National Weather Service United States Department of Commerce

Powerful nor'easter continues to affect areas across Northeast

The powerful nor'easter that brought moderate to heavy snowfall and blizzard conditions to the Northeast on Monday will continue to affect the region on Tuesday, with heavy snow and blizzard conditions expected from eastern Long Island to Maine as the system slowly moves to the northeast. Snow and strong winds will being tapering off from south to north Tuesday night into Wednesday morning.
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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

Tonight

Mostly Cloudy

Mostly
Cloudy

Low: 1 °C

Wednesday

Mostly Sunny

Mostly
Sunny

High: 4 °CFalling Temperatures

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: -5 °C

Thursday

Mostly Sunny

Mostly
Sunny

High: 5 °C

Thursday
Night

Mostly Clear

Mostly
Clear

Low: -6 °C

Friday

Sunny

Sunny

High: 4 °C

Friday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: -6 °C

Saturday

Chance Snow

Chance
Snow

High: -3 °C

Saturday
Night

Slight Chance Snow

Slight Chc
Snow

Low: -11 °C

Detailed Forecast

  • Tonight Mostly cloudy, with a low around 1. Southwest wind 5 to 10 km/h increasing to 11 to 16 km/h after midnight.
  • Wednesday Mostly sunny, with a temperature falling to around -1 by 1pm. West northwest wind 16 to 21 km/h.
  • Wednesday Night Partly cloudy, with a low around -5. West northwest wind 11 to 13 km/h becoming south after midnight.
  • Thursday Mostly sunny, with a high near 5. South wind around 11 km/h.
  • Thursday Night Mostly clear, with a low around -6. South southwest wind around 11 km/h.
  • Friday Sunny, with a high near 4.
  • Friday Night A 20 percent chance of snow. Mostly cloudy, with a low around -6.
  • Saturday A chance of snow. Mostly cloudy, with a high near -3.
  • Saturday Night A slight chance of snow. Mostly cloudy, with a low around -11.
  • Sunday A chance of snow. Mostly cloudy, with a high near -3.
  • Sunday Night A chance of snow. Mostly cloudy, with a low around -12.
  • Monday A chance of snow. Partly sunny, with a high near 0.
  • Monday Night A slight chance of snow. Mostly cloudy, with a low around -10.
  • Tuesday Partly sunny, with a high near -1.