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

Bearmouth I-90 MP 145.8 (MTBRM)

Lat: 46.71854°NLon: 113.29534°WElev: 3901.0ft.

37°F

3°C

Humidity	99%
Wind Speed	E 0 MPH
Barometer	NA
Dewpoint	37°F (3°C)
Visibility	NA
Last update	12 Apr 04:15 AM MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

5 Miles SSE Greenough MT

Today
High: 55 °F
Partly Sunny
then Showers
Tonight
Low: 36 °F
Showers then
Rain/Snow
Monday
High: 45 °F
Snow Showers
then
Rain/Snow
Monday Night
Low: 35 °F
Slight Chance
Rain/Snow
then Mostly
Cloudy
Tuesday
High: 48 °F
Mostly Cloudy
Tuesday Night
Low: 35 °F
Slight Chance
Snow Showers
then Chance
Snow Showers
Wednesday
High: 44 °F
Snow Showers
Wednesday Night
Low: 27 °F
Snow Likely
Thursday
High: 37 °F
Snow

Detailed Forecast

Today

Showers likely, then showers and possibly a thunderstorm after 3pm. Snow level 6700 feet rising to 7700 feet in the afternoon. High near 55. Light and variable wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Rain and snow showers, becoming all snow after 3am. Snow level 7600 feet lowering to 5900 feet after midnight . Low around 36. Southeast wind around 6 mph becoming southwest in the evening. Chance of precipitation is 80%. Little or no snow accumulation expected.

Monday

Snow showers before 3pm, then rain, possibly mixed with snow showers. High near 45. West southwest wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Monday Night

A slight chance of rain and snow showers before midnight. Mostly cloudy, with a low around 35. West wind around 9 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

Tuesday

Mostly cloudy, with a high near 48. West wind 8 to 11 mph, with gusts as high as 26 mph.

Tuesday Night

A 50 percent chance of snow showers, mainly after midnight. Mostly cloudy, with a low around 35. Little or no snow accumulation expected.

Wednesday

Snow showers. Some thunder is also possible. High near 44. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Wednesday Night

Snow likely, mainly before midnight. Mostly cloudy, with a low around 27.

Thursday

Snow. Mostly cloudy, with a high near 37.

Thursday Night

A slight chance of snow before midnight. Mostly cloudy, with a low around 23.