National Weather Service United States Department of Commerce

Flash flooding possible for parts of Upper Midwest

A slow-moving weather system progressing from the northern Plains to the Great Lakes will bring excessive rainfall and a risk of flash flooding to portions of the Upper Midwest on Friday. The heaviest rainfall is expected from central Iowa northeastward across southeastern Minn. and into Wisc. Rainfall totals of 1-2 inches, with locally-higher amounts, are possible through Saturday morning.
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Mount Evans CO

7 Day Forecast

For More Weather Information:

Denver-Boulder, CO Local Forecast Office

This
Afternoon

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 49 °F

Tonight

Chance Rain/Snow Chance for Measurable Precipitation 30%

Chance
Rain/Snow

Low: 37 °F

Saturday

Chance Rain/Snow Chance for Measurable Precipitation 30%

Chance
Rain/Snow

High: 53 °F

Saturday
Night

Chance Rain/Snow Chance for Measurable Precipitation 30%

Chance
Rain/Snow

Low: 35 °F

Sunday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 49 °F

Sunday
Night

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

Low: 34 °F

Labor
Day

Breezy

Breezy

High: 47 °F

Monday
Night

Breezy

Breezy

Low: 36 °F

Tuesday

Breezy

Breezy

High: 47 °F

Detailed Forecast

  • This Afternoon A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 49. North northwest wind 8 to 10 mph, with gusts as high as 16 mph.
  • Tonight A chance of rain showers, possibly mixing with snow after 8pm, then gradually ending. Some thunder is also possible. Mostly cloudy, with a low around 37. Northwest wind 7 to 11 mph becoming west southwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
  • Saturday A slight chance of rain and snow showers before 11am, then a chance of rain showers. Some thunder is also possible. Mostly sunny, with a high near 53. Breezy, with a west wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
  • Saturday Night A chance of rain showers before midnight, then a slight chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 35. Windy, with a west southwest wind 16 to 21 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 48 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
  • Sunday A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 49. Windy, with a west wind 23 to 31 mph, with gusts as high as 49 mph.
  • Sunday Night A slight chance of rain and snow showers before midnight. Some thunder is also possible. Partly cloudy, with a low around 34. Breezy. Chance of precipitation is 20%.
  • Labor Day Mostly sunny, with a high near 47. Breezy.
  • Monday Night Partly cloudy, with a low around 36. Breezy.
  • Tuesday Mostly sunny, with a high near 47. Breezy.
  • Tuesday Night Partly cloudy, with a low around 38. Breezy.
  • Wednesday Mostly sunny, with a high near 49. Breezy.
  • Wednesday Night Partly cloudy, with a low around 39. Breezy.
  • Thursday A chance of showers and thunderstorms. Mostly sunny, with a high near 49. Breezy.