Forecast Details for Rock Island, TX

Recent Locations: Hubbard, TX Phoenix Sky Harbor International Airport, AZ Rock Island, TX

Today: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 94. North wind 5 to 10 mph.

Tonight: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. Northeast wind 5 to 10 mph becoming light and variable after midnight.

Friday: A chance of showers and thunderstorms before 10am, then showers likely and possibly a thunderstorm between 10am and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 92. Calm wind becoming northeast around 5 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. Northeast wind around 5 mph becoming calm after midnight.

Saturday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 92. Light and variable wind becoming northeast 5 to 10 mph in the morning. Chance of precipitation is 60%.

Saturday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 73. Chance of precipitation is 20%.

Sunday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95.

Sunday Night: Mostly clear, with a low around 73.

Monday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 96.

Monday Night: Mostly clear, with a low around 74.

Tuesday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.

Tuesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.

Wednesday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.

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North America Water Vapor (Moisture)

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Weather Topic: What are Wall Clouds?

Home - Education - Cloud Types - Wall Clouds

Wall Clouds Next Topic: Altocumulus Clouds

A wall cloud forms underneath the base of a cumulonimbus cloud, and can be a hotbed for deadly tornadoes.

Wall clouds are formed by air flowing into the cumulonimbus clouds, which can result in the wall cloud descending from the base of the cumulonimbus cloud, or rising fractus clouds which join to the base of the storm cloud as the wall cloud takes shape.

Wall clouds can be very large, and in the Northern Hemisphere they generally form at the southern edge of cumulonimbus clouds.

Next Topic: Altocumulus Clouds

Weather Topic: What are Altostratus Clouds?

Home - Education - Cloud Types - Altostratus Clouds

Next Topic: Cirrocumulus Clouds

Altostratus clouds form at mid to high-level altitudes (between 2 and 7 km) and are created by a warm, stable air mass which causes water vapor to condense as it rise through the atmosphere. Usually altostratus clouds are featureless sheets characterized by a uniform color.

In some cases, wind punching through the cloud formation may give it a waved appearance, called altostratus undulatus. Altostratus clouds are commonly seen with other cloud formations accompanying them.

Next Topic: Cirrocumulus Clouds