Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

Monarch Canyon US-89 MP 53.5 (MTMON)

Lat: 47.1429°NLon: 110.82309°WElev: 5197.0ft.

52°F

11°C

Humidity	42%
Wind Speed	SSW 0 MPH
Barometer	NA
Dewpoint	29°F (-2°C)
Visibility	NA
Last update	16 Aug 04:30 AM MDT

More Information:

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

Extended Forecast for

6 Miles WNW Monarch MT

Today
High: 84 °F
Sunny then
Slight Chance
T-storms
Tonight
Low: 55 °F
Chance
T-storms then
Partly Cloudy
Sunday
High: 78 °F
Mostly Sunny
then Chance
T-storms
Sunday Night
Low: 55 °F
Slight Chance
T-storms then
Partly Cloudy
Monday
High: 80 °F
Sunny
Monday Night
Low: 58 °F
Mostly Clear
Tuesday
High: 87 °F
Sunny
Tuesday Night
Low: 59 °F
Mostly Clear
Wednesday
High: 85 °F
Sunny

Detailed Forecast

Today

A 20 percent chance of showers and thunderstorms after 5pm. Widespread haze after noon. Increasing clouds, with a high near 84. Calm wind becoming west 5 to 7 mph in the afternoon.

Tonight

A 30 percent chance of showers and thunderstorms, mainly before 9pm. Widespread haze before midnight. Mostly cloudy, with a low around 55. Northwest wind 5 to 7 mph becoming calm in the evening.

Sunday

A 30 percent chance of showers and thunderstorms after noon. Widespread haze after 3pm. Mostly sunny, with a high near 78. Calm wind becoming west northwest around 6 mph in the afternoon.

Sunday Night

A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Widespread haze before 7pm. Mostly cloudy, with a low around 55. North wind around 6 mph becoming south in the evening. Chance of precipitation is 20%.

Monday

Sunny, with a high near 80. South wind 5 to 7 mph becoming west southwest in the afternoon.

Monday Night

Mostly clear, with a low around 58. West northwest wind around 6 mph becoming southeast in the evening.

Tuesday

Sunny, with a high near 87. Light and variable wind becoming west southwest around 6 mph in the afternoon.

Tuesday Night

Mostly clear, with a low around 59. West southwest wind around 6 mph becoming east southeast in the evening.

Wednesday

Sunny, with a high near 85.

Wednesday Night

Partly cloudy, with a low around 55.