Heavy Rainfall Continues in Hawaii; Severe Thunderstorms and Heavy Rainfall in the Plains and Southern Appalachians

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorms and heavy rainfall will shift into the southern Appalachians today. Strong to severe thunderstorms may produce large hail, scattered wind gusts, and heavy rain today across the northern and central Plains. Read More >

Current conditions at

ROCKY BOY (RCBM8)

Lat: 48.25529°NLon: 109.78592°WElev: 3789.0ft.

78°F

26°C

Humidity	35%
Wind Speed	WSW 6 MPH
Barometer	NA
Dewpoint	48°F (9°C)
Visibility	NA
Heat Index	78°F (26°C)
Last update	17 Aug 01:18 PM MDT

More Information:

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

Extended Forecast for

11 Miles SE Big Sandy MT

This Afternoon
High: 78 °F
Slight Chance
T-storms
Tonight
Low: 55 °F
Chance
T-storms
Tuesday
High: 79 °F
Patchy Smoke
then Slight
Chance
T-storms
Tuesday Night
Low: 57 °F
Slight Chance
T-storms then
Patchy Smoke
Wednesday
High: 82 °F
Patchy Smoke
then Sunny
Wednesday Night
Low: 58 °F
Mostly Clear
Thursday
High: 82 °F
Sunny
Thursday Night
Low: 58 °F
Mostly Clear
Friday
High: 82 °F
Sunny

Detailed Forecast

This Afternoon

A slight chance of showers and thunderstorms between 3pm and 4pm. Patchy smoke before 2pm, then patchy smoke after 4pm. Partly sunny, with a high near 78. Northwest wind 5 to 7 mph. Chance of precipitation is 20%.

Tonight

A 50 percent chance of showers and thunderstorms, mainly before 2am. Patchy smoke before 3am, then patchy smoke after 5am. Partly cloudy, with a low around 55. Northwest wind 5 to 7 mph becoming calm in the evening.

Tuesday

A 20 percent chance of showers and thunderstorms after 3pm. Patchy smoke before 11am, then patchy smoke after 2pm. Mostly sunny, with a high near 79. Calm wind becoming south southwest around 5 mph in the afternoon.

Tuesday Night

A 20 percent chance of showers and thunderstorms before 8pm. Patchy smoke. Partly cloudy, with a low around 57. East southeast wind around 5 mph becoming calm after midnight.

Wednesday

Patchy smoke before 7am. Sunny, with a high near 82. Calm wind becoming west northwest 5 to 9 mph in the afternoon.

Wednesday Night

Mostly clear, with a low around 58. West northwest wind 5 to 7 mph becoming calm in the evening.

Thursday

Sunny, with a high near 82. Calm wind becoming northwest 5 to 7 mph in the afternoon.

Thursday Night

Mostly clear, with a low around 58. North northwest wind 5 to 7 mph becoming east after midnight.

Friday

Sunny, with a high near 82.

Friday Night

Partly cloudy, with a low around 63. Breezy.