National Weather Service United States Department of Commerce

Tropical Storm Bertha moving toward northeastern Caribbean

The National Hurricane Center is currently monitoring Tropical Storm Bertha as it moves toward the northeastern Caribbean, with maximum sustained winds of 45 mph. A Tropical Storm Warning is in effect for Puerto Rico and the U.S. Virgin Islands, with Bertha expected to pass just south of 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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Great Falls International Airport MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Today

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 93 °F

Tonight

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 59 °F

Saturday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 87 °F

Saturday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 60 °F

Sunday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 88 °F

Sunday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 57 °F

Monday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 85 °F

Monday
Night

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

Low: 60 °F

Tuesday

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

High: 86 °F

Detailed Forecast

  • Today A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Light and variable wind becoming east 5 to 7 mph in the afternoon.
  • Tonight A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59. East wind 5 to 10 mph becoming north northeast after midnight.
  • Saturday A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. North northeast wind 5 to 8 mph becoming east in the afternoon. Chance of precipitation is 30%.
  • Saturday Night A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 60. East northeast wind 7 to 10 mph becoming south southeast after midnight.
  • Sunday A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. South southeast wind 5 to 7 mph becoming north northeast in the afternoon.
  • Sunday Night A 30 percent chance of showers and thunderstorms, mainly between 7pm and 1am. Partly cloudy, with a low around 57.
  • Monday A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.
  • Monday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60.
  • Tuesday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.
  • Tuesday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 59.
  • Wednesday Mostly sunny, with a high near 89.
  • Wednesday Night Partly cloudy, with a low around 58.
  • Thursday Mostly sunny, with a high near 90.