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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4 Miles SW Helena MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Overnight

Scattered Thunderstorms Chance for Measurable Precipitation 40%

Scattered
Thunderstorms

Low: 57 °F

Saturday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 84 °F

Saturday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 58 °F

Sunday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 83 °F

Sunday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 55 °F

Monday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 84 °F

Monday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 59 °F

Tuesday

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

High: 82 °F

Tuesday
Night

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

Low: 56 °F

Detailed Forecast

  • Overnight Scattered showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 57. Northwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 40%.
  • Saturday A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84. Calm wind becoming northeast 5 to 7 mph in the morning.
  • Saturday Night A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58. Northeast wind around 6 mph becoming south southwest after midnight.
  • Sunday A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83. Calm wind becoming north northeast around 5 mph in the afternoon.
  • Sunday Night A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 55. Calm wind.
  • Monday A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84.
  • Monday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59.
  • Tuesday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82.
  • Tuesday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 56.
  • Wednesday Mostly sunny, with a high near 85.
  • Wednesday Night Partly cloudy, with a low around 56.
  • Thursday Mostly sunny, with a high near 87.
  • Thursday Night Partly cloudy, with a low around 56.
  • Friday Mostly sunny, with a high near 84.