Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from April 15, 06:00 PM MDT until April 16, 09:00 AM MDT

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

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

unknown precip

51°F

11°C

Humidity	52%
Wind Speed	W 5 MPH
Barometer	NA
Dewpoint	34°F (1°C)
Visibility	NA
Last update	15 Apr 02:00 PM MDT

More Information:

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

Extended Forecast for

Greenough MT

Winter Weather Advisory April 15, 06:00pm until April 16, 09:00am

Click here for hazard details and duration

Winter Weather Advisory

This Afternoon
High: 51 °F
Showers
Tonight
Low: 22 °F
Rain/Snow
then Partly
Cloudy
Thursday
High: 40 °F
Chance Snow
then Snow
Showers
Likely
Thursday Night
Low: 23 °F
Chance Snow
Friday
High: 45 °F
Snow Likely
and Patchy
Fog
Friday Night
Low: 20 °F
Partly Cloudy
then Patchy
Fog
Saturday
High: 56 °F
Areas Fog
then Mostly
Sunny
Saturday Night
Low: 26 °F
Partly Cloudy
Sunday
High: 66 °F
Mostly Sunny

Detailed Forecast

This Afternoon

Rain likely, then showers and possibly a thunderstorm after 3pm. Snow level 5100 feet lowering to 4300 feet. High near 51. West southwest wind around 7 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Rain, possibly mixed with snow before 8pm, then a chance of snow between 8pm and 9pm. Low around 22. West wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 80%. Little or no snow accumulation expected.

Thursday

A chance of snow before noon, then snow showers likely between noon and 3pm, then snow likely after 3pm. Some thunder is also possible. Partly sunny, with a high near 40. Calm wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Thursday Night

A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 23. Northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 20 mph. New snow accumulation of less than a half inch possible.

Friday

Snow likely, mainly after noon. Patchy fog before 8am. Otherwise, partly sunny, with a high near 45. Calm wind becoming west northwest 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Friday Night

Patchy fog after 2am. Otherwise, mostly clear, with a low around 20.

Saturday

Areas of fog before 8am. Otherwise, sunny, with a high near 56.

Saturday Night

Partly cloudy, with a low around 26.

Sunday

Mostly sunny, with a high near 66.

Sunday Night

Partly cloudy, with a low around 32.

Monday

Mostly sunny, with a high near 72.