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

WHITE SULPHUR SPRING (WSRM8)

Lat: 46.54308°NLon: 110.9058°WElev: 5060.0ft.

55°F

13°C

Humidity	70%
Wind Speed	NE 2 MPH
Barometer	NA
Dewpoint	45°F (7°C)
Visibility	NA
Last update	17 Aug 07:57 AM MDT

More Information:

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

Extended Forecast for

11 Miles S Checkerboard MT

Today
High: 81 °F
Mostly Sunny
then Showers
Likely
Tonight
Low: 53 °F
Chance
T-storms then
Haze
Monday
High: 85 °F
Sunny then
Chance
Showers
Monday Night
Low: 58 °F
Partly Cloudy
Tuesday
High: 91 °F
Sunny
Tuesday Night
Low: 58 °F
Mostly Clear
Wednesday
High: 89 °F
Sunny
Wednesday Night
Low: 55 °F
Partly Cloudy
Thursday
High: 80 °F
Sunny

Detailed Forecast

Today

A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 81. Light and variable wind becoming west southwest 8 to 13 mph in the afternoon. Winds could gust as high as 18 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 50 percent chance of showers and thunderstorms, mainly before 8pm. Widespread haze before 3am. Cloudy, then gradually becoming partly cloudy, with a low around 53. West wind 5 to 15 mph becoming south southwest in the evening. Winds could gust as high as 22 mph.

Monday

A 40 percent chance of showers after noon. Mostly sunny, with a high near 85. Southwest wind 6 to 14 mph, with gusts as high as 23 mph.

Monday Night

Partly cloudy, with a low around 58. West wind 5 to 10 mph becoming east in the evening.

Tuesday

Sunny, with a high near 91. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

Tuesday Night

Mostly clear, with a low around 58. Southwest wind 6 to 9 mph becoming east after midnight.

Wednesday

Sunny, with a high near 89. Southwest wind 8 to 14 mph, with gusts as high as 23 mph.

Wednesday Night

Partly cloudy, with a low around 55. West wind 8 to 11 mph, with gusts as high as 20 mph.