Forecast Details for Rochester, MN

Recent Locations: Rileyville, VA Rodessa, LA Rochester, MN

Current Alerts for Rochester, MN: Winter Weather Advisory

Tonight: Showers. Low around 33. East wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Thursday: Showers, with thunderstorms also possible after 4pm. High near 43. East wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Thursday Night: A chance of rain showers, mixing with snow after 11pm, then gradually ending. Some thunder is also possible. Mostly cloudy, with a low around 31. Northwest wind 7 to 10 mph. Chance of precipitation is 30%.

Friday: Showers and possibly a thunderstorm after 1pm. High near 48. North wind 6 to 10 mph becoming east in the afternoon. Chance of precipitation is 80%. 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 a chance of showers. Low around 36. East wind around 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Saturday: A 30 percent chance of showers. Mostly cloudy, with a high near 42. Breezy, with a west wind 10 to 17 mph, with gusts as high as 29 mph.

Saturday Night: Mostly cloudy, with a low around 29. Breezy, with a northwest wind 14 to 18 mph, with gusts as high as 28 mph.

Sunday: Mostly sunny, with a high near 49. Northwest wind 10 to 14 mph.

Sunday Night: Partly cloudy, with a low around 33. West wind 6 to 10 mph.

Monday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 47. Northwest wind 8 to 11 mph.

Monday Night: Partly cloudy, with a low around 25. North wind 7 to 10 mph, with gusts as high as 18 mph.

Tuesday: Sunny, with a high near 47. Northeast wind 6 to 10 mph becoming southeast in the afternoon.

Tuesday Night: A slight chance of rain and snow showers. Partly cloudy, with a low around 34. South wind 10 to 15 mph. Chance of precipitation is 20%.

Wednesday: A 30 percent chance of showers. Partly sunny, with a high near 60. Breezy, with a south wind 14 to 17 mph, with gusts as high as 28 mph.

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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 is Condensation?

Home - Education - Precipitation - 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

Weather Topic: What are Cumulonimbus Clouds?

Home - Education - Cloud Types - Cumulonimbus Clouds

Cumulonimbus Clouds Next Topic: Cumulus Clouds

The final form taken by a growing cumulus cloud is the cumulonimbus cloud, which is very tall and dense. The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although most commonly they stop growing at an altitude of 6 km.

Even small cumulonimbus clouds appear very large in comparison to other cloud types. They can signal the approach of stormy weather, such as thunderstorms or blizzards.

Next Topic: Cumulus Clouds