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: 31 °F
Mostly Clear
Sunday
High: 56 °F
Sunny
Sunday Night
Low: 30 °F
Partly Cloudy
Monday
High: 61 °F
Partly Sunny
Monday Night
Low: 36 °F
Mostly Cloudy
Tuesday
High: 62 °F
Mostly Cloudy
then Slight
Chance Rain
Tuesday Night
Low: 41 °F
Slight Chance
Rain then
Mostly Cloudy
Wednesday
High: 61 °F
Slight Chance
Rain and
Breezy
Wednesday Night
Low: 31 °F
Slight Chance
Rain then
Partly Cloudy

Detailed Forecast

Tonight

Mostly clear, with a low around 31. Northwest wind 16 to 21 mph becoming west southwest 5 to 10 mph in the evening. Winds could gust as high as 32 mph.

Sunday

Sunny, with a high near 56. Southwest wind 5 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.

Sunday Night

Partly cloudy, with a low around 30. West northwest wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.

Monday

Partly sunny, with a high near 61. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

Monday Night

Mostly cloudy, with a low around 36. Northwest wind 5 to 8 mph becoming calm in the evening.

Tuesday

A 20 percent chance of rain after noon. Mostly cloudy, with a high near 62. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

Tuesday Night

A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 41. Southwest wind 7 to 9 mph, with gusts as high as 20 mph.

Wednesday

A slight chance of rain. Partly sunny, with a high near 61. Breezy, with a west southwest wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 37 mph.

Wednesday Night

A slight chance of rain before midnight. Partly cloudy, with a low around 31.

Thursday

Mostly sunny, with a high near 51.

Thursday Night

Partly cloudy, with a low around 26.

Friday

Mostly sunny, with a high near 57.

Friday Night

Partly cloudy, with a low around 28.

Saturday

Mostly sunny, with a high near 59.