National Weather Service United States Department of Commerce

A stalled frontal boundary and ample monsoonal moisture will lead to flash flood potential from the Great Basin to the Great Plains tonight and Tuesday

A stalled frontal boundary will set up along the southern and central Rockies for the next couple of days providing focus for showers and thunderstorms. In addition, ample monsoonal moisture will stream in across the southwest bringing enough moisture to introduce a flash flood threat from the Great Basin and Southwest eastward across the central and southern Rockies into the adjacent Plains.
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Current Conditions

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4 Miles W Fishtail MT

7 Day Forecast

For More Weather Information:

Billings, MT Local Forecast Office

Tonight

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

Low: 59 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 84 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 57 °F

Wednesday

Mostly Sunny

Mostly
Sunny

High: 84 °F

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 56 °F

Thursday

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

High: 84 °F

Thursday
Night

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

Low: 58 °F

Friday

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

High: 86 °F

Friday
Night

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

Low: 59 °F

Detailed Forecast

  • Tonight Isolated showers and thunderstorms before midnight. Mostly cloudy, with a low around 59. East wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 20%.
  • Tuesday Mostly sunny, with a high near 84. Light and variable wind becoming east 5 to 8 mph in the afternoon.
  • Tuesday Night Partly cloudy, with a low around 57. East wind 5 to 9 mph becoming southwest after midnight.
  • Wednesday Mostly sunny, with a high near 84. Calm wind becoming east 5 to 9 mph in the afternoon.
  • Wednesday Night Partly cloudy, with a low around 56. East wind 5 to 9 mph becoming south southwest after midnight.
  • Thursday Isolated showers and thunderstorms after noon. Mostly sunny, with a high near 84. Chance of precipitation is 20%.
  • Thursday Night Isolated showers and thunderstorms. Partly cloudy, with a low around 58. Chance of precipitation is 20%.
  • Friday Isolated showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
  • Friday Night Isolated showers and thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 20%.
  • Saturday Isolated showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
  • Saturday Night Isolated showers and thunderstorms. Partly cloudy, with a low around 55. Chance of precipitation is 20%.
  • Sunday Isolated showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
  • Sunday Night Isolated showers and thunderstorms. Partly cloudy, with a low around 58. Chance of precipitation is 20%.
  • Monday Isolated showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 20%.