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

Helmville MT-200 MP 53.3 (MTHLM)

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

38°F

3°C

Humidity	69%
Wind Speed	NNE 3 MPH
Barometer	NA
Dewpoint	29°F (-2°C)
Visibility	NA
Last update	15 Apr 08:00 AM MDT

More Information:

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

Extended Forecast for

10 Miles NNE Ovando MT

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

Click here for hazard details and duration

Winter Weather Advisory

Today
High: 33 °F
Snow Showers
Likely then
Snow Showers
Tonight
Low: 17 °F
Snow Showers
then Chance
Snow Showers
Thursday
High: 25 °F
Snow Showers
Thursday Night
Low: 18 °F
Chance Snow
Showers
Friday
High: 29 °F
Snow Showers
Likely
Friday Night
Low: 19 °F
Partly Cloudy
Saturday
High: 38 °F
Sunny
Saturday Night
Low: 24 °F
Partly Cloudy
Sunday
High: 47 °F
Mostly Sunny

Detailed Forecast

Today

Snow showers. Some thunder is also possible. High near 33. Southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.

Tonight

Snow showers before 3am, then a chance of snow showers after 5am. Low around 17. West wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Thursday

Snow showers. High near 25. West wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Thursday Night

A 40 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 18. West southwest wind 8 to 14 mph, with gusts as high as 25 mph. New snow accumulation of less than one inch possible.

Friday

Snow showers likely, mainly after noon. Mostly cloudy, with a high near 29. West wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Friday Night

Partly cloudy, with a low around 19.

Saturday

Sunny, with a high near 38.

Saturday Night

Partly cloudy, with a low around 24.

Sunday

Mostly sunny, with a high near 47.

Sunday Night

Partly cloudy, with a low around 30.

Monday

A slight chance of rain. Snow level rising to 7800 feet in the afternoon. Mostly sunny, with a high near 50.