - Education - Cloud Types - Cumulonimbus Clouds

Cumulonimbus Clouds Next Topic: Cumulus Clouds

The final form taken by a growing cumulus cloud is the cumulonimbus cloud, which is very tall and dense. The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although most commonly they stop growing at an altitude of 6 km.

Even small cumulonimbus clouds appear very large in comparison to other cloud types. They can signal the approach of stormy weather, such as thunderstorms or blizzards.

Next Topic: Cumulus Clouds

Weather Topic: What is Drizzle?

Home - Education - Precipitation - Drizzle

Drizzle Next Topic: Evaporation

Drizzle is precipitation in the form of water droplets which are smaller than raindrops.

Drizzle is characterized by fine, gently falling droplets and typically does not impact human habitation in a negative way. The exception to this is freezing drizzle, a condition where drizzle freezes immediately upon reaching earth's surface. Freezing drizzle is still less dangerous than freezing rain, but can potentially result in hazardous road conditions.

Next Topic: Evaporation