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

18°F

-8°C

Humidity	78%
Wind Speed	N 0 MPH
Barometer	29.89 in (1012.19 mb)
Dewpoint	12°F (-11°C)
Visibility	10.00 mi
Last update	10 Mar 07:35 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

Today
High: 38 °F
Partly Sunny
then Chance
Snow
Tonight
Low: 18 °F
Slight Chance
Snow then
Partly Cloudy
Wednesday
High: 47 °F
Chance Snow
Wednesday Night
Low: 36 °F
Chance
Rain/Snow
then Chance
Rain
Thursday
High: 52 °F
Rain and
Breezy then
Rain/Snow and
Windy
Thursday Night
Low: 35 °F
Rain/Snow and
Breezy
Friday
High: 53 °F
Rain/Snow
Friday Night
Low: 29 °F
Rain/Snow
Saturday
High: 41 °F
Rain/Snow
then Snow
Likely

Detailed Forecast

Today

A 30 percent chance of snow, mainly between 1pm and 5pm. Mostly sunny, with a high near 38. Light and variable wind becoming west 15 to 20 mph in the morning. Winds could gust as high as 32 mph. Total daytime snow accumulation of less than a half inch possible.

Tonight

A 20 percent chance of snow before 10pm. Partly cloudy, with a low around 18. West northwest wind 13 to 18 mph becoming west southwest 6 to 11 mph after midnight. Winds could gust as high as 31 mph.

Wednesday

A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 47. South wind 7 to 12 mph becoming west southwest 16 to 21 mph in the afternoon. Winds could gust as high as 36 mph. New snow accumulation of less than a half inch possible.

Wednesday Night

A chance of rain and snow before midnight, then a chance of rain. Mostly cloudy, with a low around 36. West southwest wind 14 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Thursday

Rain before 3pm, then rain, possibly mixed with snow. High near 52. Windy, with a west southwest wind 23 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 35. Breezy, with a west wind 20 to 25 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 46 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Friday

Rain, possibly mixed with snow. High near 53. West southwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Friday Night

Rain likely before 9pm, then rain and snow. Cloudy, with a low around 29. West wind 8 to 16 mph, with gusts as high as 31 mph.

Saturday

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

Saturday Night

A chance of snow, mainly before midnight. Mostly cloudy, with a low around 16.

Sunday

A slight chance of snow. Mostly cloudy, with a high near 40.

Sunday Night

A chance of snow. Mostly cloudy, with a low around 26.

Monday

A chance of rain and snow. Mostly cloudy, with a high near 55.