National Weather Service United States Department of Commerce

Significant threat for flash flooding continues across the southwestern U.S.

Heavy precipitation continues to be forecast for much of the Southwest U.S. this week due to the remnants of weakening Tropical Storm Odile. The heavy rainfall will be concentrated across southern Arizona, southern New Mexico and western Texas where 3 to 6 inches could fall through Friday, with some locales receiving up to 9 inches. Flash Flood Watches remain in effect for much of this area.
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Current Conditions

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Big Sky MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Overnight

Partly Cloudy

Partly
Cloudy

Low: 45 °F

Wednesday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 76 °F

Wednesday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 46 °F

Thursday

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

High: 71 °F

Thursday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 43 °F

Friday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 66 °F

Friday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 39 °F

Saturday

Sunny

Sunny

High: 68 °F

Saturday
Night

Mostly Clear

Mostly
Clear

Low: 40 °F

Detailed Forecast

  • Overnight Partly cloudy, with a low around 45. Light southwest wind.
  • Wednesday A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76. Calm wind becoming southwest around 6 mph in the afternoon.
  • Wednesday Night A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 46. West southwest wind 5 to 9 mph becoming south after midnight. Chance of precipitation is 20%.
  • Thursday A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 71. South southwest wind around 6 mph. Chance of precipitation is 60%.
  • Thursday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 43. Southwest wind 3 to 7 mph. Chance of precipitation is 30%.
  • Friday A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 66. Chance of precipitation is 30%.
  • Friday Night A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 39.
  • Saturday Sunny, with a high near 68.
  • Saturday Night Mostly clear, with a low around 40.
  • Sunday Sunny, with a high near 71.
  • Sunday Night Mostly clear, with a low around 39.
  • Monday Sunny, with a high near 70.
  • Monday Night Mostly clear, with a low around 39.
  • Tuesday Sunny, with a high near 67.