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

27°F

-3°C

Humidity	58%
Wind Speed	E 3 MPH
Barometer	29.86 in (1011.18 mb)
Dewpoint	14°F (-10°C)
Visibility	10.00 mi
Last update	10 Mar 03:20 AM MDT

More Information:

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

Extended Forecast for

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: 24 °F
Partly Cloudy
Tuesday
High: 37 °F
Mostly Sunny
then Chance
Snow
Tuesday Night
Low: 19 °F
Slight Chance
Snow then
Mostly Clear
Wednesday
High: 45 °F
Chance Snow
Wednesday Night
Low: 37 °F
Rain/Snow
Likely and
Breezy
Thursday
High: 51 °F
Rain and
Breezy then
Rain/Snow and
Windy
Thursday Night
Low: 37 °F
Rain/Snow and
Breezy
Friday
High: 52 °F
Rain/Snow
Friday Night
Low: 31 °F
Rain Likely
then
Rain/Snow

Detailed Forecast

Overnight

Partly cloudy, with a steady temperature around 24. Calm wind.

Tuesday

A 30 percent chance of snow, mainly between 1pm and 5pm. Mostly sunny, with a high near 37. Light and variable wind becoming west northwest 15 to 20 mph in the morning. 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. Mostly clear, with a low around 19. West wind 13 to 18 mph becoming west southwest 7 to 12 mph after midnight. Winds could gust as high as 34 mph.

Wednesday

A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 45. West southwest wind 9 to 14 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

Rain likely, possibly mixed with snow, becoming all rain after 3am. Mostly cloudy, with a low around 37. Breezy, with a west southwest wind 15 to 23 mph, with gusts as high as 44 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Thursday

Rain before 3pm, then rain, possibly mixed with snow. High near 51. Windy, with a west southwest wind 25 to 33 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Thursday Night

Rain, possibly mixed with snow. Low around 37. Breezy, with a west wind 21 to 26 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Friday

Rain, possibly mixed with snow. Mostly cloudy, with a high near 52. West wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 34 mph.

Friday Night

Rain likely before midnight, then rain and snow. Cloudy, with a low around 31.

Saturday

Rain and snow, becoming all snow after 9am. Mostly cloudy, with a high near 41.

Saturday Night

A chance of snow. Mostly cloudy, with a low around 17.

Sunday

A slight chance of snow. Mostly cloudy, with a high near 39.

Sunday Night

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

Monday

A chance of rain and snow. Mostly cloudy, with a high near 54.