National Weather Service United States Department of Commerce

Heavy lake-effect snow continues across lower Great Lakes

Another round of heavy lake-effect snow is forecast for the Great Lakes through mid-day Friday. An additional 30 inches or more could fall in some locations, on top of the impressive amounts that have fallen already. This will result in very difficult or nearly impossible travel at times in the heaviest snow bands. The snow should taper off during the morning on Friday.
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Current Conditions

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Spring Valley WI

7 Day Forecast

Today

Mostly Sunny

Mostly
Sunny

High: 25 °F

Tonight

Wintry Mix Chance for Measurable Precipitation 20%

Wintry
Mix

Low: 24 °FRising Temperatures

Saturday

Slight Chance Rain Chance for Measurable Precipitation 20%

Slight Chc
Rain

High: 37 °F

Saturday
Night

Slight Chance Rain Chance for Measurable Precipitation 20%

Slight Chc
Rain

Low: 34 °F

Sunday

Chance Rain/Sleet Chance for Measurable Precipitation 50%

Chance
Rain/Sleet

High: 41 °F

Sunday
Night

Snow/Sleet Chance for Measurable Precipitation 50%

Snow/Sleet

Low: 29 °F

Monday

Blowing Snow Chance for Measurable Precipitation 50%

Blowing
Snow

High: 31 °FFalling Temperatures

Monday
Night

Blowing Snow Chance for Measurable Precipitation 40%

Blowing
Snow

Low: 18 °F

Tuesday

Mostly Cloudy

Mostly
Cloudy

High: 22 °F

Detailed Forecast

  • Today Mostly sunny, with a high near 25. Wind chill values as low as -12. South wind 5 to 15 mph.
  • Tonight A slight chance of freezing rain and sleet before 2am, then a slight chance of freezing rain between 2am and 5am, then a slight chance of rain after 5am. Cloudy, with a temperature rising to around 33 by 5am. South southwest wind around 10 mph. Chance of precipitation is 20%.
  • Saturday A 20 percent chance of rain before noon. Cloudy, with a high near 37. South southwest wind around 10 mph.
  • Saturday Night A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 34. South southeast wind 5 to 10 mph.
  • Sunday A chance of rain before 5pm, then a chance of rain and sleet. Cloudy, with a high near 41. South southeast wind 5 to 10 mph becoming north northwest in the afternoon. Chance of precipitation is 50%. Little or no sleet accumulation expected.
  • Sunday Night A chance of rain and sleet before 8pm, then a chance of rain and snow between 8pm and 10pm, then a chance of snow after 10pm. Cloudy, with a low around 29. West northwest wind 5 to 10 mph. Chance of precipitation is 50%. New snow and sleet accumulation of less than a half inch possible.
  • Monday Patchy blowing snow and a chance of snow. Cloudy, with a temperature rising to near 31 by 10am, then falling to around 25 during the remainder of the day. West northwest wind 10 to 15 mph. Chance of precipitation is 50%.
  • Monday Night Patchy blowing snow and a chance of snow. Cloudy, with a low around 18. Northwest wind 10 to 15 mph. Chance of precipitation is 40%.
  • Tuesday Mostly cloudy, with a high near 22. Northwest wind around 10 mph.
  • Tuesday Night Mostly cloudy, with a low around 12. West northwest wind 5 to 10 mph becoming south southwest in the evening.
  • Wednesday A 20 percent chance of snow. Mostly cloudy, with a high near 22. Southwest wind around 5 mph becoming northwest in the afternoon.
  • Wednesday Night A 20 percent chance of snow. Mostly cloudy, with a low around 5. Northwest wind around 5 mph.
  • Thanksgiving Day Mostly cloudy, with a high near 15. Northwest wind 5 to 10 mph.