Forecast Details for Grand Junction, CO

Recent Locations: Grand Junction, CO  
Overnight: Mostly cloudy, with a low around 54. South southeast wind around 15 mph.
Sunday: A 20 percent chance of showers after 3pm. Widespread blowing dust, mainly after 3pm. Mostly cloudy, with a high near 77. Very windy, with a south southeast wind 15 to 25 mph increasing to 30 to 40 mph.
Sunday Night: Showers and thunderstorms before 3am, then a chance of showers. Widespread blowing dust before midnight. Low around 41. Windy, with a south wind 25 to 35 mph becoming west southwest 10 to 20 mph. Winds could gust as high as 50 mph. Chance of precipitation is 80%.
Monday: A slight chance of showers before 9am, then a slight chance of showers and thunderstorms between 9am and noon. Mostly sunny, with a high near 62. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Monday Night: Partly cloudy, with a low around 41. Breezy, with a west wind 15 to 20 mph becoming south southwest 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Tuesday: A slight chance of showers before noon, then a slight chance of showers and thunderstorms between noon and 3pm, then a slight chance of showers after 3pm. Mostly sunny, with a high near 63. Breezy. Chance of precipitation is 20%.
Tuesday Night: Partly cloudy, with a low around 34. Breezy.
Wednesday: Sunny, with a high near 61.
Wednesday Night: Mostly clear, with a low around 37.
Thursday: Mostly sunny, with a high near 68.
Thursday Night: Partly cloudy, with a low around 44.
Friday: Mostly sunny, with a high near 73.
Friday Night: Partly cloudy, with a low around 46.
Saturday: Mostly sunny, with a high near 79.

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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)

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.

North American Water Vapor Map

Weather Topic: What are Cirrostratus Clouds?

Home - Education - Cloud Types - Cirrostratus Clouds

Cirrostratus Clouds Next Topic: Cirrus Clouds

Cirrostratus clouds are high, thin clouds that form above 20,000 feet and are made mostly of ice crystals. They sometimes look like giant feathers, horse tails, or curls of hair in the sky. These clouds are pushed by the jet stream and can move at high speeds reaching 100 mph.

What do they indicate?
They indicate that a precipitation is likely within 24 hours.

Next Topic: Cirrus Clouds

Weather Topic: What is Condensation?

Home - Education - Precipitation - Condensation

Condensation Next Topic: Contrails

Condensation is the process which creates clouds, and therefore it is a crucial process in the water cycle. Condensation is the change of matter from a state of gas into a state of liquid, and it happens because water molecules release heat into the atmosphere and become organized into a more closely packed structure, what we might see as water droplets.

Water is always present in the air around us as a vapor, but it's too small for us to see. When water undergoes the process of condensation it becomes organized into visible water droplets. You've probably seen condensation happen before on the surface of a cold drink!

Next Topic: Contrails