Forecast Details for Alto Pass, IL

Recent Locations: Wheaton, IL Fulton, AR Alto Pass, IL

Overnight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 50. West northwest wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

Saturday: Showers and thunderstorms before 2pm, then a slight chance of showers between 2pm and 3pm. Temperature falling to around 52 by 9am. West southwest wind 10 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%.

Saturday Night: Mostly cloudy, then gradually becoming clear, with a low around 39. North northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.

Sunday: Sunny, with a high near 68. Light west southwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

Sunday Night: Mostly clear, with a low around 42. West wind around 6 mph becoming northeast after midnight.

Monday: Sunny, with a high near 68. East northeast wind around 6 mph becoming south in the afternoon.

Monday Night: Clear, with a low around 50. South southeast wind around 7 mph.

Tuesday: Sunny, with a high near 77. Southwest wind 7 to 13 mph, with gusts as high as 23 mph.

Tuesday Night: Mostly clear, with a low around 55. Southwest wind 6 to 10 mph.

Wednesday: Sunny, with a high near 80. Southwest wind 6 to 8 mph.

Wednesday Night: Clear, with a low around 59. South wind around 6 mph.

Thursday: Sunny, with a high near 83. South wind 6 to 14 mph, with gusts as high as 24 mph.

Thursday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 62. South wind 11 to 13 mph, with gusts as high as 21 mph.

Friday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 77. South southwest wind around 14 mph, with gusts as high as 25 mph.

Want more detail? Get the Complete 7 Day and Night Detailed Forecast!

Current U.S. National Radar--Current

The Current National Weather Radar is shown below with a UTC Time (subtract 5 hours from UTC to get Eastern Time).

National Weather Forecast--Current

The Current National Weather Forecast and National Weather Map are shown below.

National Weather Forecast for Tomorrow

Tomorrow National Weather Forecast and Tomorrow National Weather Map are show below.

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 Hole Punch Clouds?

Home - Education - Cloud Types - Hole Punch Clouds

Hole Punch Clouds Next Topic: Mammatus Clouds

A hole punch cloud is an unusual occurrence when a disk-shaped hole appears in a cirrostratus, cirrocumulus, or altocumulus cloud.

When part of the cloud forms ice crystals, water droplets in the surrounding area of the cloud evaporate. The effect of this process produces a large elliptical gap in the cloud. The hole punch cloud formation is rare, but it is not specific to any geographic area.

Other names which have been used to describe this phenomena include fallstreak hole, skypunch, and cloud hole.

Next Topic: Mammatus Clouds

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