Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

ZORTMAN BLM (ALDM8)

Lat: 47.91189°NLon: 108.50389°WElev: 3980.0ft.

NA

31°F

-1°C

Humidity 62%
Wind Speed NW 14 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Wind Chill21°F (-6°C)
Last update 20 Jan 01:32 AM MST
Extended Forecast for

Zortman MT

  • Overnight

    Overnight: A slight chance of snow before 4am, then a chance of snow after 5am.  Patchy blowing snow after 5am. Cloudy, with a low around 24. West northwest wind 10 to 16 mph, with gusts as high as 32 mph.  Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Tuesday

    Tuesday: A 50 percent chance of snow before 10am.  Widespread blowing snow, mainly between 8am and 10am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 20 by 5pm. Windy, with a northwest wind 25 to 32 mph, with gusts as high as 48 mph.  New snow accumulation of less than one inch possible.

    High: 29 °F

    Chance Snow
    and Blowing
    Snow

  • Tuesday Night

    Tuesday Night: Widespread blowing snow, mainly after 5am. Increasing clouds, with a low around 15. Wind chill values between -5 and 5. Windy, with a west northwest wind 21 to 26 mph increasing to 29 to 34 mph after midnight. Winds could gust as high as 55 mph.

    Low: 15 °F

    Blowing Snow
    and Windy

  • Wednesday

    Wednesday: Widespread blowing snow, mainly before 8am. Mostly cloudy through mid morning, then gradual clearing, with a high near 24. Wind chill values between -5 and 5. Very windy, with a northwest wind 35 to 40 mph decreasing to 23 to 28 mph in the afternoon. Winds could gust as high as 55 mph.

    High: 24 °F

    Blowing Snow
    and Very
    Windy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 9. West northwest wind 13 to 15 mph, with gusts as high as 28 mph.

    Low: 9 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 15. North northwest wind 11 to 14 mph, with gusts as high as 20 mph.

    High: 15 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -3. North wind 8 to 10 mph becoming east after midnight.

    Low: -3 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 13. East wind around 8 mph becoming west southwest in the afternoon.

    High: 13 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 3. Southwest wind around 8 mph.

    Low: 3 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of snow before 4am, then a chance of snow after 5am. Patchy blowing snow after 5am. Cloudy, with a low around 24. West northwest wind 10 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
A 50 percent chance of snow before 10am. Widespread blowing snow, mainly between 8am and 10am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 20 by 5pm. Windy, with a northwest wind 25 to 32 mph, with gusts as high as 48 mph. New snow accumulation of less than one inch possible.
Tuesday Night
Widespread blowing snow, mainly after 5am. Increasing clouds, with a low around 15. Wind chill values between -5 and 5. Windy, with a west northwest wind 21 to 26 mph increasing to 29 to 34 mph after midnight. Winds could gust as high as 55 mph.
Wednesday
Widespread blowing snow, mainly before 8am. Mostly cloudy through mid morning, then gradual clearing, with a high near 24. Wind chill values between -5 and 5. Very windy, with a northwest wind 35 to 40 mph decreasing to 23 to 28 mph in the afternoon. Winds could gust as high as 55 mph.
Wednesday Night
Partly cloudy, with a low around 9. West northwest wind 13 to 15 mph, with gusts as high as 28 mph.
Thursday
Mostly cloudy, with a high near 15. North northwest wind 11 to 14 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around -3. North wind 8 to 10 mph becoming east after midnight.
Friday
Mostly sunny, with a high near 13. East wind around 8 mph becoming west southwest in the afternoon.
Friday Night
Partly cloudy, with a low around 3. Southwest wind around 8 mph.
Saturday
Sunny, with a high near 26. West northwest wind 8 to 10 mph.
Saturday Night
Partly cloudy, with a low around 13. West wind around 10 mph.
Sunday
A slight chance of snow. Mostly sunny, with a high near 35.
Sunday Night
Mostly cloudy, with a low around 20.
Monday
A slight chance of snow. Partly sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
Zortman MT
 47.91°N 108.53°W (Elev. 4134 ft)
1:32 pm MST Jan 19, 2026
1am MST Jan 20, 2026-6pm MST Jan 26, 2026
 
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Additional Resources

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