Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Hazardous Weather Conditions

Winter Weather Advisory until October 12, 06:00 AM MDT

Current conditions at

Helena Regional Airport (KHLN)

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

Overcast

32°F

0°C

Humidity	92%
Wind Speed	NW 9 MPH
Barometer	29.93 in (1013.55 mb)
Dewpoint	30°F (-1°C)
Visibility	10.00 mi
Wind Chill	24°F (-4°C)
Last update	11 Oct 03:35 AM MDT

More Information:

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

Extended Forecast for

2 Miles WNW Helena MT

Winter Weather Advisory October 11, 03:50am until October 12, 06:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory October 11, 03:50am until October 12, 06:00am
NOW until 6:00am Mon
Winter Weather Advisory
Overnight
Low: 29 °F
Snow and
Patchy
Blowing Snow
Sunday
High: 31 °F
Snow
Sunday Night
Low: 26 °F
Snow
Columbus Day
High: 38 °F
Chance Snow
then Partly
Sunny
Monday Night
Low: 23 °F
Partly Cloudy
Tuesday
High: 45 °F
Sunny
Tuesday Night
Low: 26 °F
Mostly Clear
Wednesday
High: 49 °F
Sunny

Detailed Forecast

Overnight

Snow. Patchy blowing snow after 4am. Low around 29. North northwest wind 16 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.

Sunday

Snow. High near 31. North wind 13 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Sunday Night

Snow. Low around 26. North wind 6 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Columbus Day

A 50 percent chance of snow before 8am. Mostly cloudy, with a high near 38. Light and variable wind. New snow accumulation of less than a half inch possible.

Monday Night

Partly cloudy, with a low around 23. Light and variable wind.

Tuesday

Sunny, with a high near 45. Light and variable wind.

Tuesday Night

Mostly clear, with a low around 26. Calm wind becoming southwest around 6 mph in the evening.

Wednesday

Sunny, with a high near 49. Calm wind becoming west southwest around 5 mph in the afternoon.

Wednesday Night

Mostly clear, with a low around 31.

Thursday

Mostly sunny, with a high near 50.