Heavy Rain and Severe Thunderstorms in the Southwest; Coastal Flooding Along Portions of the Eastern Seaboard

A slow moving front will produce a threat for heavy rainfall and severe weather from the southwest into the western High Plains through the weekend. Heavy rainfall and isolated flash flooding and gusty winds will be possible this weekend into early next week in portions of southern Florida. Coastal flooding impacts remain possible through the weekend along the Southeast and Mid-Atlantic coasts Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from October 23, 12:00 PM MDT until October 24, 12:00 AM MDT

Current conditions at

Helena Regional Airport (KHLN)

Lat: 46.60445°NLon: 111.9892°WElev: 3874.0ft.

Clear

61°F

16°C

Humidity	55%
Wind Speed	SW 3 MPH
Barometer	29.79 in (1008.81 mb)
Dewpoint	45°F (7°C)
Visibility	10.00 mi
Last update	22 Oct 06:53 PM MDT

More Information:

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

Extended Forecast for

Clancy MT

Winter Weather Advisory October 23, 12:00pm until October 24, 12:00am

Click here for hazard details and duration

Winter Weather Advisory

Tonight
Low: 43 °F
Partly Cloudy
then Chance
Rain
Friday
High: 52 °F⇓
Rain then
Rain/Snow
Friday Night
Low: 22 °F
Rain/Snow
then Partly
Cloudy
Saturday
High: 47 °F
Sunny
Saturday Night
Low: 25 °F
Mostly Clear
Sunday
High: 47 °F
Sunny
Sunday Night
Low: 25 °F
Partly Cloudy
Monday
High: 50 °F
Mostly Sunny
Monday Night
Low: 28 °F
Partly Cloudy
then Slight
Chance
Rain/Snow

Detailed Forecast

Tonight

A 30 percent chance of rain, mainly after 5am. Increasing clouds, with a low around 43. South southwest wind around 6 mph becoming calm after midnight.

Friday

Rain before 2pm, then snow, possibly mixed with rain. Temperature rising to near 52 by 10am, then falling to around 34 during the remainder of the day. Light and variable wind becoming north northwest 12 to 17 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Friday Night

Snow, possibly mixed with rain before 9pm, then a chance of snow between 9pm and 10pm. Low around 22. North wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Saturday

Sunny, with a high near 47. Southeast wind 3 to 6 mph.

Saturday Night

Mostly clear, with a low around 25. Calm wind becoming south around 5 mph.

Sunday

Sunny, with a high near 47. Light and variable wind.

Sunday Night

Partly cloudy, with a low around 25. Calm wind.

Monday

Mostly sunny, with a high near 50. Light and variable wind.

Monday Night

A slight chance of rain and snow between midnight and 3am, then a slight chance of rain after 3am. Partly cloudy, with a low around 28.