Forecast Details for Helix, OR

Recent Locations: Brandywine, MD Topton, NC Helix, OR

Today: Rain, mainly before 11am, then showers and possibly a thunderstorm after 2pm. High near 55. South wind 6 to 9 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight: Showers and possibly a thunderstorm before 8pm, then a chance of rain after 8pm. Snow level 5900 feet lowering to 2500 feet after midnight . Low around 34. Southwest wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday: A chance of rain and snow before 11am, then rain likely. Snow level 2000 feet rising to 3200 feet in the afternoon. Partly sunny, with a high near 49. Breezy, with a west wind 14 to 19 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Thursday Night: Mostly cloudy, then gradually becoming clear, with a low around 33. Southwest wind 10 to 20 mph, with gusts as high as 31 mph.

Friday: Sunny, with a high near 56. South wind around 10 mph, with gusts as high as 18 mph.

Friday Night: Mostly clear, with a low around 35.

Saturday: Sunny, with a high near 63.

Saturday Night: Mostly clear, with a low around 40.

Sunday: Mostly sunny, with a high near 67.

Sunday Night: Partly cloudy, with a low around 43.

Monday: Partly sunny, with a high near 69.

Monday Night: Mostly cloudy, with a low around 47.

Tuesday: A slight chance of rain. Partly sunny, with a high near 68.

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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