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.

80°F

27°C

Humidity	37%
Wind Speed	W 4 MPH
Barometer	NA
Dewpoint	51°F (11°C)
Visibility	NA
Heat Index	80°F (27°C)
Last update	17 Aug 10:39 AM MDT

More Information:

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

Extended Forecast for

14 Miles ESE Roundup MT

Today
High: 88 °F
Slight Chance
T-storms
Tonight
Low: 60 °F
Chance
T-storms then
Partly Cloudy
Monday
High: 90 °F
Hot
Monday Night
Low: 63 °F
Mostly Clear
Tuesday
High: 97 °F
Hot
Tuesday Night
Low: 66 °F
Mostly Clear
Wednesday
High: 97 °F
Hot
Wednesday Night
Low: 66 °F
Partly Cloudy
Thursday
High: 84 °F
Sunny

Detailed Forecast

Today

A 20 percent chance of showers and thunderstorms after 5pm. Sunny, with a high near 88. North wind around 5 mph becoming west in the afternoon.

Tonight

A 40 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 60. West southwest wind around 6 mph becoming calm in the evening.

Monday

Sunny and hot, with a high near 90. Light south wind.

Monday Night

Mostly clear, with a low around 63. West southwest wind around 5 mph becoming calm in the evening.

Tuesday

Sunny and hot, with a high near 97. Calm wind becoming southwest around 5 mph.

Tuesday Night

Mostly clear, with a low around 66. Southeast wind around 5 mph becoming calm after midnight.

Wednesday

Sunny and hot, with a high near 97. Calm wind becoming northwest 5 to 7 mph in the afternoon.

Wednesday Night

Partly cloudy, with a low around 66. North northwest wind 5 to 7 mph.