Dangerous Heat Continues in the Southwest; Potential Tropical Cyclone Six in the Gulf of Mexico

Dangerous heat will continue across the Southwest U.S. and southern California through Monday. Excessive Heat Warnings and Heat Advisories remain in effect. Potential Tropical Cyclone Six over the southwestern Gulf of Mexico is expected to become a tropical storm Monday, and will strengthen into a hurricane before reaching the northwestern Gulf of Mexico by midweek. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

haze

79°F

26°C

Humidity	22%
Wind Speed	WSW 13 MPH
Barometer	29.97 in (1014.9 mb)
Dewpoint	37°F (3°C)
Visibility	6.00 mi
Heat Index	78°F (26°C)
Last update	09 Sep 12:05 AM MDT

More Information:

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

Extended Forecast for

Helena MT

Overnight
Low: 57 °F
Slight Chance
T-storms
Monday
High: 88 °F
Areas Smoke
then Haze
Monday Night
Low: 54 °F
Haze
Tuesday
High: 85 °F
Haze then
Slight Chance
Showers
Tuesday Night
Low: 52 °F
Slight Chance
Showers
Wednesday
High: 79 °F
Mostly Sunny
then Showers
Likely
Wednesday Night
Low: 50 °F
Showers
Thursday
High: 61 °F
Showers
Thursday Night
Low: 47 °F
Showers

Detailed Forecast

Overnight

A 20 percent chance of showers and thunderstorms before 1am. Areas of smoke. Partly cloudy, with a low around 57. Light and variable wind becoming east southeast around 5 mph.

Monday

Widespread haze between 3pm and 4pm. Areas of smoke before 3pm, then areas of smoke after 4pm. Sunny, with a high near 88. South southwest wind 5 to 11 mph becoming northwest in the morning. Winds could gust as high as 24 mph.

Monday Night

Widespread haze before 1am, then widespread haze after 4am. Areas of smoke between 7pm and 10pm. Partly cloudy, with a low around 54. Southwest wind 5 to 11 mph, with gusts as high as 23 mph.

Tuesday

A 20 percent chance of showers after noon. Widespread haze before 7am. Mostly sunny, with a high near 85. Calm wind becoming east northeast around 6 mph in the afternoon.

Tuesday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 52. North wind around 6 mph becoming calm after midnight.

Wednesday

Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 79. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 70%.

Wednesday Night

Showers and possibly a thunderstorm. Low around 50. Northwest wind 5 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 90%.

Thursday

Showers, with thunderstorms also possible after noon. Cloudy, with a high near 61. Northwest wind 6 to 10 mph, with gusts as high as 21 mph.

Thursday Night

Showers. Cloudy, with a low around 47.

Friday

Showers likely, mainly before noon. Mostly cloudy, with a high near 62.

Friday Night

Partly cloudy, with a low around 44.

Saturday

Mostly sunny, with a high near 72.