Heavy Rainfall and Flooding in the Mid-Atlantic; Heat and Wildfire Concerns in the West

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region through tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the West with dry and breezy conditions. Watching the tropics across the Southeast. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Overcast

57°F

14°C

Humidity	71%
Wind Speed	NNW 11 MPH
Barometer	30.14 in (1020.66 mb)
Dewpoint	48°F (9°C)
Visibility	10.00 mi
Last update	15 Jul 04:55 AM MDT

More Information:

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

Extended Forecast for

Helena MT

Overnight
Low: 53 °F
Chance
Showers
Tuesday
High: 59 °F
Showers
Tuesday Night
Low: 46 °F
Showers
Likely then
Chance
Showers
Wednesday
High: 75 °F
Decreasing
Clouds
Wednesday Night
Low: 48 °F
Clear
Thursday
High: 87 °F
Sunny
Thursday Night
Low: 53 °F
Mostly Clear
Friday
High: 86 °F
Sunny
Friday Night
Low: 55 °F
Mostly Clear

Detailed Forecast

Overnight

A 50 percent chance of showers. Cloudy, with a low around 53. North northwest wind around 15 mph, with gusts as high as 32 mph.

Tuesday

Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. High near 59. North northwest wind 14 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

Showers likely, mainly before 9pm. Cloudy, with a low around 46. North northwest wind 11 to 16 mph becoming light west northwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 70%.

Wednesday

Mostly cloudy, then gradually becoming sunny, with a high near 75. Calm wind becoming east 5 to 7 mph in the afternoon.

Wednesday Night

Clear, with a low around 48. East wind 5 to 8 mph becoming south after midnight.

Thursday

Sunny, with a high near 87. Light and variable wind becoming west northwest 5 to 9 mph in the morning. Winds could gust as high as 21 mph.

Thursday Night

Mostly clear, with a low around 53. West northwest wind 5 to 10 mph becoming light northwest after midnight. Winds could gust as high as 20 mph.

Friday

Sunny, with a high near 86. Calm wind becoming north northeast 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

Friday Night

Mostly clear, with a low around 55.