Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

JETTE (JETM8)

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

NA

48°F

9°C

Humidity 95%
Wind Speed WSW 0 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 11 Apr 10:43 AM MDT
Extended Forecast for

5 Miles NE Big Arm MT

  • Today

    Today: A chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm.  Mostly cloudy, with a high near 59. Light and variable wind.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 59 °F

    Showers
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before midnight.  Partly cloudy, with a low around 45. Light south wind.

    Low: 45 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers after noon.  Partly sunny, with a high near 60. Calm wind.

    High: 60 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly after midnight.  Mostly cloudy, with a low around 45. Calm wind.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely.  Mostly cloudy, with a high near 53. Calm wind becoming southwest 5 to 7 mph in the afternoon.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers before midnight.  Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon.  Mostly cloudy, with a high near 51.

    High: 51 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of rain, mainly after midnight.  Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain before 9am, then rain and snow.  Mostly cloudy, with a high near 48.

    High: 48 °F

    Rain/Snow

Detailed Forecast

Today
A chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 59. Light and variable wind. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers, mainly before midnight. Partly cloudy, with a low around 45. Light south wind.
Sunday
A 30 percent chance of showers after noon. Partly sunny, with a high near 60. Calm wind.
Sunday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 45. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers likely. Mostly cloudy, with a high near 53. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 44.
Tuesday
A 20 percent chance of showers after noon. Mostly cloudy, with a high near 51.
Tuesday Night
A chance of rain, mainly after midnight. Mostly cloudy, with a low around 41.
Wednesday
Rain before 9am, then rain and snow. Mostly cloudy, with a high near 48.
Wednesday Night
A chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 34.
Thursday
A chance of snow. Partly sunny, with a high near 46.
Thursday Night
A slight chance of rain and snow. Partly cloudy, with a low around 34.
Friday
A slight chance of rain and snow. Partly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Big Arm MT
 47.85°N 114.2°W (Elev. 2995 ft)
2:01 am MDT Apr 11, 2026
11am MDT Apr 11, 2026-6pm MDT Apr 17, 2026
 
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Additional Resources

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