Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

ROCKY BOY (RCBM8)

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

72°F

22°C

Humidity	46%
Wind Speed	SW 4 MPH
Barometer	NA
Dewpoint	50°F (10°C)
Visibility	NA
Last update	17 Aug 10:18 AM MDT

More Information:

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

Extended Forecast for

2 Miles SE Rocky Boy MT

Today
High: 81 °F
Mostly Sunny
Tonight
Low: 56 °F
Slight Chance
T-storms then
Partly Cloudy
Monday
High: 85 °F
Sunny then
Chance
Showers
Monday Night
Low: 61 °F
Mostly Clear
Tuesday
High: 91 °F
Sunny
Tuesday Night
Low: 60 °F
Partly Cloudy
Wednesday
High: 88 °F
Sunny
Wednesday Night
Low: 54 °F
Partly Cloudy
then Slight
Chance
Showers
Thursday
High: 76 °F
Sunny

Detailed Forecast

Today

Mostly sunny, with a high near 81. West wind 6 to 8 mph.

Tonight

A slight chance of showers and thunderstorms between 7pm and 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 56. Light and variable wind becoming south 5 to 10 mph in the evening. Chance of precipitation is 20%.

Monday

A 30 percent chance of showers after noon. Mostly sunny, with a high near 85. Southwest wind 3 to 6 mph.

Monday Night

Mostly clear, with a low around 61. West southwest wind around 5 mph becoming light and variable after midnight.

Tuesday

Sunny, with a high near 91. Light and variable wind becoming west southwest around 6 mph in the afternoon.

Tuesday Night

Partly cloudy, with a low around 60. North wind around 6 mph becoming south southeast after midnight.

Wednesday

Sunny, with a high near 88. East southeast wind 5 to 7 mph becoming northwest in the afternoon.

Wednesday Night

A slight chance of showers after midnight. Partly cloudy, with a low around 54. North northwest wind around 7 mph becoming east northeast in the evening.

Thursday

Sunny, with a high near 76.

Thursday Night

Mostly clear, with a low around 50.

Friday

Sunny, with a high near 76.

Friday Night

Mostly clear, with a low around 49.

Saturday

Sunny, with a high near 78.