Heat Wave from Montana to the South

An extensive heat wave will consume the Central half of the U.S for the next few days. Widespread excessive heat warnings and heat advisories stretch from Montana into the South with the potential for a few record high temperatures in the north-central High Plains. Also, severe thunderstorms with hail and damaging winds are expected the next couple of days in the Upper Midwest and Great Lakes. Read More >

Hazardous Weather Conditions

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Current conditions at

Helena Regional Airport (KHLN)

Lat: 46.60445°NLon: 111.9892°WElev: 3874ft.

haze

73°F

23°C

Humidity	38%
Wind Speed	NNW 3 MPH
Barometer	30.04 in (1017.27 mb)
Dewpoint	46°F (8°C)
Visibility	6.00 mi
Last update	27 Jul 08:55 AM MDT

More Information:

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

Extended Forecast for

Helena MT

Heat Advisory until July 28, 12:00am

Click here for hazard details and duration

Heat Advisory

Heat Advisory until July 28, 12:00am

NOW until
12:00am Wed

Heat Advisory
Today

Areas Smoke
then Slight
Chance
T-storms
High: 96 °F
Tonight

Chance
T-storms then
Haze
Low: 67 °F
Wednesday

Haze then
Chance
Showers
High: 89 °F
Wednesday
Night

Chance
Showers then
Mostly Cloudy
Low: 65 °F
Thursday

Mostly Sunny
then Chance
T-storms
High: 90 °F
Thursday
Night

Slight Chance
T-storms then
Partly Cloudy
Low: 64 °F
Friday

Sunny then
Slight Chance
T-storms
High: 89 °F
Friday
Night

Slight Chance
T-storms then
Partly Cloudy
Low: 65 °F

Detailed Forecast

Today

A 20 percent chance of showers and thunderstorms after 3pm. Some of the storms could produce gusty winds. Areas of smoke. Increasing clouds and hot, with a high near 96. Calm wind becoming north northwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

Tonight

A 30 percent chance of showers and thunderstorms, mainly before 9pm. Some of the storms could produce gusty winds. Widespread haze after 9pm. Areas of smoke before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 67. Northwest wind 5 to 8 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.

Wednesday

A 30 percent chance of showers and thunderstorms after 3pm. Some of the storms could produce gusty winds. Widespread haze between 9am and 3pm. Areas of smoke after 3pm. Partly sunny, with a high near 89. Light and variable wind becoming north northeast 5 to 7 mph in the morning.

Wednesday Night

A 30 percent chance of showers and thunderstorms before midnight. Some of the storms could produce gusty winds. Areas of smoke before midnight. Mostly cloudy, with a low around 65. North wind 5 to 7 mph becoming light and variable after midnight.

Thursday

A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90. Calm wind becoming north around 6 mph in the afternoon.

Thursday Night

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 64. Northwest wind around 6 mph becoming light and variable after midnight.

Friday

A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 89. Calm wind becoming north northeast 5 to 9 mph in the morning.

Friday Night

A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 65. Northeast wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.

Saturday

A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88.

Saturday Night

A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 65.

Sunday

A chance of showers and thunderstorms. Partly sunny, with a high near 85.

Sunday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 63.

Monday

A chance of showers and thunderstorms. Partly sunny, with a high near 83.