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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Hazardous Weather Conditions

Current Conditions

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Walden CO

7 Day Forecast

For More Weather Information:

Denver-Boulder, CO Local Forecast Office

Late
Afternoon

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 68 °F

Tonight

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 39 °F

Saturday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 71 °F

Saturday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 40 °F

Sunday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 62 °F

Sunday
Night

Mostly Clear

Mostly
Clear

Low: 39 °F

Labor
Day

Breezy

Breezy

High: 67 °F

Monday
Night

Breezy

Breezy

Low: 39 °F

Tuesday

Sunny

Sunny

High: 72 °F

Detailed Forecast

  • Late Afternoon A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 68. West northwest wind around 7 mph.
  • Tonight A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 39. West northwest wind 5 to 7 mph becoming south southeast in the evening.
  • Saturday A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 71. Breezy, with a south southeast wind 8 to 13 mph becoming west southwest 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.
  • Saturday Night A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 40. Breezy, with a south wind 5 to 15 mph, with gusts as high as 24 mph.
  • Sunday A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 62. Breezy, with a light west wind becoming west southwest 16 to 21 mph in the morning. Winds could gust as high as 33 mph.
  • Sunday Night Mostly clear, with a low around 39.
  • Labor Day Mostly sunny, with a high near 67. Breezy.
  • Monday Night Mostly clear, with a low around 39. Breezy.
  • Tuesday Sunny, with a high near 72.
  • Tuesday Night Mostly clear, with a low around 42.
  • Wednesday Sunny, with a high near 74.
  • Wednesday Night Mostly clear, with a low around 42.
  • Thursday A slight chance of showers and thunderstorms. Sunny, with a high near 72.
  • Thursday Night A slight chance of showers and thunderstorms. Mostly clear, with a low around 42.
  • Friday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 69.