Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Mostly Cloudy

52°F

11°C

Humidity	43%
Wind Speed	NNW 18 MPH
Barometer	29.96 in (1014.56 mb)
Dewpoint	30°F (-1°C)
Visibility	10.00 mi
Last update	21 Mar 05:35 PM MDT

More Information:

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

Extended Forecast for

Helena MT

Tonight
Low: 33 °F
Mostly Clear
Sunday
High: 53 °F
Sunny
Sunday Night
Low: 33 °F
Partly Cloudy
Monday
High: 59 °F
Partly Sunny
Monday Night
Low: 40 °F
Mostly Cloudy
Tuesday
High: 61 °F
Mostly Cloudy
then Slight
Chance
Rain/Snow
Tuesday Night
Low: 44 °F
Slight Chance
Rain then
Mostly Cloudy
Wednesday
High: 57 °F
Chance Rain
and Breezy
Wednesday Night
Low: 31 °F
Slight Chance
Rain/Snow and
Blustery

Detailed Forecast

Tonight

Mostly clear, with a low around 33. West northwest wind 16 to 21 mph becoming southwest 5 to 10 mph in the evening. Winds could gust as high as 34 mph.

Sunday

Sunny, with a high near 53. West wind 7 to 13 mph, with gusts as high as 26 mph.

Sunday Night

Partly cloudy, with a low around 33. West wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 24 mph.

Monday

Partly sunny, with a high near 59. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

Monday Night

Mostly cloudy, with a low around 40. Northwest wind 5 to 8 mph becoming calm in the evening.

Tuesday

A slight chance of rain and snow between noon and 3pm, then a slight chance of rain after 3pm. Mostly cloudy, with a high near 61. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

Tuesday Night

A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 44. Southwest wind 9 to 11 mph, with gusts as high as 23 mph.

Wednesday

A chance of rain. Partly sunny, with a high near 57. Breezy, with a west southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 40 mph.

Wednesday Night

A slight chance of rain before 9pm, then a slight chance of rain and snow between 9pm and 3am, then a slight chance of snow after 3am. Partly cloudy, with a low around 31. Blustery.

Thursday

Mostly sunny, with a high near 46.

Thursday Night

Partly cloudy, with a low around 27.

Friday

Mostly sunny, with a high near 53.

Friday Night

Partly cloudy, with a low around 30.

Saturday

Mostly sunny, with a high near 58.