Heatwave Continues; Thunderstorms and Showers in the Upper Midwest

An ongoing significant heat wave will continue through early week in the Southeast, Mid-South, and Plains, where the Heat index could exceed 110 degrees in some places. Scattered severe thunderstorms and heavy rain will be possible over parts of the Upper Midwest on Monday. Monsoon-like conditions continue to produce isolated flash flooding in the Southwest and Four Corners region. Read More >

Current conditions at

Jefferson River Valley (JVWM)

Lat: 45.79778°NLon: 112.16528°WElev: 4415.0ft.

86°F

30°C

Humidity	16%
Wind Speed	WSW 12 MPH
Barometer	NA
Dewpoint	35°F (2°C)
Visibility	NA
Heat Index	83°F (28°C)
Last update	23 Jun 08:00 PM MDT

More Information:

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

Extended Forecast for

4 Miles SSW Whitehall MT

Tonight
Low: 54 °F
Mostly Clear
Monday
High: 89 °F
Sunny
Monday Night
Low: 51 °F
Mostly Clear
Tuesday
High: 89 °F
Sunny
Tuesday Night
Low: 53 °F
Mostly Clear
Wednesday
High: 90 °F
Sunny then
Slight Chance
T-storms
Wednesday Night
Low: 55 °F
Partly Cloudy
Thursday
High: 81 °F
Mostly Sunny
then Chance
T-storms and
Breezy
Thursday Night
Low: 45 °F
Chance
T-storms then
Partly Cloudy

Detailed Forecast

Tonight

Mostly clear, with a low around 54. West southwest wind 6 to 15 mph, with gusts as high as 29 mph.

Monday

Sunny, with a high near 89. South wind 6 to 11 mph becoming west 16 to 21 mph in the morning. Winds could gust as high as 34 mph.

Monday Night

Mostly clear, with a low around 51. West wind 12 to 17 mph becoming light after midnight. Winds could gust as high as 31 mph.

Tuesday

Sunny, with a high near 89. Light west southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

Tuesday Night

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

Wednesday

A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 90. Light and variable wind becoming southwest 12 to 17 mph in the morning. Winds could gust as high as 30 mph.

Wednesday Night

Partly cloudy, with a low around 55. West southwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.

Thursday

A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. Breezy, with a west wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph.

Thursday Night

A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 45.

Friday

A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70.

Friday Night

Mostly clear, with a low around 42.

Saturday

Sunny, with a high near 82.

Saturday Night

Partly cloudy, with a low around 50.

Sunday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82.