Severe Thunderstorms and Heavy Rainfall from the Lower Mississippi Valley to the Mid-Atlantic; Active Pattern Continues in Hawaii

Scattered severe thunderstorms are expected today from the ArkLaTex and Lower Mississippi Valley through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat today from east Texas into New York. A powerful kona storm will continue to impact Hawaii through Saturday, bringing heavy rainfall, strong winds, and severe thunderstorms. Read More >

Hazardous Weather Conditions

Winter Storm Warning in effect from March 12, 12:00 AM MDT until March 14, 12:00 PM MDT

Current conditions at

Helmville MT-200 MP 53.3 (MTHLM)

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

unknown precip

33°F

1°C

Humidity	69%
Wind Speed	NE 4 MPH
Barometer	NA
Dewpoint	24°F (-4°C)
Visibility	NA
Wind Chill	29°F (-2°C)
Last update	11 Mar 04:00 PM MDT

More Information:

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

Extended Forecast for

10 Miles NNE Ovando MT

Winter Storm Warning March 12, 12:00am until March 14, 12:00pm

Click here for hazard details and duration

Winter Storm Warning

This Afternoon
High: 27 °F
Heavy Snow
Tonight
Low: 22 °F
Heavy Snow
and Blowing
Snow
Thursday
High: 29 °F
Heavy Snow
and Blowing
Snow
Thursday Night
Low: 20 °F
Heavy Snow
and Blowing
Snow
Friday
High: 25 °F
Heavy Snow
Friday Night
Low: 21 °F
Heavy Snow
Saturday
High: 25 °F
Heavy Snow
Saturday Night
Low: 6 °F
Snow
Sunday
High: 22 °F
Chance Snow

Detailed Forecast

This Afternoon

Snow. The snow could be heavy at times. High near 27. West southwest wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 4 to 8 inches possible.

Tonight

Snow. The snow could be heavy at times. Widespread blowing snow after midnight. Low around 22. Windy, with a west southwest wind 14 to 24 mph increasing to 27 to 37 mph. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.

Thursday

Snow. The snow could be heavy at times. Widespread blowing snow. High near 29. Windy, with a west wind 31 to 39 mph, with gusts as high as 65 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.

Thursday Night

Snow. The snow could be heavy at times. Widespread blowing snow, mainly before 9pm. Low around 20. Breezy, with a west wind 15 to 22 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

Friday

Snow. The snow could be heavy at times. High near 25. West wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

Friday Night

Snow. The snow could be heavy at times. Low around 21. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.

Saturday

Snow. The snow could be heavy at times. High near 25. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

Saturday Night

Snow, mainly before midnight. Mostly cloudy, with a low around 6.

Sunday

A chance of snow, mainly after noon. Mostly cloudy, with a high near 22.

Sunday Night

Snow likely, mainly after midnight. Mostly cloudy, with a low around 19.

Monday

Rain and snow. Cloudy, with a high near 34.