Thunderstorms and Heavy Rainfall in the Southeast, Montana, and Iowa; Lowell Begins to Impact Hawaii

Strong thunderstorms with damaging winds and heavy rain are expected across portions of the Southeast. Thunderstorms may produce large hail across portions of Montana. Heavy rainfall could produce flash flooding across Iowa and vulnerable areas in Utah. Lowell will bring heavy rain, dangerous swells and rip currents to portions of Hawaii. Sweltering heat persists across the South-Central US. Read More >

Current conditions at

WHITEHALL (WHHM8)

Lat: 45.8715° N Lon: 112.10821° W Elev: 4390.0 ft.

NA

76°F

24°C

Humidity 36%
Wind Speed E 6 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Heat Index78°F (26°C)
Last update 06 Sep 03:15 PM MDT
Detailed forecast for

Missouri Headwaters

Tonight
Partly cloudy until early morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms late in the night. Areas of fog late in the night. Lows in the upper 40s. Northwest winds up to 10 mph with gusts to around 25 mph. Chance of precipitation 50 percent.
Labor Day
Windy, cooler. Patchy fog in the morning. Mostly cloudy with chance of rain showers and slight chance of thunderstorms in the morning, then sunny in the afternoon. Highs in the mid 60s. West winds 5 to 15 mph increasing to 20 to 30 mph in the afternoon. Gusts up to 45 mph. Chance of precipitation 50 percent.
Monday Night
Mostly clear. Lows around 40. West winds 10 to 20 mph. Gusts up to 35 mph in the evening.
Tuesday
Sunny. Highs in the upper 60s. West winds 5 to 15 mph. Gusts up to 30 mph in the afternoon.
Tuesday Night
Mostly clear. Lows in the lower 40s. West winds up to 10 mph. Gusts up to 25 mph in the evening.
Wednesday
Sunny. Highs in the upper 70s.
Wednesday Night Through Thursday Night
Mostly clear. Lows in the upper 40s. Highs in the lower 80s.
Friday
Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 70s.
Friday Night And Saturday
Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows in the mid 40s. Highs in the lower 60s. Chance of precipitation 40 percent.
Saturday Night
Mostly cloudy. Chance of rain showers in the evening, then slight chance of rain showers after midnight. Lows around 40. Chance of showers 30 percent.
Sunday
Mostly sunny. Chance of rain showers in the morning, then slight chance of rain showers in the afternoon. Highs in the mid 60s. Chance of showers 30 percent.



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337 PM MDT Sun Sep 6 2026
 
 

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