National Weather Service United States Department of Commerce

Tropical Storm Bertha moving through northeastern Caribbean

The National Hurricane Center is currently monitoring Tropical Storm Bertha as it moves through the northeastern Caribbean, with maximum sustained winds of 50 mph. A Tropical Storm Warning is in effect for Puerto Rico and the U.S. Virgin Islands, with Bertha expected to pass near Puerto Rico on Saturday, before eventually curving to the north and northeast, away from the U.S. mainland.
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Current Conditions

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22 Miles NW West Yellowstone MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Overnight

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

Low: 46 °F

Saturday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 70 °F

Saturday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 49 °F

Sunday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 71 °F

Sunday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 49 °F

Monday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 67 °F

Monday
Night

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

Low: 46 °F

Tuesday

Chance Thunderstorms

Chance
Thunderstorms

High: 65 °F

Tuesday
Night

Chance Thunderstorms

Chance
Thunderstorms

Low: 44 °F

Detailed Forecast

  • Overnight Isolated showers and thunderstorms. Partly cloudy, with a low around 46. Calm wind. Chance of precipitation is 20%.
  • Saturday A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70. Calm wind becoming south southwest around 5 mph in the morning.
  • Saturday Night A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 49. Light and variable wind.
  • Sunday A 30 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 71. Calm wind.
  • Sunday Night A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 49. North wind 3 to 5 mph.
  • Monday A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 67.
  • Monday Night A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 46.
  • Tuesday A chance of showers and thunderstorms. Partly sunny, with a high near 65.
  • Tuesday Night A chance of showers and thunderstorms. Partly cloudy, with a low around 44.
  • Wednesday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 68.
  • Wednesday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 46.
  • Thursday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 71.
  • Thursday Night A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 47.
  • Friday A slight chance of showers and thunderstorms. Partly sunny, with a high near 67.