Forecast Details for Lewiston, MN

Recent Locations: Panacea, FL Downs, KS Lewiston, MN

Today: Increasing clouds, with a high near 47. East wind 8 to 14 mph, with gusts as high as 22 mph.

Tonight: Rain showers before 1am, then rain or freezing rain between 1am and 5am, then freezing rain after 5am. Low around 31. Breezy, with an east wind 17 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New ice accumulation of 0.1 to 0.3 of an inch possible.

Thursday: Showers, with thunderstorms also possible after 4pm. High near 46. Breezy, with an east wind 11 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Thursday Night: A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am. Mostly cloudy, with a low around 32. West wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday: Showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 49. Northwest wind 8 to 11 mph becoming east in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Low around 35. East wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Saturday: A 40 percent chance of showers. Mostly cloudy, with a high near 41. Breezy, with a west wind 15 to 20 mph, with gusts as high as 28 mph.

Saturday Night: A slight chance of rain and snow showers before 1am. Mostly cloudy, with a low around 27. Breezy, with a northwest wind 18 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

Sunday: Mostly sunny, with a high near 46. Breezy, with a northwest wind 11 to 20 mph, with gusts as high as 28 mph.

Sunday Night: A slight chance of rain and snow showers after 1am. Partly cloudy, with a low around 29. Northwest wind 7 to 11 mph becoming southwest after midnight. Chance of precipitation is 20%.

Monday: A chance of rain and snow showers. Partly sunny, with a high near 47. Southwest wind 8 to 11 mph becoming north in the afternoon. Chance of precipitation is 40%.

Monday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 26. North wind around 11 mph.

Tuesday: Mostly sunny, with a high near 46. North wind around 10 mph.

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Weather Topic: What is Precipitation?

Home - Education - 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

Weather Topic: What are Shelf Clouds?

Home - Education - Cloud Types - Shelf Clouds

Shelf Clouds Next Topic: Sleet

A shelf cloud is similar to a wall cloud, but forms at the front of a storm cloud, instead of at the rear, where wall clouds form.

A shelf cloud is caused by a series of events set into motion by the advancing storm; first, cool air settles along the ground where precipitation has just fallen. As the cool air is brought in, the warmer air is displaced, and rises above it, because it is less dense. When the warmer air reaches the bottom of the storm cloud, it begins to cool again, and the resulting condensation is a visible shelf cloud.

Next Topic: Sleet