Severe Thunderstorms and Heavy Rainfall from the Lower Mississippi Valley to the Mid-Atlantic; Active Pattern Continues in Hawaii

Scattered severe thunderstorms are expected today from the ArkLaTex and Lower Mississippi Valley through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat today from east Texas into New York. A powerful kona storm will continue to impact Hawaii through Saturday, bringing heavy rainfall, strong winds, and severe thunderstorms. 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.

Partly Cloudy

32°F

0°C

Humidity	39%
Wind Speed	N 0 MPH
Barometer	30.19 in (1022.35 mb)
Dewpoint	10°F (-12°C)
Visibility	10.00 mi
Last update	11 Mar 10:53 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

Today
High: 46 °F
Slight Chance
Rain/Snow and
Breezy
Tonight
Low: 38 °F
Chance Rain
and Breezy
Thursday
High: 51 °F
Rain and
Breezy then
Rain/Snow and
Windy
Thursday Night
Low: 33 °F
Snow and
Breezy
Friday
High: 48 °F
Rain/Snow
Friday Night
Low: 31 °F
Rain/Snow
Saturday
High: 42 °F
Rain/Snow
then Snow
Saturday Night
Low: 16 °F
Snow Likely
Sunday
High: 38 °F
Chance Snow

Detailed Forecast

Today

A slight chance of snow after noon, mixing with rain after 4pm. Mostly sunny, with a high near 46. Breezy, with a west wind 15 to 24 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.

Tonight

A 50 percent chance of rain, mainly after 3am. Mostly cloudy, with a low around 38. Breezy, with a southwest wind 18 to 24 mph, with gusts as high as 48 mph.

Thursday

Rain before noon, then rain and snow between noon and 3pm, then snow after 3pm. High near 51. 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 33. Breezy, with a west wind 18 to 23 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 46 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Friday

Snow before 9am, then rain, possibly mixed with snow. High near 48. West wind 7 to 14 mph, with gusts as high as 28 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 31. West wind 5 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Saturday

Rain, possibly mixed with snow, becoming all snow after 9am. 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 33 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

Saturday Night

Snow likely, mainly before midnight. Mostly cloudy, with a low around 16. Northwest wind 11 to 16 mph becoming light west after midnight. Winds could gust as high as 30 mph.

Sunday

A chance of snow, mainly after noon. Mostly cloudy, with a high near 38.

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 38.

Tuesday

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