National Weather Service United States Department of Commerce

Arctic air to drop temperatures across the northern Plain and northern Rockies; will bring snow to the Intermountain West

An arctic front is forecast to plunge through the northern Plains and northern Rockies on Saturday bringing a drastic drop in temperatures across these areas with a burst of snow over much of the Intermountain Region. Arctic air will also filter into the Pacific Northwest bringing with it snow showers and subfreezing low temperatures.
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Current Conditions

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Sidney MT

7 Day Forecast

For More Weather Information:

Glasgow, MT Local Forecast Office

Overnight

Chance Freezing Rain Chance for Measurable Precipitation 30%

Chance
Freezing Rain

Low: 11 °F

Saturday

Snow Chance for Measurable Precipitation 80%

Snow

High: 11 °FFalling Temperatures

Saturday
Night

Blowing Snow Chance for Measurable Precipitation 30%

Blowing
Snow

Low: -7 °F

Sunday

Cold

Cold

High: 6 °F

Sunday
Night

Mostly Clear

Mostly
Clear

Low: -9 °F

Monday

Sunny

Sunny

High: 19 °F

Monday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 7 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 19 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 7 °F

Detailed Forecast

  • Overnight A chance of freezing rain. Cloudy, with a low around 11. Wind chill values as low as -6. Southwest wind around 9 mph becoming west northwest. Chance of precipitation is 30%.
  • Saturday A chance of snow showers before 11am, then snow showers with areas of blowing snow after 11am. Temperature falling to around 4 by 5pm. Wind chill values as low as -15. North northwest wind around 17 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
  • Saturday Night Areas of blowing snow and a chance of snow showers before 11pm, then patchy blowing snow and a slight chance of snow showers after 11pm. Cloudy, then gradually becoming partly cloudy, with a low around -7. Wind chill values as low as -27. Northwest wind 11 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
  • Sunday Sunny and cold, with a high near 6. Wind chill values as low as -25. West wind 11 to 17 mph, with gusts as high as 24 mph.
  • Sunday Night Mostly clear, with a low around -9. West southwest wind 6 to 13 mph.
  • Monday Sunny, with a high near 19. South wind 9 to 14 mph, with gusts as high as 20 mph.
  • Monday Night Mostly cloudy, with a low around 7. West southwest wind 10 to 13 mph.
  • Tuesday Mostly sunny, with a high near 19.
  • Tuesday Night Partly cloudy, with a low around 7.
  • Wednesday Mostly sunny, with a high near 23.
  • Wednesday Night Mostly cloudy, with a low around 11.
  • Thursday Partly sunny, with a high near 32.
  • Thursday Night Partly cloudy, with a low around 16.
  • Friday Mostly sunny, with a high near 32.