National Weather Service United States Department of Commerce

Powerful snowstorm, including blizzard conditions, forecast in parts of the Northeast Monday into Tuesday

The clipper system bringing snow to the Ohio Valley and mid-Atlantic Sunday and Monday will transition to a strong nor'easter Monday into Tuesday. Heavy snow and strong wind, even blizzard conditions, are possible in parts of the northern mid-Atlantic and New England. A Blizzard Watch is in effect from coastal New Jersey to Massachusetts. Winter Storm Watches stretch from Delaware to Maine.
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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

This
Afternoon

Breezy

Breezy

High: 14 °C

Tonight

Partly Cloudy

Partly
Cloudy

Low: 5 °C

Monday

Mostly Sunny

Mostly
Sunny

High: 17 °C

Monday
Night

Mostly Clear

Mostly
Clear

Low: 1 °C

Tuesday

Sunny

Sunny

High: 14 °C

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 0 °C

Wednesday

Mostly Sunny

Mostly
Sunny

High: 6 °C

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: -5 °C

Thursday

Mostly Sunny

Mostly
Sunny

High: 5 °C

Detailed Forecast

  • This Afternoon Mostly sunny, with a high near 14. Breezy, with a west southwest wind around 39 km/h, with gusts as high as 55 km/h.
  • Tonight Partly cloudy, with a low around 5. West southwest wind 29 to 34 km/h, with gusts as high as 47 km/h.
  • Monday Mostly sunny, with a high near 17. West southwest wind 18 to 27 km/h, with gusts as high as 39 km/h.
  • Monday Night Mostly clear, with a low around 1. Southwest wind around 16 km/h.
  • Tuesday Sunny, with a high near 14. Southwest wind 14 to 16 km/h.
  • Tuesday Night Partly cloudy, with a low around 0.
  • Wednesday Mostly sunny, with a high near 6.
  • Wednesday Night Partly cloudy, with a low around -5.
  • Thursday Mostly sunny, with a high near 5.
  • Thursday Night Partly cloudy, with a low around -8.
  • Friday Partly sunny, with a high near 2.
  • Friday Night A slight chance of snow showers. Mostly cloudy, with a low around -8.
  • Saturday Partly sunny, with a high near 3.