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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Current Conditions

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Spring Valley WI

7 Day Forecast

This
Afternoon

Heavy Rain Chance for Measurable Precipitation 60%

Heavy
Rain

High: 78 °F

Tonight

Heavy Rain Chance for Measurable Precipitation 80%

Heavy
Rain

Low: 62 °F

Saturday

Decreasing Clouds

Decreasing
Clouds

High: 75 °F

Saturday
Night

Partly Cloudy

Partly
Cloudy

Low: 60 °F

Sunday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 79 °F

Sunday
Night

Severe Thunderstorms Chance for Measurable Precipitation 80%

Severe
Thunderstorms

Low: 64 °F

Labor
Day

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

High: 76 °F

Monday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 56 °F

Tuesday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 75 °F

Detailed Forecast

  • This Afternoon Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 78. South southwest wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Tonight Showers and possibly a thunderstorm before midnight, then scattered showers and thunderstorms, mainly between midnight and 5am. Some of the storms could produce heavy rainfall. Low around 62. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
  • Saturday Cloudy, then gradually becoming mostly sunny, with a high near 75. North northwest wind around 5 mph.
  • Saturday Night Partly cloudy, with a low around 60. North wind around 5 mph becoming calm.
  • Sunday A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 79. South wind 5 to 15 mph.
  • Sunday Night Showers and thunderstorms, mainly after 7pm. Some of the storms could be severe. Low around 64. South wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
  • Labor Day Showers and thunderstorms likely, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 76. West wind 10 to 15 mph. Chance of precipitation is 60%.
  • Monday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 56. West wind 5 to 10 mph.
  • Tuesday A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 75. West wind 5 to 10 mph.
  • Tuesday Night Partly cloudy, with a low around 56. Southwest wind 5 to 10 mph.
  • Wednesday Sunny, with a high near 77. Southwest wind 5 to 10 mph.
  • Wednesday Night A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62. Southeast wind around 5 mph.
  • Thursday A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. Southeast wind 5 to 10 mph.