Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Southern Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over the Northern Mariana Islands. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes through Tuesday. Heavy snow is expected in the Pacific Northwest. Read More >

Current conditions at

JETTE (JETM8)

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

NA

41°F

5°C

Humidity 87%
Wind Speed ESE 2 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 14 Apr 12:43 AM MDT
Extended Forecast for

5 Miles NE Big Arm MT

  • Overnight

    Overnight: A 20 percent chance of rain before 2am.  Mostly cloudy, with a low around 41. South wind around 7 mph.

    Low: 41 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A slight chance of rain between 4pm and 5pm.  Partly sunny, with a high near 52. Southwest wind 7 to 11 mph, with gusts as high as 24 mph.  Chance of precipitation is 20%.

    High: 52 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 2am.  Cloudy, with a low around 42. South southwest wind 9 to 11 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%.

    Low: 42 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain before 3pm, then showers and possibly a thunderstorm after 3pm.  High near 49. South wind 8 to 10 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 49 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain likely before 9pm, then rain and snow likely between 9pm and midnight, then a chance of snow after midnight.  Mostly cloudy, with a low around 34. South southwest wind around 7 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Thursday

    Thursday: Snow likely.  Mostly cloudy, with a high near 43. Chance of precipitation is 70%. New snow accumulation of less than a half 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 32.

    Low: 32 °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 47.

    High: 47 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of rain before 2am. Mostly cloudy, with a low around 41. South wind around 7 mph.
Tuesday
A slight chance of rain between 4pm and 5pm. Partly sunny, with a high near 52. Southwest wind 7 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Tuesday Night
Rain likely, mainly after 2am. Cloudy, with a low around 42. South southwest wind 9 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Wednesday
Rain before 3pm, then showers and possibly a thunderstorm after 3pm. High near 49. South wind 8 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain likely before 9pm, then rain and snow likely between 9pm and midnight, then a chance of snow after midnight. Mostly cloudy, with a low around 34. South southwest wind around 7 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday
Snow likely. Mostly cloudy, with a high near 43. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 32.
Friday
A chance of snow before 3pm, then a chance of rain and snow. Partly sunny, with a high near 47.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Mostly sunny, with a high near 54.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 43.
Monday
A chance of rain. Partly sunny, with a high near 63.
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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 14, 2026
1am MDT Apr 14, 2026-6pm MDT Apr 20, 2026
 
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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