National Weather Service United States Department of Commerce

A stalled frontal boundary and ample monsoonal moisture will lead to flash flood potential from the Great Basin to the Great Plains tonight and Tuesday

A stalled frontal boundary will set up along the southern and central Rockies for the next couple of days providing focus for showers and thunderstorms. In addition, ample monsoonal moisture will stream in across the southwest bringing enough moisture to introduce a flash flood threat from the Great Basin and Southwest eastward across the central and southern Rockies into the adjacent Plains.
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Current Conditions

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Decorah IA

7 Day Forecast

For More Weather Information:

La Crosse Local Forecast Office

Tonight

Partly Cloudy

Partly
Cloudy

Low: 55 °F

Tuesday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 77 °F

Tuesday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 10%

Slight Chc
Thunderstorms

Low: 56 °F

Wednesday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 78 °F

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 57 °F

Thursday

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 79 °F

Thursday
Night

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 61 °F

Friday

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

High: 79 °F

Friday
Night

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 59 °F

Detailed Forecast

  • Tonight Partly cloudy, with a low around 55. Northwest wind around 6 mph.
  • Tuesday A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 77. Northwest wind 5 to 9 mph.
  • Tuesday Night A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 56. Northwest wind 3 to 7 mph.
  • Wednesday A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78. Northwest wind 3 to 7 mph.
  • Wednesday Night Partly cloudy, with a low around 57. Northwest wind around 5 mph becoming calm in the evening.
  • Thursday A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79. West wind 3 to 7 mph.
  • Thursday Night A slight chance of showers. Partly cloudy, with a low around 61. West wind around 5 mph. Chance of precipitation is 20%.
  • Friday A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. West wind around 6 mph.
  • Friday Night A slight chance of showers. Partly cloudy, with a low around 59. Light and variable wind becoming west around 5 mph after midnight. Chance of precipitation is 20%.
  • Saturday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79. Northeast wind around 5 mph.
  • Saturday Night Mostly clear, with a low around 59. Northeast wind around 5 mph becoming light and variable after midnight.
  • Sunday Mostly sunny, with a high near 81. West wind 3 to 6 mph.
  • Sunday Night A 20 percent chance of showers. Partly cloudy, with a low around 62. West wind around 5 mph becoming calm in the evening.
  • Monday A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. West wind around 6 mph becoming northwest in the afternoon.