Cold Front to Bring Cooling and Heavy Rain in the East; Building Heat and Monsoon in the West

A slow moving cold front will bring temperatures back to near normal early this week in the East. Strong to severe storms ahead of the front may produce damaging winds and heavy rain that could cause flash flooding. Strengthening high pressure in the West will produce surging monsoon moisture with potential for flash flooding. Heat may become excessive in the Desert Southwest this week. Read More >

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Current conditions at

Great Falls, Great Falls International Airport (KGTF)

Lat: 47.47333°NLon: 111.38222°WElev: 3675ft.

Fair

88°F

31°C

Humidity	27%
Wind Speed	VRBL 3 MPH
Barometer	30.13 in (1017.5 mb)
Dewpoint	50°F (10°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	22 Jul 4:53 pm MDT

More Information:

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

Extended Forecast for

Great Falls MT

Tonight

Slight Chance
T-storms then
Partly Cloudy
Low: 60 °F
Tuesday

Sunny then
Slight Chance
T-storms
High: 95 °F
Tuesday
Night

Chance
T-storms then
Chance
Showers
Low: 63 °F
Wednesday

Sunny then
Sunny and
Breezy
High: 88 °F
Wednesday
Night

Clear and
Breezy then
Clear
Low: 51 °F
Thursday

Sunny
High: 87 °F
Thursday
Night

Clear
Low: 52 °F
Friday

Sunny
High: 91 °F
Friday
Night

Partly Cloudy
Low: 58 °F

Detailed Forecast

Tonight

A slight chance of showers and thunderstorms between 8pm and 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 60. East wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 20%.

Tuesday

A 20 percent chance of showers and thunderstorms after 5pm. Sunny, with a high near 95. Calm wind becoming southwest around 6 mph in the afternoon.

Tuesday Night

A 40 percent chance of showers and thunderstorms before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 63. South wind 5 to 8 mph, with gusts as high as 18 mph.

Wednesday

Sunny, with a high near 88. Breezy, with a south wind 7 to 12 mph becoming west 17 to 22 mph in the afternoon. Winds could gust as high as 37 mph.

Wednesday Night

Clear, with a low around 51. Breezy, with a west wind 17 to 22 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 37 mph.

Thursday

Sunny, with a high near 87.

Thursday Night

Clear, with a low around 52.

Friday

Sunny, with a high near 91.

Friday Night

Partly cloudy, with a low around 58.