Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Clear

79°F

26°C

Humidity	27%
Wind Speed	SW 3 MPH
Barometer	30.07 in (1018.29 mb)
Dewpoint	43°F (6°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	17 Aug 08:20 PM MDT

More Information:

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

Extended Forecast for

Clancy MT

Tonight
Low: 52 °F
Slight Chance
T-storms then
Mostly Cloudy
Tuesday
High: 82 °F
Mostly Sunny
then Chance
T-storms
Tuesday Night
Low: 50 °F
Slight Chance
T-storms then
Partly Cloudy
Wednesday
High: 85 °F
Sunny
Wednesday Night
Low: 51 °F
Partly Cloudy
Thursday
High: 87 °F
Sunny
Thursday Night
Low: 53 °F
Partly Cloudy
Friday
High: 87 °F
Mostly Sunny
Friday Night
Low: 55 °F
Chance
Showers then
Mostly Cloudy

Detailed Forecast

Tonight

A 20 percent chance of showers and thunderstorms before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 52. Light and variable wind.

Tuesday

A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly sunny, with a high near 82. Calm wind becoming west northwest 5 to 9 mph in the afternoon.

Tuesday Night

A 20 percent chance of showers and thunderstorms before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 50. South southwest wind around 6 mph.

Wednesday

Sunny, with a high near 85. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

Wednesday Night

Partly cloudy, with a low around 51. Northwest wind 5 to 7 mph becoming calm in the evening.

Thursday

Sunny, with a high near 87. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

Thursday Night

Partly cloudy, with a low around 53. North northwest wind around 6 mph becoming calm in the evening.

Friday

Mostly sunny, with a high near 87. Calm wind becoming north northeast around 5 mph in the afternoon.

Friday Night

A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 55.