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 (ROCM8)

Lat: 48.17478°NLon: 109.64728°WElev: 4700.0ft.

65°F

18°C

Humidity	NA
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	NA

More Information:

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

Extended Forecast for

Iliad MT

Today
High: 84 °F
Partly Sunny
Tonight
Low: 59 °F
Chance
T-storms then
Partly Cloudy
Monday
High: 89 °F
Sunny
Monday Night
Low: 62 °F
Mostly Clear
Tuesday
High: 95 °F
Sunny
Tuesday Night
Low: 63 °F
Mostly Clear
Wednesday
High: 93 °F
Sunny
Wednesday Night
Low: 60 °F
Slight Chance
T-storms then
Slight Chance
Showers
Thursday
High: 81 °F
Sunny

Detailed Forecast

Today

Partly sunny, with a high near 84. West northwest wind around 6 mph.

Tonight

A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 59. West wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 50%.

Monday

Sunny, with a high near 89. Calm wind becoming south around 6 mph in the afternoon.

Monday Night

Mostly clear, with a low around 62. East wind 3 to 5 mph.

Tuesday

Sunny, with a high near 95. Calm wind becoming west around 5 mph in the afternoon.

Tuesday Night

Mostly clear, with a low around 63. North northeast wind around 6 mph.

Wednesday

Sunny, with a high near 93. Light and variable wind becoming west northwest 5 to 8 mph in the morning.

Wednesday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60. West northwest wind 5 to 8 mph.