Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Partly Cloudy

77°F

25°C

Humidity	48%
Wind Speed	E 16 MPH
Barometer	29.86 in (1011.18 mb)
Dewpoint	56°F (13°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	29 Aug 12:53 PM MDT

More Information:

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

Extended Forecast for

Helena MT

This Afternoon
High: 79 °F
Showers
Tonight
Low: 47 °F
Showers
Sunday
High: 66 °F
Slight Chance
Showers then
Patchy Smoke
Sunday Night
Low: 43 °F
Partly Cloudy
then Patchy
Smoke
Monday
High: 78 °F
Sunny
Monday Night
Low: 47 °F
Mostly Clear
Tuesday
High: 83 °F
Sunny
Tuesday Night
Low: 50 °F
Showers
Likely
Wednesday
High: 79 °F
Mostly Sunny
then Chance
Showers

Detailed Forecast

This Afternoon

Showers and possibly a thunderstorm. High near 79. Southeast wind around 8 mph becoming northwest. Winds could gust as high as 18 mph. Chance of precipitation is 90%.

Tonight

Showers and thunderstorms. Low around 47. Northeast wind 5 to 7 mph becoming southwest in the evening. Chance of precipitation is 80%.

Sunday

A 20 percent chance of showers before 8am. Patchy smoke after 1pm. Mostly cloudy through mid morning, then gradual clearing, with a high near 66. West wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 30 mph.

Sunday Night

Patchy smoke between 1am and 4am. Partly cloudy, with a low around 43. West wind 5 to 13 mph becoming south southwest after midnight. Winds could gust as high as 28 mph.

Monday

Sunny, with a high near 78. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

Monday Night

Mostly clear, with a low around 47. North northeast wind 5 to 7 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 83. Calm wind becoming east southeast 5 to 8 mph in the afternoon.

Tuesday Night

Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 50. Southwest wind 5 to 9 mph becoming light and variable after midnight.

Wednesday

A chance of showers and thunderstorms after noon. Partly sunny, with a high near 79.

Wednesday Night

A slight chance of showers before midnight. Mostly cloudy, with a low around 48.

Thursday

Mostly sunny, with a high near 76.

Thursday Night

A slight chance of showers. Partly cloudy, with a low around 45.

Friday

Mostly sunny, with a high near 75.