Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

JETTE (JETM8)

Lat: 47.76706°NLon: 114.23378°WElev: 3593.0ft.

NA

39°F

4°C

Humidity 65%
Wind Speed S 2 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 14 Apr 11:43 PM MDT
Extended Forecast for

5 Miles NE Big Arm MT

  • Overnight

    Overnight: Rain likely, mainly after 5am.  Cloudy, with a low around 42. South wind around 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%.

    Low: 42 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain before noon, then showers and possibly a thunderstorm, mainly after noon.  High near 48. South wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 18 mph.  Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 48 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain and snow likely before 1am, then a chance of snow after 3am.  Mostly cloudy, with a low around 33. Southwest wind around 7 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Thursday

    Thursday: Snow likely.  Mostly cloudy, with a high near 43. West southwest wind around 6 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 43 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before midnight.  Mostly cloudy, with a low around 33. South southwest wind 3 to 6 mph.

    Low: 33 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Friday

    Friday: A chance of snow before 3pm, then a chance of rain and snow.  Partly sunny, with a high near 48. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 48 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain likely, mainly after 5am. Cloudy, with a low around 42. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Wednesday
Rain before noon, then showers and possibly a thunderstorm, mainly after noon. High near 48. South wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain and snow likely before 1am, then a chance of snow after 3am. Mostly cloudy, with a low around 33. Southwest wind around 7 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
Snow likely. Mostly cloudy, with a high near 43. West southwest wind around 6 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Thursday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 33. South southwest wind 3 to 6 mph.
Friday
A chance of snow before 3pm, then a chance of rain and snow. Partly sunny, with a high near 48. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 31.
Saturday
Mostly sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Big Arm MT
 47.85°N 114.2°W (Elev. 2995 ft)
12:22 am MDT Apr 15, 2026
12am MDT Apr 15, 2026-6pm MDT Apr 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database