Forecast Details for Jefferson, CO

Recent Locations: Glenwood, IN Kings Beach, CA Jefferson, CO

Tonight: A 30 percent chance of showers, mainly before midnight. Areas of smoke before midnight. Mostly cloudy, with a low around 42. West wind around 5 mph becoming light and variable after midnight.

Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 9am. Mostly sunny, with a high near 66. Light north northwest wind becoming west northwest 8 to 13 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 40%.

Sunday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 40. West northwest wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

Monday: Mostly sunny, with a high near 68. West northwest wind 5 to 14 mph, with gusts as high as 22 mph.

Monday Night: Mostly clear, with a low around 40. West northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 16 mph.

Tuesday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68.

Tuesday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 41.

Wednesday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 67.

Wednesday Night: A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 40.

Thursday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 64.

Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 39.

Friday: A chance of showers and thunderstorms. Partly sunny, with a high near 61. Breezy.

Friday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 34.

Saturday: A chance of showers and thunderstorms. Mostly sunny, with a high near 63. Breezy.

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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 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

Weather Topic: What is Rain?

Home - Education - Precipitation - Rain

Rain Next Topic: Shelf Clouds

Precipitation in the form of water droplets is called rain. Rain generally has a tendency to fall with less intensity over a greater period of time, and when rainfall is more severe it is usually less sustained.

Rain is the most common form of precipitation and happens with greater frequency depending on the season and regional influences. Cities have been shown to have an observable effect on rainfall, due to an effect called the urban heat island. Compared to upwind, monthly rainfall between twenty and forty miles downwind of cities is 30% greater.

Next Topic: Shelf Clouds