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

CW7710 Logan (C7710)

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

63°F

17°C

Humidity	77%
Wind Speed	ESE 5 MPH
Barometer	30.08 in (1018.63 mb)
Dewpoint	56°F (13°C)
Visibility	NA
Last update	17 Aug 08:03 PM MDT

More Information:

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

Extended Forecast for

3 Miles S Manhattan MT

Tonight
Low: 50 °F
Chance
T-storms then
Haze
Monday
High: 87 °F
Mostly Sunny
then Slight
Chance
T-storms
Monday Night
Low: 53 °F
Haze then
Mostly Clear
Tuesday
High: 95 °F
Sunny
Tuesday Night
Low: 54 °F
Mostly Clear
Wednesday
High: 92 °F
Sunny
Wednesday Night
Low: 53 °F
Partly Cloudy
Thursday
High: 85 °F
Sunny
Thursday Night
Low: 49 °F
Mostly Clear

Detailed Forecast

Tonight

A 30 percent chance of showers and thunderstorms before 9pm. Widespread haze before 11pm, then widespread haze after midnight. Areas of smoke between 11pm and midnight. Mostly cloudy, with a low around 50. East southeast wind around 6 mph becoming calm in the evening.

Monday

A slight chance of showers between 2pm and 3pm, then a slight chance of showers and thunderstorms after 3pm. Widespread haze between 2pm and 5pm. Areas of smoke after 5pm. Mostly sunny, with a high near 87. Calm wind becoming south southeast 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

Monday Night

Widespread haze before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 53. South wind 5 to 7 mph becoming west in the evening.

Tuesday

Sunny, with a high near 95. South southeast wind around 5 mph becoming calm.

Tuesday Night

Mostly clear, with a low around 54. East wind 6 to 8 mph.

Wednesday

Sunny, with a high near 92. Calm wind becoming west northwest 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.

Wednesday Night

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

Thursday

Sunny, with a high near 85. Calm wind becoming north northwest around 6 mph in the afternoon.

Thursday Night

Mostly clear, with a low around 49.