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

HORSE THIEF (HORM8)

Lat: 46.42581°NLon: 108.6745°WElev: 3414.0ft.

82°F

28°C

Humidity	33%
Wind Speed	SSE 3 MPH
Barometer	NA
Dewpoint	50°F (10°C)
Visibility	NA
Heat Index	81°F (27°C)
Last update	17 Aug 11:39 AM MDT

More Information:

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

Extended Forecast for

5 Miles W Sumatra MT

Today
High: 89 °F
Sunny
Tonight
Low: 60 °F
Chance
T-storms then
Mostly Cloudy
Monday
High: 90 °F
Hot
Monday Night
Low: 63 °F
Mostly Clear
Tuesday
High: 97 °F
Hot
Tuesday Night
Low: 65 °F
Mostly Clear
Wednesday
High: 97 °F
Hot
Wednesday Night
Low: 64 °F
Partly Cloudy
Thursday
High: 84 °F
Sunny

Detailed Forecast

Today

Sunny, with a high near 89. North northwest wind 6 to 8 mph becoming northeast in the afternoon.

Tonight

A 40 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 60. West wind around 6 mph becoming light and variable after midnight.

Monday

Sunny and hot, with a high near 90. Light and variable wind becoming south around 6 mph in the afternoon.

Monday Night

Mostly clear, with a low around 63. East southeast wind around 6 mph.

Tuesday

Sunny and hot, with a high near 97. Southeast wind 3 to 6 mph.

Tuesday Night

Mostly clear, with a low around 65. East southeast wind 6 to 9 mph.

Wednesday

Sunny and hot, with a high near 97. Southeast wind 6 to 9 mph becoming northwest in the afternoon.

Wednesday Night

Partly cloudy, with a low around 64. North wind 8 to 10 mph.