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

Helmville MT-200 MP 53.3 (MTHLM)

Lat: 46.96826°NLon: 112.97487°WElev: 4199.0ft.

NA

35°F

2°C

Humidity 99%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 12 Apr 05:00 AM MDT
Extended Forecast for

10 Miles NNE Ovando MT

  • Today

    Today: Rain likely, possibly mixed with snow showers, mainly after 3pm.  Snow level rising to 7600 feet in the afternoon. Partly sunny, with a high near 44. West southwest wind 6 to 9 mph becoming east in the afternoon.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 44 °F

    Partly Sunny
    then
    Rain/Snow
    Likely

  • Tonight

    Tonight: Rain and snow showers, becoming all snow after 9pm. The snow could be heavy at times.  Low around 31. East wind 7 to 9 mph becoming west southwest after midnight.  Chance of precipitation is 80%. New snow accumulation of 4 to 6 inches possible.

    Low: 31 °F

    Rain/Snow
    then Heavy
    Snow

  • Monday

    Monday: Snow showers.  High near 35. West southwest wind 8 to 11 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 35 °F

    Snow Showers

  • Monday Night

    Monday Night: A 30 percent chance of snow showers before midnight.  Mostly cloudy, with a low around 29. West southwest wind around 14 mph, with gusts as high as 24 mph.  Little or no snow accumulation expected.

    Low: 29 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow showers before noon.  Mostly cloudy, with a high near 36. West southwest wind 13 to 18 mph, with gusts as high as 33 mph.

    High: 36 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow showers, mainly after midnight.  Mostly cloudy, with a low around 29. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: Snow showers.  High near 34. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 34 °F

    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before midnight.  Mostly cloudy, with a low around 21.

    Low: 21 °F

    Snow Likely

  • Thursday

    Thursday: Snow.  Cloudy, with a high near 27.

    High: 27 °F

    Snow

Detailed Forecast

Today
Rain likely, possibly mixed with snow showers, mainly after 3pm. Snow level rising to 7600 feet in the afternoon. Partly sunny, with a high near 44. West southwest wind 6 to 9 mph becoming east in the afternoon. Chance of precipitation is 70%. Little or no snow accumulation expected.
Tonight
Rain and snow showers, becoming all snow after 9pm. The snow could be heavy at times. Low around 31. East wind 7 to 9 mph becoming west southwest after midnight. Chance of precipitation is 80%. New snow accumulation of 4 to 6 inches possible.
Monday
Snow showers. High near 35. West southwest wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Monday Night
A 30 percent chance of snow showers before midnight. Mostly cloudy, with a low around 29. West southwest wind around 14 mph, with gusts as high as 24 mph. Little or no snow accumulation expected.
Tuesday
A 20 percent chance of snow showers before noon. Mostly cloudy, with a high near 36. West southwest wind 13 to 18 mph, with gusts as high as 33 mph.
Tuesday Night
A 40 percent chance of snow showers, mainly after midnight. Mostly cloudy, with a low around 29. New snow accumulation of less than one inch possible.
Wednesday
Snow showers. High near 34. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 21.
Thursday
Snow. Cloudy, with a high near 27.
Thursday Night
A chance of snow before midnight. Mostly cloudy, with a low around 18.
Friday
A chance of snow. Partly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 20.
Saturday
A slight chance of snow. Mostly sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNE Ovando MT
 47.17°N 113.09°W (Elev. 7034 ft)
2:01 am MDT Apr 12, 2026
5am MDT Apr 12, 2026-6pm MDT Apr 18, 2026
 
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Additional Resources

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