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

52°F

11°C

Humidity 34%
Wind Speed SE 1 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 10 Apr 10:43 PM MDT
Extended Forecast for

5 Miles NE Big Arm MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. Northeast wind 5 to 8 mph becoming calm  after midnight.

    Low: 45 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain, then showers likely and possibly a thunderstorm after 3pm.  Mostly cloudy, with a high near 60. Calm wind becoming southwest 5 to 9 mph in the morning.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Chance Rain
    then Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly before midnight.  Mostly cloudy, with a low around 45. South southwest wind around 5 mph becoming calm  in the evening.

    Low: 45 °F

    Chance Rain

  • Sunday

    Sunday: A 40 percent chance of rain after noon.  Partly sunny, with a high near 61. Calm wind.

    High: 61 °F

    Partly Sunny
    then Chance
    Rain

  • Sunday Night

    Sunday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 46. Calm wind.  New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Chance Rain

  • Monday

    Monday: Rain likely before noon, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 56. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 56 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 20 percent chance of rain before midnight.  Mostly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain after noon.  Mostly cloudy, with a high near 51.

    High: 51 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday Night

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

    Low: 41 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 45. Northeast wind 5 to 8 mph becoming calm after midnight.
Saturday
A chance of rain, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 60. Calm wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 30 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 45. South southwest wind around 5 mph becoming calm in the evening.
Sunday
A 40 percent chance of rain after noon. Partly sunny, with a high near 61. Calm wind.
Sunday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 46. Calm wind. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain likely before noon, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 56. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 42.
Tuesday
A slight chance of rain 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 and snow. Mostly cloudy, with a high near 49.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 35.
Thursday
A chance of snow. Partly sunny, with a high near 46.
Thursday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 33.
Friday
A chance of rain and snow. Partly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Big Arm MT
 47.85°N 114.2°W (Elev. 2995 ft)
2:00 pm MDT Apr 10, 2026
11pm MDT Apr 10, 2026-6pm MDT Apr 17, 2026
 
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Additional Resources

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