National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

An Unsettled Weekend For The West

A large and strong Pacific storm system will impact a good portion of the West this weekend. Heavy rain, widespread mountain snow, gusty winds and a variety of marine related hazards are likely. The heavy rain threat may result in some flash flooding today and Saturday across north-central portions of California and southwestern Oregon, especially near recent and vulnerable burn scar areas. Read More >

Hazardous Weather Conditions

Current conditions at

USCRN SITE NEAR LEWISTOWN 42WSW (JRWM8)

Lat: 46.88472°NLon: 110.28944°WElev: 5045ft.

NA

5°C

41°F

Humidity 45%
Wind Speed NA NA MPH
Barometer 1023.71 mb
Dewpoint -7°C (21°F)
Visibility NA
Last update 06 Dec 02:00 PM MST
Extended Forecast for

7 Miles SW Windham MT

Winter Weather Advisory December 7, 09:00pm until December 8, 06:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Cloudy, with a low around 1. Southwest wind around 27 km/h, with gusts as high as 40 km/h.

    Cloudy

    Low: 1 °C

  • Saturday

    Saturday: A slight chance of rain and snow after 5pm. Partly sunny, with a high near 7. Southwest wind 27 to 32 km/h, with gusts as high as 47 km/h. Chance of precipitation is 10%.

    Partly Sunny
    then Slight
    Chance
    Rain/Snow

    High: 7 °C

  • Saturday
    Night

    Saturday Night: A 50 percent chance of snow. Mostly cloudy, with a low around -7. West southwest wind 14 to 24 km/h, with gusts as high as 35 km/h. New snow accumulation of less than a half centimeter possible.

    Chance Snow

    Low: -7 °C

  • Sunday

    Sunday: Snow. High near -5. North northwest wind 14 to 21 km/h. Chance of precipitation is 90%. New snow accumulation of 3 to 5 centimeters possible.

    Snow then
    Snow Likely

    High: -5 °C

  • Sunday
    Night

    Sunday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around -12. North northwest wind 11 to 18 km/h becoming west southwest after midnight.

    Slight Chance
    Snow then
    Mostly Cloudy

    Low: -12 °C

  • Monday

    Monday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near -2.

    Partly Sunny
    then Slight
    Chance Snow

    High: -2 °C

  • Monday
    Night

    Monday Night: A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around -9. New snow accumulation of less than a half centimeter possible.

    Chance Snow

    Low: -9 °C

  • Tuesday

    Tuesday: Mostly cloudy, with a high near -1.

    Mostly Cloudy

    High: -1 °C

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around -7.

    Mostly Cloudy

    Low: -7 °C

Detailed Forecast

Tonight
Cloudy, with a low around 1. Southwest wind around 27 km/h, with gusts as high as 40 km/h.
Saturday
A slight chance of rain and snow after 5pm. Partly sunny, with a high near 7. Southwest wind 27 to 32 km/h, with gusts as high as 47 km/h. Chance of precipitation is 10%.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around -7. West southwest wind 14 to 24 km/h, with gusts as high as 35 km/h. New snow accumulation of less than a half centimeter possible.
Sunday
Snow. High near -5. North northwest wind 14 to 21 km/h. Chance of precipitation is 90%. New snow accumulation of 3 to 5 centimeters possible.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around -12. North northwest wind 11 to 18 km/h becoming west southwest after midnight.
Monday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near -2.
Monday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around -9. New snow accumulation of less than a half centimeter possible.
Tuesday
Mostly cloudy, with a high near -1.
Tuesday Night
Mostly cloudy, with a low around -7.
Wednesday
Partly sunny, with a high near 1.
Wednesday Night
Mostly cloudy, with a low around -7.
Thursday
Partly sunny, with a high near 3.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around -4. Breezy.
Friday
A chance of snow. Partly sunny, with a high near 2.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
7 Miles SW Windham MT
 47°N 110.26°W (Elev. 1638 m)
Last Update:
9:27 am MST Dec 6, 2019
Forecast Valid:
3pm MST Dec 6, 2019-6pm MST Dec 13, 2019
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation