National Weather Service United States Department of Commerce

Chance of severe thunderstorms in the Plains on Friday

Scattered strong to severe storms will be possible from northeast Colorado and northwest Kansas into Nebraska Friday afternoon and evening, then overnight across portions of the central and northern Plains. Large hail and strong wind gusts will be the primary threats, although a tornado cannot be ruled out.
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Current Conditions

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Lewistown MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Overnight

Chance Showers Chance for Measurable Precipitation 50%

Chance
Showers

Low: 50 °F

Friday

Showers Chance for Measurable Precipitation 80%

Showers

High: 63 °F

Friday
Night

Heavy Rain Chance for Measurable Precipitation 100%

Heavy
Rain

Low: 49 °F

Saturday

Rain Chance for Measurable Precipitation 100%

Rain

High: 53 °F

Saturday
Night

Showers Likely Chance for Measurable Precipitation 70%

Showers
Likely

Low: 42 °F

Sunday

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

High: 58 °F

Sunday
Night

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

Low: 41 °F

Monday

Chance Showers

Chance
Showers

High: 63 °F

Monday
Night

Chance Showers

Chance
Showers

Low: 43 °F

Detailed Forecast

  • Overnight A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 50. East southeast wind around 5 mph.
  • Friday Showers, with thunderstorms also possible after noon. High near 63. Light east wind increasing to 6 to 11 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
  • Friday Night Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 49. East wind 10 to 13 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
  • Saturday Rain. High near 53. North northeast wind 8 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
  • Saturday Night Showers likely, mainly before midnight. Cloudy, with a low around 42. Northwest wind around 11 mph. Chance of precipitation is 70%.
  • Sunday A 40 percent chance of showers. Cloudy, with a high near 58.
  • Sunday Night A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 41.
  • Monday A chance of showers. Partly sunny, with a high near 63.
  • Monday Night A chance of showers. Mostly cloudy, with a low around 43.
  • Tuesday A slight chance of showers. Mostly sunny, with a high near 76.
  • Tuesday Night Partly cloudy, with a low around 51.
  • Wednesday Mostly sunny, with a high near 79.
  • Wednesday Night Partly cloudy, with a low around 53.
  • Thursday Mostly sunny, with a high near 83.