Severe Thunderstorm, Flooding, and Winter Weather Threats on Tuesday

Scattered severe thunderstorms are forecast Tuesday from the southern Plains into the southern Great Lakes vicinity. Thunderstorms may also produce heavy to excessive rain that could pose a flooding threat from central Texas into southern Oklahoma and northern Missouri into southern Michigan. A heavy wintry mix is forecast for the Great Lakes into northern Maine. Read More >

Hazardous Weather Conditions

High Wind Watch in effect from March 11, 06:00 PM MDT until March 12, 06:00 PM MDT

Current conditions at

HELENA (HRWM8)

Lat: 46.73167°NLon: 112.01917°WElev: 3800.0ft.

27°F

-3°C

Humidity	51%
Wind Speed	NNW 5 MPH
Barometer	NA
Dewpoint	11°F (-12°C)
Visibility	NA
Wind Chill	21°F (-6°C)
Last update	09 Mar 11:53 PM MDT

More Information:

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

Extended Forecast for

7 Miles SSE Marysville MT

High Wind Watch March 11, 06:00pm until March 12, 06:00pm

Click here for hazard details and duration

High Wind Watch

Overnight
Low: 21 °F
Mostly Clear
Tuesday
High: 31 °F
Chance Snow
and Breezy
Tuesday Night
Low: 19 °F
Slight Chance
Snow then
Mostly Clear
Wednesday
High: 39 °F
Chance Snow
and Breezy
Wednesday Night
Low: 36 °F
Chance Snow
and Breezy
then
Rain/Snow and
Windy
Thursday
High: 43 °F
Rain/Snow and
Windy
Thursday Night
Low: 36 °F
Snow and
Windy then
Rain/Snow
Friday
High: 45 °F
Rain/Snow and
Breezy
Friday Night
Low: 30 °F
Rain and
Breezy then
Rain/Snow

Detailed Forecast

Overnight

Mostly clear, with a low around 21. West wind 3 to 6 mph.

Tuesday

A 40 percent chance of snow, mainly after 2pm. Mostly sunny, with a high near 31. Breezy, with a west wind 5 to 10 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 39 mph. New snow accumulation of less than a half inch possible.

Tuesday Night

A 20 percent chance of snow before 10pm. Mostly clear, with a low around 19. West southwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 38 mph.

Wednesday

A 50 percent chance of snow. Partly sunny, with a high near 39. Breezy, with a west southwest wind 13 to 18 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 47 mph. New snow accumulation of less than a half inch possible.

Wednesday Night

Snow before 3am, then rain and snow. Low around 36. Windy, with a west southwest wind 24 to 33 mph, with gusts as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Thursday

Rain, possibly mixed with snow, becoming all snow after 3pm. High near 43. Windy, with a west southwest wind 36 to 40 mph, with gusts as high as 70 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Thursday Night

Snow before 3am, then rain and snow. Low around 36. Windy, with a west wind 28 to 33 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 60 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Friday

Rain, possibly mixed with snow. Cloudy, with a high near 45. Breezy, with a west southwest wind 17 to 23 mph, with gusts as high as 44 mph.

Friday Night

Rain before midnight, then rain and snow. Cloudy, with a low around 30. Breezy.

Saturday

Snow. Cloudy, with a high near 36. Breezy.

Saturday Night

Snow likely. Mostly cloudy, with a low around 18.

Sunday

A chance of snow. Mostly cloudy, with a high near 33.

Sunday Night

A chance of snow. Mostly cloudy, with a low around 28.