Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Current conditions at

Lewistown Divide MT-200 MP 90.3 (MTLEW)

Lat: 47.07579°NLon: 109.26247°WElev: 4723.0ft.

NA

50°F

10°C

Humidity 52%
Wind Speed ESE 7 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Wind Chill47°F (8°C)
Last update 16 Nov 11:00 AM MST
Extended Forecast for

9 Miles ENE Lewistown MT

  • Today

    Today: Mostly cloudy, with a high near 51. Southeast wind 6 to 8 mph.

    High: 51 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. South southeast wind 6 to 8 mph becoming west southwest after midnight.

    Low: 39 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 49. West northwest wind 3 to 5 mph.

    High: 49 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of rain.  Mostly cloudy, with a low around 35. West wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 35 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A slight chance of rain and snow before 11am.  Partly sunny, with a high near 40. West wind 5 to 9 mph.  Chance of precipitation is 20%.

    High: 40 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow before 10pm, then a slight chance of rain between 10pm and 4am, then a slight chance of rain and snow after 4am.  Mostly cloudy, with a low around 33. East wind 5 to 7 mph becoming south southwest after midnight.  Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain and snow before 4pm, then a slight chance of snow.  Partly sunny, with a high near 36. West wind around 8 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 36 °F

    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27. Northwest wind around 7 mph becoming south southwest after midnight.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 51. Southeast wind 6 to 8 mph.
Tonight
Mostly cloudy, with a low around 39. South southeast wind 6 to 8 mph becoming west southwest after midnight.
Monday
Partly sunny, with a high near 49. West northwest wind 3 to 5 mph.
Monday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 35. West wind 5 to 10 mph, with gusts as high as 18 mph.
Tuesday
A slight chance of rain and snow before 11am. Partly sunny, with a high near 40. West wind 5 to 9 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of rain and snow before 10pm, then a slight chance of rain between 10pm and 4am, then a slight chance of rain and snow after 4am. Mostly cloudy, with a low around 33. East wind 5 to 7 mph becoming south southwest after midnight. Chance of precipitation is 20%.
Wednesday
A chance of rain and snow before 4pm, then a slight chance of snow. Partly sunny, with a high near 36. West wind around 8 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday Night
Partly cloudy, with a low around 27. Northwest wind around 7 mph becoming south southwest after midnight.
Thursday
Mostly sunny, with a high near 38.
Thursday Night
Partly cloudy, with a low around 28.
Friday
Sunny, with a high near 43.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Mostly sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Lewistown MT
 47.1°N 109.25°W (Elev. 5325 ft)
8:42 am MST Nov 16, 2025
11am MST Nov 16, 2025-6pm MST Nov 22, 2025
 
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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