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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Bismarck ND

7 Day Forecast

For More Weather Information:

Bismarck, ND Local Forecast Office

Overnight

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

Low: 58 °F

Saturday

Heavy Rain Chance for Measurable Precipitation 100%

Heavy
Rain

High: 65 °F

Saturday
Night

Heavy Rain Chance for Measurable Precipitation 90%

Heavy
Rain

Low: 55 °F

Sunday

Mostly Cloudy

Mostly
Cloudy

High: 67 °F

Sunday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 50 °F

Monday

Partly Sunny

Partly
Sunny

High: 66 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 49 °F

Tuesday

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 67 °F

Tuesday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 50 °F

Detailed Forecast

  • Overnight A 50 percent chance of showers and thunderstorms, mainly after 1am. Cloudy, with a low around 58. Northeast wind 10 to 13 mph.
  • Saturday Showers and possibly a thunderstorm. Some of the storms could produce heavy rain. High near 65. Northeast wind 13 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
  • Saturday Night Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Some of the storms could produce heavy rain. Low around 55. Northeast wind 9 to 15 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
  • Sunday Mostly cloudy, with a high near 67. West wind 11 to 15 mph, with gusts as high as 20 mph.
  • Sunday Night Mostly cloudy, with a low around 50. West wind 14 to 16 mph, with gusts as high as 21 mph.
  • Monday Partly sunny, with a high near 66.
  • Monday Night Partly cloudy, with a low around 49.
  • Tuesday A 30 percent chance of showers. Mostly cloudy, with a high near 67.
  • Tuesday Night Mostly cloudy, with a low around 50.
  • Wednesday Mostly sunny, with a high near 73.
  • Wednesday Night Mostly clear, with a low around 53.
  • Thursday Sunny, with a high near 80.
  • Thursday Night Mostly clear, with a low around 58.
  • Friday Sunny, with a high near 82.