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 Regional Airport (KHLN)

Lat: 46.60445°NLon: 111.9892°WElev: 3874.0ft.

Clear

29°F

-2°C

Humidity	50%
Wind Speed	W 10 MPH
Barometer	29.89 in (1012.19 mb)
Dewpoint	13°F (-11°C)
Visibility	10.00 mi
Wind Chill	20°F (-7°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

5 Miles SW Helena 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
Partly Cloudy
Tuesday
High: 31 °F
Chance Snow
Tuesday Night
Low: 20 °F
Slight Chance
Snow then
Partly Cloudy
Wednesday
High: 39 °F
Chance Snow
Wednesday Night
Low: 37 °F
Snow Likely
and Breezy
Thursday
High: 44 °F
Rain/Snow and
Breezy then
Snow and
Windy
Thursday Night
Low: 36 °F
Snow and
Breezy
Friday
High: 45 °F
Snow then
Rain/Snow
Likely
Friday Night
Low: 30 °F
Rain/Snow

Detailed Forecast

Overnight

Partly cloudy, with a low around 21. West wind 3 to 6 mph.

Tuesday

A 40 percent chance of snow, mainly between 9am and 5pm. Mostly sunny, with a high near 31. West wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 34 mph. New snow accumulation of less than a half inch possible.

Tuesday Night

A 20 percent chance of snow before 10pm. Partly cloudy, with a low around 20. West wind 8 to 18 mph, with gusts as high as 34 mph.

Wednesday

A 40 percent chance of snow, mainly after noon. Partly sunny, with a high near 39. West southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 38 mph. New snow accumulation of less than a half inch possible.

Wednesday Night

Snow likely, mainly after midnight. Mostly cloudy, with a low around 37. Breezy, with a west southwest wind 17 to 24 mph, with gusts as high as 47 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Thursday

Snow before 9am, then rain and snow between 9am and noon, then snow after noon. High near 44. Windy, with a west southwest wind 25 to 31 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Thursday Night

Snow. Low around 36. Breezy, with a west wind 21 to 26 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Friday

Snow before noon, then rain and snow likely. Cloudy, with a high near 45. West southwest wind 10 to 20 mph, with gusts as high as 37 mph.

Friday Night

Rain and snow, becoming all snow after 3am. Cloudy, with a low around 30.

Saturday

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

Saturday Night

A chance of snow. Mostly cloudy, with a low around 18.

Sunday

A chance of snow. Mostly cloudy, with a high near 34.

Sunday Night

A chance of snow. Mostly cloudy, with a low around 29.