Hazardous Spring Weather Shifts to the Eastern and Northwest U.S. Wednesday

Isolated to scattered severe thunderstorms are expected Wednesday from the ArkLaTex and Lower Mississippi Valley northeastward through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat from east Texas into Upstate New York. A moderate atmospheric river will bring heavy snow and high winds to the Northwest U.S. Read More >

Hazardous Weather Conditions

High Wind Warning in effect from March 12, 12:00 AM 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

28°F

-2°C

Humidity	42%
Wind Speed	W 11 MPH
Barometer	30.2 in (1022.69 mb)
Dewpoint	8°F (-13°C)
Visibility	10.00 mi
Wind Chill	18°F (-8°C)
Last update	11 Mar 02:53 AM MDT

More Information:

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

Extended Forecast for

Helena MT

High Wind Warning March 12, 12:00am until March 12, 06:00pm

Click here for hazard details and duration

High Wind Warning

Overnight
Low: 19 °F
Partly Cloudy
Wednesday
High: 46 °F
Mostly Sunny
then Slight
Chance
Rain/Snow and
Breezy
Wednesday Night
Low: 38 °F
Chance
Rain/Snow
then Chance
Rain and
Breezy
Thursday
High: 49 °F
Rain and
Breezy then
Rain/Snow and
Windy
Thursday Night
Low: 35 °F
Snow and
Breezy
Friday
High: 47 °F
Rain/Snow
Friday Night
Low: 33 °F
Rain/Snow
Saturday
High: 42 °F
Rain/Snow
then Snow
Saturday Night
Low: 16 °F
Snow Likely

Detailed Forecast

Overnight

Partly cloudy, with a low around 19. South southwest wind around 6 mph.

Wednesday

A slight chance of snow after noon, mixing with rain after 4pm. Mostly sunny, with a high near 46. Breezy, with a west wind 6 to 11 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 20%.

Wednesday Night

A chance of rain and snow before 7pm, then a chance of rain. Mostly cloudy, with a low around 38. Breezy, with a southwest wind 18 to 23 mph, with gusts as high as 50 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Thursday

Rain before noon, then rain and snow between noon and 3pm, then snow after 3pm. High near 49. Windy, with a west southwest wind 24 to 32 mph, with gusts as high as 60 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Thursday Night

Snow. Low around 35. Breezy, with a west wind 19 to 24 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 49 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Friday

Snow before 9am, then rain, possibly mixed with snow. High near 47. West wind 7 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Friday Night

Rain, possibly mixed with snow. Low around 33. West wind 5 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Saturday

Rain, possibly mixed with snow, becoming all snow after 9am. Cloudy, with a high near 42. West northwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 34 mph.

Saturday Night

Snow likely, mainly before midnight. Mostly cloudy, with a low around 16.

Sunday

A chance of snow, mainly after noon. Mostly cloudy, with a high near 37.

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 53.

Monday Night

A chance of rain. Mostly cloudy, with a low around 39.

Tuesday

A slight chance of rain. Partly sunny, with a high near 65.