National Weather Service United States Department of Commerce

Mix of precipitation forecast for much of eastern, southern U.S.

A system moving across the Great Lakes will bring a mix of precipitation from the southern Plains to New England on Tuesday. Rain is forecast from TX across the Southeast and into the mid-Atlantic, with freezing rain, sleet and/or mixed precipitation from the Midwest across the Ohio Valley and Central Appalachians. Snow is forecast from the northern Plains across the Great Lakes into New England.
Read More...

Current Conditions

En Español

Share |

Lewistown MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Today

Mostly Sunny

Mostly
Sunny

High: -4 °C

Tonight

Partly Cloudy

Partly
Cloudy

Low: -10 °C

Thursday

Partly Sunny

Partly
Sunny

High: 6 °C

Thursday
Night

Mostly Cloudy

Mostly
Cloudy

Low: -4 °C

Friday

Partly Sunny

Partly
Sunny

High: 7 °C

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: -3 °C

Saturday

Mostly Sunny

Mostly
Sunny

High: 8 °C

Saturday
Night

Partly Cloudy

Partly
Cloudy

Low: -3 °C

Sunday

Mostly Sunny

Mostly
Sunny

High: 10 °C

Detailed Forecast

  • Today Mostly sunny, with a high near -4. Wind chill values as low as -29. West southwest wind 11 to 14 km/h.
  • Tonight Partly cloudy, with a low around -10. West southwest wind 10 to 16 km/h.
  • Thursday Partly sunny, with a high near 6. West southwest wind 16 to 23 km/h, with gusts as high as 32 km/h.
  • Thursday Night Mostly cloudy, with a low around -4. West wind 16 to 18 km/h.
  • Friday Partly sunny, with a high near 7. West wind 16 to 18 km/h.
  • Friday Night Partly cloudy, with a low around -3.
  • Saturday Mostly sunny, with a high near 8.
  • Saturday Night Partly cloudy, with a low around -3.
  • Sunday Mostly sunny, with a high near 10.
  • Sunday Night Mostly clear, with a low around 1.
  • Monday Sunny, with a high near 13.
  • Monday Night Mostly clear, with a low around 2.
  • Tuesday Sunny, with a high near 12.