National Weather Service United States Department of Commerce

Significant threat for flash flooding continues across the southwestern U.S.; river flooding is also possible

Heavy precipitation continues to be forecast for much of the Southwest U.S. due to the remnants of Odile. The heaviest 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 flooding, as well as river flooding, will be a risk for many locations in this region.
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Current Conditions

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Lewistown MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Today

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

High: 28 °C

Tonight

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 11 °C

Friday

Mostly Sunny

Mostly
Sunny

High: 23 °C

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 8 °C

Saturday

Sunny

Sunny

High: 21 °C

Saturday
Night

Mostly Clear

Mostly
Clear

Low: 7 °C

Sunday

Sunny

Sunny

High: 22 °C

Sunday
Night

Mostly Clear

Mostly
Clear

Low: 7 °C

Monday

Sunny

Sunny

High: 24 °C

Detailed Forecast

  • Today Isolated showers and thunderstorms. Mostly cloudy, with a high near 28. South southeast wind 10 to 16 km/h becoming west in the afternoon. Chance of precipitation is 20%.
  • Tonight A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 11. West southwest wind 10 to 14 km/h.
  • Friday Mostly sunny, with a high near 23. West northwest wind 14 to 19 km/h increasing to 27 to 32 km/h in the afternoon. Winds could gust as high as 45 km/h.
  • Friday Night Partly cloudy, with a low around 8. West wind 11 to 18 km/h.
  • Saturday Sunny, with a high near 21. West wind 11 to 14 km/h.
  • Saturday Night Mostly clear, with a low around 7.
  • Sunday Sunny, with a high near 22.
  • Sunday Night Mostly clear, with a low around 7.
  • Monday Sunny, with a high near 24.
  • Monday Night Mostly clear, with a low around 9.
  • Tuesday Sunny, with a high near 24.
  • Tuesday Night Mostly clear, with a low around 8.
  • Wednesday Mostly sunny, with a high near 25.