Forecast Details for Grand Rapids, MI

Recent Locations: Grand Rapids, MI

Current Alerts for Grand Rapids, MI: Flood Watch

Today: Showers and possibly a thunderstorm. Patchy fog between 8am and 9am. High near 72. Southwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight: Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then a chance of showers and thunderstorms after 5am. Low around 60. West southwest wind around 7 mph becoming south after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Mostly cloudy, with a high near 69. South wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 49. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.

Friday: Partly sunny, with a high near 75. Calm wind becoming south 5 to 7 mph in the afternoon.

Friday Night: A chance of showers, then showers and possibly a thunderstorm after 2am. Low around 55. Chance of precipitation is 80%.

Saturday: Showers and possibly a thunderstorm before 2pm, then a chance of showers. High near 66. Chance of precipitation is 80%.

Saturday Night: A chance of showers before 2am. Mostly cloudy, with a low around 35.

Sunday: Partly sunny, with a high near 45.

Sunday Night: Partly cloudy, with a low around 29.

Monday: Sunny, with a high near 54.

Monday Night: Partly cloudy, with a low around 40.

Tuesday: Mostly sunny, with a high near 66.

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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 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