Forecast Details for Umatilla, OR

Recent Locations: Fox Lake, WI Gainesville, FL Umatilla, OR

Today: Rain. High near 49. Light and variable wind becoming north around 6 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Tonight: Rain likely, mainly before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 37. Southwest wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Monday: Mostly sunny, with a high near 53. Southwest wind 8 to 11 mph, with gusts as high as 18 mph.

Monday Night: Partly cloudy, with a low around 31. Southwest wind around 5 mph becoming calm in the evening.

Tuesday: Mostly cloudy, with a high near 47. Calm wind becoming north around 6 mph in the afternoon.

Tuesday Night: Mostly cloudy, with a low around 32.

Wednesday: Mostly sunny, with a high near 48.

Wednesday Night: Partly cloudy, with a low around 33.

Thursday: Partly sunny, with a high near 52.

Thursday Night: Mostly cloudy, with a low around 35.

Friday: Mostly cloudy, with a high near 50.

Friday Night: A slight chance of rain. Mostly cloudy, with a low around 34.

Saturday: A slight chance of rain and snow. Mostly cloudy, with a high near 48.

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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

Tomorrow National Weather Forecast and Tomorrow National Weather Map are show below.

North America Water Vapor (Moisture)

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Weather Topic: What are Stratocumulus Clouds?

Home - Education - Cloud Types - Stratocumulus Clouds

Next Topic: Stratus Clouds

Stratocumulus clouds are similar to altocumulus clouds in their fluffy appearance, but have a slightly darker shade due to their additional mass.

A good way to distinguish the two cloud types is to hold your hand out and measure the size of an individual cloud; if it is the size of your thumb it is generally an altocumulus cloud, if it is the size of your hand it is generally a stratocumulus cloud.

It is uncommon for stratocumulus clouds to produce precipitation, but if they do it is usually a light rain or snow.

Next Topic: Stratus Clouds

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