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.

Partly Cloudy

30°F

-1°C

Humidity	46%
Wind Speed	WNW 14 MPH
Barometer	29.89 in (1012.19 mb)
Dewpoint	12°F (-11°C)
Visibility	10.00 mi
Wind Chill	19°F (-7°C)
Last update	09 Mar 11:35 PM MDT

More Information:

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

Extended Forecast for

2 Miles SSE 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: 22 °F
Partly Cloudy
Tuesday
High: 33 °F
Mostly Sunny
then Chance
Snow and
Breezy
Tuesday Night
Low: 21 °F
Slight Chance
Snow and
Breezy then
Mostly Clear
Wednesday
High: 41 °F
Chance Snow
and Breezy
Wednesday Night
Low: 37 °F
Snow Likely
and Windy
Thursday
High: 46 °F
Rain/Snow and
Windy
Thursday Night
Low: 37 °F
Snow and
Windy
Friday
High: 47 °F
Snow then
Rain/Snow
Likely
Friday Night
Low: 30 °F
Rain/Snow and
Breezy

Detailed Forecast

Overnight

Partly cloudy, with a low around 22. West southwest wind 5 to 8 mph.

Tuesday

A 30 percent chance of snow, mainly between 1pm and 5pm. Mostly sunny, with a high near 33. Breezy, with a west wind 5 to 10 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 36 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 21. Breezy, with a southwest wind 18 to 23 mph decreasing to 11 to 16 mph in the evening. Winds could gust as high as 36 mph.

Wednesday

A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 41. Breezy, with a southwest wind 14 to 22 mph, with gusts 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. Windy, with a west southwest wind 24 to 31 mph, with gusts as high as 48 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Thursday

Rain, possibly mixed with snow, becoming all snow after 3pm. High near 46. Windy, with a west southwest wind 33 to 38 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Thursday Night

Snow. Low around 37. Windy, with a west wind 27 to 32 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Friday

Snow before noon, then rain and snow likely. Mostly cloudy, with a high near 47. West wind 14 to 21 mph, with gusts as high as 36 mph.

Friday Night

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

Saturday

Snow. Mostly cloudy, with a high near 37. Breezy.

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 35.

Sunday Night

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