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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Hazardous Weather Conditions

Current Conditions

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Sidney MT

7 Day Forecast

For More Weather Information:

Glasgow, MT Local Forecast Office

This
Afternoon

Partly Sunny

Partly
Sunny

High: 76 °F

Tonight

Mostly Clear

Mostly
Clear

Low: 55 °F

Saturday

Thunderstorms Likely Chance for Measurable Precipitation 70%

Thunderstorms
Likely

High: 81 °F

Saturday
Night

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

Low: 56 °F

Sunday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 74 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 49 °F

Labor
Day

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 73 °F

Monday
Night

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

Low: 51 °F

Tuesday

Sunny

Sunny

High: 74 °F

Detailed Forecast

  • This Afternoon Partly sunny, with a high near 76. North northeast wind 7 to 10 mph.
  • Tonight Mostly clear, with a low around 55. East wind around 6 mph.
  • Saturday Showers and thunderstorms likely, mainly after noon. Partly sunny, with a high near 81. Southeast wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
  • Saturday Night Showers and thunderstorms likely before midnight. Mostly cloudy, with a low around 56. West northwest wind 6 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
  • Sunday A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 74. West wind around 10 mph.
  • Sunday Night Partly cloudy, with a low around 49. West wind 9 to 11 mph.
  • Labor Day A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73. West wind 8 to 11 mph.
  • Monday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 51.
  • Tuesday Sunny, with a high near 74.
  • Tuesday Night Mostly clear, with a low around 52.
  • Wednesday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 79.
  • Wednesday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 53.
  • Thursday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 74.