Atmospheric River to Begin to Impact the Northwest U.S.; Gusty Winds in the Northeast U.S.

A strong atmospheric river moving into northern California later Tuesday will bring a threat for moderate to heavy rainfall and flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. through at least Wednesday. Gusty winds and isolated rain and snow showers will continue in the Northeast U.S. Tuesday behind a cold front. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Partly Cloudy

39°F

4°C

Humidity	52%
Wind Speed	N 0 MPH
Barometer	29.85 in (1010.84 mb)
Dewpoint	23°F (-5°C)
Visibility	10.00 mi
Last update	03 Nov 08:53 PM MST

More Information:

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

Extended Forecast for

Helena MT

Tonight
Low: 40 °F
Slight Chance
Rain then
Rain Likely
Tuesday
High: 54 °F
Chance Rain
Tuesday Night
Low: 37 °F
Mostly Cloudy
Wednesday
High: 60 °F
Mostly Cloudy
Wednesday Night
Low: 41 °F
Chance Rain
Thursday
High: 51 °F
Slight Chance
Rain then
Mostly Sunny
Thursday Night
Low: 36 °F
Slight Chance
Rain/Snow
Friday
High: 52 °F
Rain/Snow
Likely then
Rain Likely
Friday Night
Low: 33 °F
Chance
Rain/Snow
then Partly
Cloudy

Detailed Forecast

Tonight

Rain likely, mainly after 5am. Mostly cloudy, with a low around 40. South southwest wind around 6 mph. Chance of precipitation is 60%.

Tuesday

A chance of rain before 3pm, then a slight chance of sprinkles between 3pm and 4pm. Increasing clouds, with a high near 54. Southwest wind 5 to 7 mph becoming west northwest in the afternoon. Chance of precipitation is 30%.

Tuesday Night

Mostly cloudy, with a low around 37. Calm wind becoming south around 5 mph after midnight.

Wednesday

Mostly cloudy, with a high near 60. South wind 5 to 8 mph, with gusts as high as 18 mph.

Wednesday Night

A 40 percent chance of rain. Mostly cloudy, with a low around 41. Southwest wind 8 to 15 mph, with gusts as high as 32 mph.

Thursday

A 20 percent chance of rain before 11am. Mostly sunny, with a high near 51. West southwest wind 15 to 21 mph, with gusts as high as 37 mph.

Thursday Night

A slight chance of rain and snow after 11pm. Mostly cloudy, with a low around 36. South southwest wind around 11 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

Friday

Rain likely, possibly mixed with snow, becoming all rain after 11am. Mostly cloudy, with a high near 52. West wind 10 to 15 mph, with gusts as high as 30 mph.

Friday Night

A chance of rain and snow before 11pm. Partly cloudy, with a low around 33.

Saturday

Mostly sunny, with a high near 47.

Saturday Night

Mostly cloudy, with a low around 30.

Sunday

Partly sunny, with a high near 51.

Sunday Night

Mostly cloudy, with a low around 36.

Monday

A chance of rain and snow. Partly sunny, with a high near 56.