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

CW7710 Logan (C7710)

Lat: 45.87715°NLon: 111.4106°WElev: 4232.0ft.

54°F

12°C

Humidity	80%
Wind Speed	E 2 MPH
Barometer	30.09 in (1018.96 mb)
Dewpoint	48°F (9°C)
Visibility	NA
Last update	17 Aug 05:33 AM MDT

More Information:

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

Extended Forecast for

2 Miles SE Three Forks MT

Today
High: 86 °F
Partly Sunny
then Showers
Likely
Tonight
Low: 50 °F
Chance
T-storms then
Partly Cloudy
Monday
High: 92 °F
Mostly Sunny
then Slight
Chance
Showers
Monday Night
Low: 51 °F
Haze
Tuesday
High: 97 °F
Hot
Tuesday Night
Low: 52 °F
Mostly Clear
Wednesday
High: 94 °F
Sunny
Wednesday Night
Low: 53 °F
Partly Cloudy
Thursday
High: 89 °F
Sunny

Detailed Forecast

Today

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Widespread haze between 2pm and 3pm. Areas of smoke between 3pm and 4pm. Partly sunny, with a high near 86. Light and variable wind becoming west northwest 8 to 13 mph in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

A 40 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 50. North northwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.

Monday

A 20 percent chance of showers after noon. Mostly sunny, with a high near 92. Calm wind becoming southwest around 6 mph in the afternoon. Winds could gust as high as 18 mph.

Monday Night

Widespread haze before 1am. Areas of smoke before 7pm. Partly cloudy, with a low around 51. West wind 5 to 7 mph becoming calm after midnight.

Tuesday

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

Tuesday Night

Mostly clear, with a low around 52. East southeast wind around 6 mph becoming light and variable after midnight.

Wednesday

Sunny, with a high near 94. Calm wind becoming west northwest 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.

Wednesday Night

Partly cloudy, with a low around 53. Northwest wind 6 to 11 mph becoming light west after midnight. Winds could gust as high as 22 mph.

Thursday

Sunny, with a high near 89.