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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6 Miles WNW Big Sky MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Tonight

Scattered Thunderstorms Chance for Measurable Precipitation 30%

Scattered
Thunderstorms

Low: 48 °F

Saturday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 67 °F

Saturday
Night

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

Low: 50 °F

Sunday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 68 °F

Sunday
Night

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

Low: 50 °F

Monday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 64 °F

Monday
Night

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

Low: 47 °F

Tuesday

Chance Thunderstorms

Chance
Thunderstorms

High: 61 °F

Tuesday
Night

Chance Thunderstorms

Chance
Thunderstorms

Low: 46 °F

Detailed Forecast

  • Tonight Scattered showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 48. East wind around 7 mph becoming south southwest after midnight. Chance of precipitation is 30%.
  • Saturday A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67. West wind 5 to 7 mph.
  • Saturday Night A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 50. Calm wind becoming south southwest 5 to 8 mph after midnight.
  • Sunday A 30 percent chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 68. Southwest wind around 5 mph becoming northwest in the afternoon.
  • Sunday Night A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 50. North northeast wind 5 to 7 mph becoming calm after midnight.
  • Monday A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 64.
  • Monday Night A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 47.
  • Tuesday A chance of showers and thunderstorms. Partly sunny, with a high near 61.
  • Tuesday Night A chance of showers and thunderstorms. Partly cloudy, with a low around 46.
  • Wednesday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 64.
  • Wednesday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 48.
  • Thursday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 67.
  • Thursday Night A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
  • Friday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 64.