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.

unknown precip

44°F

7°C

Humidity	78%
Wind Speed	NE 7 MPH
Barometer	NA
Dewpoint	38°F (3°C)
Visibility	NA
Wind Chill	40°F (4°C)
Last update	15 Apr 05:00 PM MDT

More Information:

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

Extended Forecast for

Helmville 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: 53 °F
Showers
Likely
Tonight
Low: 24 °F
Rain/Snow
then Slight
Chance Snow
Thursday
High: 41 °F
Snow Likely
Thursday Night
Low: 24 °F
Chance Snow
Friday
High: 45 °F
Snow Likely
Friday Night
Low: 23 °F
Partly Cloudy
Saturday
High: 56 °F
Sunny
Saturday Night
Low: 28 °F
Partly Cloudy
Sunday
High: 66 °F
Mostly Sunny

Detailed Forecast

This Afternoon

Showers likely and possibly a thunderstorm. Snow level 4800 feet. Mostly cloudy, with a high near 53. West wind around 9 mph. Chance of precipitation is 70%.

Tonight

Rain and snow before midnight, then a slight chance of snow between midnight and 1am. Low around 24. West northwest wind 5 to 9 mph becoming southwest after midnight. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Thursday

Snow likely. Partly sunny, with a high near 41. West wind 5 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. 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 24. Northwest wind 6 to 11 mph becoming light west southwest after midnight. Winds could gust as high as 20 mph. New snow accumulation of less than a half inch possible.

Friday

Snow likely, mainly after noon. Mostly cloudy, with a high near 45. Light west southwest wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Friday Night

Partly cloudy, with a low around 23.

Saturday

Sunny, with a high near 56.

Saturday Night

Partly cloudy, with a low around 28.

Sunday

Mostly sunny, with a high near 66.

Sunday Night

Partly cloudy, with a low around 35.

Monday

Mostly sunny, with a high near 72.