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

37°F

3°C

Humidity 100%
Wind Speed NE 0 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 12 Apr 07:43 AM MDT
Extended Forecast for

5 Miles NE Big Arm MT

  • Today

    Today: A 50 percent chance of showers after noon.  Partly sunny, with a high near 61. Calm wind.

    High: 61 °F

    Mostly Sunny
    then Chance
    Showers

  • Tonight

    Tonight: Showers likely, mainly after 1am.  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.  High near 54. Calm wind becoming south southwest 5 to 7 mph in the afternoon.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers before midnight.  Mostly cloudy, with a low around 44. South southwest wind around 8 mph.

    Low: 44 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon.  Mostly cloudy, with a high near 52. South southwest wind 7 to 11 mph, with gusts as high as 23 mph.

    High: 52 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after midnight.  Mostly cloudy, with a low around 41. Chance of precipitation is 70%.

    Low: 41 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Rain showers before 9am, then rain, possibly mixed with snow showers.  High near 49. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 49 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain before 9pm, then a chance of rain and snow between 9pm and midnight, then a chance of snow after midnight.  Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Thursday

    Thursday: Snow likely, mainly after noon.  Mostly cloudy, with a high near 44.

    High: 44 °F

    Snow Likely

Detailed Forecast

Today
A 50 percent chance of showers after noon. Partly sunny, with a high near 61. Calm wind.
Tonight
Showers likely, mainly after 1am. 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. High near 54. Calm wind becoming south southwest 5 to 7 mph in the afternoon. Chance of precipitation is 80%. 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. South southwest wind around 8 mph.
Tuesday
A 20 percent chance of showers after noon. Mostly cloudy, with a high near 52. South southwest wind 7 to 11 mph, with gusts as high as 23 mph.
Tuesday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.
Wednesday
Rain showers before 9am, then rain, possibly mixed with snow showers. High near 49. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
A chance of rain before 9pm, then a chance of rain and snow between 9pm and midnight, then a chance of snow after midnight. Mostly cloudy, with a low around 33.
Thursday
Snow likely, mainly after noon. Mostly cloudy, with a high near 44.
Thursday Night
Mostly cloudy, with a low around 32.
Friday
A slight chance of rain. Mostly sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Mostly sunny, with a high near 54.
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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 12, 2026
8am MDT Apr 12, 2026-6pm MDT Apr 18, 2026
 
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Additional Resources

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