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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3 Miles WSW Berlin NH

7 Day Forecast

For More Weather Information:

Gray/Portland, ME Local Forecast Office

Tonight

Mostly Clear

Mostly
Clear

Low: 48 °F

Saturday

Partly Sunny

Partly
Sunny

High: 73 °F

Saturday
Night

Increasing Clouds

Increasing
Clouds

Low: 60 °F

Sunday

Heavy Rain Chance for Measurable Precipitation 80%

Heavy
Rain

High: 76 °F

Sunday
Night

Heavy Rain Chance for Measurable Precipitation 80%

Heavy
Rain

Low: 63 °F

Labor
Day

Heavy Rain Chance for Measurable Precipitation 40%

Heavy
Rain

High: 75 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 61 °F

Tuesday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 78 °F

Tuesday
Night

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

Low: 60 °F

Detailed Forecast

  • Tonight Mostly clear, with a low around 48. Calm wind becoming south around 5 mph.
  • Saturday Partly sunny, with a high near 73. Light southwest wind increasing to 5 to 10 mph in the morning.
  • Saturday Night Increasing clouds, with a low around 60. South wind around 5 mph.
  • Sunday Showers and thunderstorms, mainly after noon. Some of the storms could produce heavy rainfall. High near 76. Southwest wind around 5 mph. Chance of precipitation is 80%.
  • Sunday Night Showers and thunderstorms, mainly before 10pm. Some of the storms could produce heavy rainfall. Low around 63. Southwest wind around 5 mph. Chance of precipitation is 80%.
  • Labor Day A 40 percent chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 75.
  • Monday Night Partly cloudy, with a low around 61.
  • Tuesday A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
  • Tuesday Night A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
  • Wednesday Mostly sunny, with a high near 74.
  • Wednesday Night Mostly clear, with a low around 54.
  • Thursday Mostly sunny, with a high near 74.
  • Thursday Night Partly cloudy, with a low around 53.
  • Friday A 30 percent chance of showers. Mostly sunny, with a high near 72.