Forecast Details for Irene, SD

Recent Locations: Irene, SD  
Tonight: Clear, with a low around 41. South southwest wind 5 to 10 mph.
Friday: Mostly sunny, with a high near 67. South wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night: Showers, mainly before 4am. Low around 44. North northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday: A 30 percent chance of showers before 7am. Partly sunny, then gradually becoming sunny, with a high near 62. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night: Clear, with a low around 40. North northwest wind 5 to 10 mph becoming east after midnight.
Sunday: Sunny, with a high near 68. Breezy, with a southeast wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.
Sunday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 53. Breezy.
Monday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 70. Breezy. Chance of precipitation is 70%.
Monday Night: A 50 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 49. Breezy.
Tuesday: Sunny, with a high near 69. Breezy.
Tuesday Night: A 30 percent chance of showers. Partly cloudy, with a low around 46.
Wednesday: Mostly sunny, with a high near 67. Breezy.
Wednesday Night: Partly cloudy, with a low around 45.
Thursday: Partly sunny, with a high near 63.

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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).

Current U.S. National Radar

National Weather Forecast--Current

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Today's National Weather Map

National Weather Forecast for Tomorrow

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Tomorrows National Weather Map

North America Water Vapor (Moisture)

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North American Water Vapor Map

Weather Topic: What are Mammatus Clouds?

Home - Education - Cloud Types - Mammatus Clouds

Mammatus Clouds Next Topic: Nimbostratus Clouds

A mammatus cloud is a cloud with a unique feature which resembles a web of pouches hanging along the base of the cloud.

In the United States, mammatus clouds tend to form in the warmer months, commonly in the Midwest and eastern regions.

While they usually form at the bottom of a cumulonimbis cloud, they can also form under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds warn that severe weather is close.

Next Topic: Nimbostratus Clouds

Weather Topic: What is Precipitation?

Home - Education - Precipitation - Precipitation

Precipitation Next Topic: Rain

Precipitation can refer to many different forms of water that may fall from clouds. Precipitation occurs after a cloud has become saturated to the point where its water particles are more dense than the air below the cloud.

In most cases, precipitation will reach the ground, but it is not uncommon for precipitation to evaporate before it reaches the earth's surface. When precipitation evaporates before it contacts the ground it is called Virga. Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog and mist are not considered precipitation because the water vapor which constitutes them isn't dense enough to fall to the ground.

Next Topic: Rain