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.

38°F

3°C

Humidity	99%
Wind Speed	ESE 0 MPH
Barometer	NA
Dewpoint	38°F (3°C)
Visibility	NA
Last update	12 Apr 04:00 AM MDT

More Information:

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

Extended Forecast for

Greenough MT

Today
High: 61 °F
Areas Fog
then Showers
Tonight
Low: 36 °F
Showers and
Patchy Fog
Monday
High: 50 °F
Showers and
Patchy Fog
Monday Night
Low: 34 °F
Slight Chance
Showers then
Mostly Cloudy
Tuesday
High: 52 °F
Mostly Cloudy
Tuesday Night
Low: 33 °F
Slight Chance
Showers then
Chance
Rain/Snow and
Patchy Fog
Wednesday
High: 49 °F
Rain/Snow
Wednesday Night
Low: 25 °F
Rain/Snow
Likely then
Chance Snow
Thursday
High: 41 °F
Snow Likely

Detailed Forecast

Today

A chance of showers, then showers and possibly a thunderstorm after 3pm. Areas of fog before 9am. High near 61. Light north wind. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers. Patchy fog after 10pm. Low around 36. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Monday

Showers. Patchy fog before 10am. High near 50. Calm wind becoming west 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 20 percent chance of showers before midnight. Mostly cloudy, with a low around 34. West wind around 6 mph becoming calm in the evening. Winds could gust as high as 18 mph.

Tuesday

Mostly cloudy, with a high near 52. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 22 mph.

Tuesday Night

A chance of rain showers before 3am, then a chance of rain and snow showers. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 33. Chance of precipitation is 50%. Little or no snow accumulation expected.

Wednesday

Rain, possibly mixed with snow showers. Some thunder is also possible. Snow level 4800 feet. High near 49. Chance of precipitation is 90%. Little or no snow accumulation expected.

Wednesday Night

Rain and snow likely, becoming all snow after 9pm. Mostly cloudy, with a low around 25.

Thursday

Snow likely. Mostly cloudy, with a high near 41.

Thursday Night

A slight chance of snow before midnight. Mostly cloudy, with a low around 21.

Friday

A chance of snow. Partly sunny, with a high near 47.

Friday Night

Partly cloudy, with a low around 22.

Saturday

Mostly sunny, with a high near 52.