National Weather Service United States Department of Commerce

Heavy rain possible for parts of the northern Rockies & Plains; Severe storms for the Upper Midwest

An unseasonably strong storm system in the northwest U.S. will bring showers and thunderstorms, some heavy, to parts of the northern Rockies and northern Plains through Saturday. Isolated flash floods will be possible in these areas. Some of the storms could be severe in parts of the Dakotas into Minnesota, with large hail and damaging winds.
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Current Conditions

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Petersburg AK

7 Day Forecast

For More Weather Information:

Juneau, AK Local Forecast Office

This
Afternoon

Mostly Sunny

Mostly
Sunny

High: 69 °F

Tonight

Scattered Showers Chance for Measurable Precipitation 40%

Scattered
Showers

Low: 54 °F

Saturday

Scattered Showers Chance for Measurable Precipitation 50%

Scattered
Showers

High: 63 °F

Saturday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 52 °F

Sunday

Partly Sunny

Partly
Sunny

High: 66 °F

Sunday
Night

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

Low: 53 °F

Monday

Rain Likely Chance for Measurable Precipitation 70%

Rain
Likely

High: 64 °F

Monday
Night

Rain

Rain

Low: 53 °F

Tuesday

Rain Likely

Rain
Likely

High: 63 °F

Detailed Forecast

  • This Afternoon Mostly sunny, with a high near 69. Calm wind.
  • Tonight Scattered showers, mainly after midnight. Mostly cloudy, with a low around 54. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 40%.
  • Saturday Scattered showers. Mostly cloudy, with a high near 63. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 50%.
  • Saturday Night Mostly cloudy, with a low around 52. Southeast wind around 5 mph becoming calm in the evening.
  • Sunday Partly sunny, with a high near 66. South wind around 5 mph becoming southeast in the morning.
  • Sunday Night A 50 percent chance of rain. Mostly cloudy, with a low around 53.
  • Monday Rain likely. Cloudy, with a high near 64. Chance of precipitation is 70%.
  • Monday Night Rain. Cloudy, with a low around 53.
  • Tuesday Rain likely. Cloudy, with a high near 63.
  • Tuesday Night A chance of rain. Mostly cloudy, with a low around 51.
  • Wednesday A chance of rain. Partly sunny, with a high near 61.
  • Wednesday Night Rain likely. Mostly cloudy, with a low around 51.
  • Thursday Rain likely. Cloudy, with a high near 62.