Extreme Heat Lingers; Severe Thunderstorms for Portions of the Plains and Southeast; Heavy Rainfall Threats

Gusty winds and heavy rainfall may impact the Big Island of Hawaii as a nearby tropical system passes west of the islands. From the Southwest U.S., Rockies and across the Gulf Coast, heavy rainfall could lead to isolated flash flooding. Severe thunderstorms are expected for areas of the Plains, Gulf Coast and Southeast through Tuesday. Extreme heat lingers for the southern Plains and Southwest. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Clear

55°F

13°C

Humidity	50%
Wind Speed	NW 3 MPH
Barometer	30.13 in (1020.32 mb)
Dewpoint	37°F (3°C)
Visibility	10.00 mi
Last update	24 Aug 05:20 AM MDT

More Information:

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

Extended Forecast for

Helena MT

Today
High: 83 °F
Patchy Smoke
Tonight
Low: 56 °F
Patchy Smoke
then Partly
Cloudy
Tuesday
High: 85 °F
Mostly Sunny
then Patchy
Smoke
Tuesday Night
Low: 58 °F
Patchy Smoke
then Mostly
Cloudy
Wednesday
High: 89 °F
Mostly Sunny
then Slight
Chance
T-storms
Wednesday Night
Low: 58 °F
Slight Chance
T-storms then
Mostly Cloudy
Thursday
High: 88 °F
Mostly Sunny
then Chance
Showers
Thursday Night
Low: 57 °F
Slight Chance
T-storms then
Partly Cloudy
Friday
High: 85 °F
Sunny

Detailed Forecast

Today

Patchy smoke. Sunny, with a high near 83. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

Tonight

Patchy smoke before 11pm. Partly cloudy, with a low around 56. Northwest wind 5 to 7 mph becoming calm in the evening.

Tuesday

Patchy smoke after 5pm. Sunny, with a high near 85. Calm wind becoming east northeast around 5 mph in the afternoon.

Tuesday Night

Patchy smoke before 7pm. Partly cloudy, with a low around 58. South southwest wind around 5 mph becoming calm after midnight.

Wednesday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89. Calm wind becoming east southeast around 6 mph in the afternoon.

Wednesday Night

A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 58. South southwest wind 5 to 9 mph.

Thursday

A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 88. Calm wind becoming south 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

Thursday Night

A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 57. Southwest wind around 7 mph.

Friday

Sunny, with a high near 85.

Friday Night

Partly cloudy, with a low around 57.

Saturday

A slight chance of showers. Mostly sunny, with a high near 83.

Saturday Night

A slight chance of showers. Partly cloudy, with a low around 54.

Sunday

Sunny, with a high near 76.