National Weather Service United States Department of Commerce

Winter storm bringing snow, sleet and freezing rain from lower Miss. Valley to Northeast

A strong cold front moving across the eastern U.S. will bring heavy snow from parts of the Ohio Valley to the Northeast on Thursday, with rain, freezing rain and sleet possible from parts of the lower Mississippi Valley across the Southeast to the southern Mid-Atlantic. Snowfall totals of 5-10 inches are possible for some areas. Winter Storm Warnings remain in effect from Texas to Nantucket.
Read More...

Current Conditions

En Español

Share |

Lewistown MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Tonight

Mostly Cloudy

Mostly
Cloudy

Low: -3 °C

Friday

Partly Sunny

Partly
Sunny

High: 9 °C

Friday
Night

Mostly Cloudy

Mostly
Cloudy

Low: -2 °C

Saturday

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

High: 9 °C

Saturday
Night

Partly Cloudy

Partly
Cloudy

Low: -3 °C

Sunday

Sunny

Sunny

High: 10 °C

Sunday
Night

Mostly Clear

Mostly
Clear

Low: 0 °C

Monday

Sunny

Sunny

High: 14 °C

Monday
Night

Mostly Clear

Mostly
Clear

Low: 2 °C

Detailed Forecast

  • Tonight Mostly cloudy, with a low around -3. West southwest wind 14 to 18 km/h.
  • Friday Partly sunny, with a high near 9. West wind 16 to 23 km/h, with gusts as high as 32 km/h.
  • Friday Night Mostly cloudy, with a low around -2. Southwest wind 11 to 18 km/h.
  • Saturday A 20 percent chance of showers after 11am. Partly sunny, with a high near 9. Southwest wind around 14 km/h becoming west in the morning.
  • Saturday Night Partly cloudy, with a low around -3. West northwest wind 14 to 16 km/h becoming southwest in the evening.
  • Sunday Sunny, with a high near 10.
  • Sunday Night Mostly clear, with a low around 0.
  • Monday Sunny, with a high near 14.
  • Monday Night Mostly clear, with a low around 2.
  • Tuesday Mostly sunny, with a high near 15.
  • Tuesday Night Partly cloudy, with a low around 3.
  • Wednesday A slight chance of showers. Partly sunny, with a high near 11.
  • Wednesday Night A slight chance of rain showers. Mostly cloudy, with a low around -4.
  • Thursday A slight chance of rain and snow showers. Partly sunny, with a high near 8.