Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Heavy Rain Continues over Portions of the Pacific Northwest

Heavy rain with local flooding will continue along the Washington and Oregon coasts for the next few days. Snow will impact the higher elevations of the Cascades to the northern Rockies. Strong winds will develop in the Sierra and Great Basin. Meanwhile, heavy rain is possible in parts of Florida while light snow will fall in the Upper Great Lakes and northern New England. Read More >

Current conditions at

Sieben I-15 MP 216 (MTSBN)

Lat: 46.88748267° N Lon: 112.1111196° W Elev: 4199 ft.




Humidity 41%
Wind Speed WSW 19 G 27 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 23 Nov 1:28 pm MST
Detailed forecast for

Central and Southern Lewis and Clark

Rest Of Today
Breezy. Mostly cloudy. Scattered showers this late morning and early afternoon...then numerous showers early. Highs 50 to 60. Southwest winds 15 to 25 mph with gusts up to 40 mph. Chance of showers 70 percent.
Windy, colder. Rain in the evening...then a chance of rain and snow after midnight. Snow accumulation up to 3 inches. Lows 25 to 30. West winds 20 to 30 mph with gusts up to 45 mph. Chance of precipitation near 100 percent.
Cooler. Partly cloudy. A 20 percent chance of snow in the morning. Highs 35 to 45. West winds 10 to 20 mph with gusts up to 30 mph.
Friday Night
Partly cloudy. Lows 25 to 30. Southwest winds 5 to 15 mph.
Sunny in the morning...then becoming mostly cloudy. Highs 40 to 45. Southwest winds 5 to 15 mph.
Saturday Night
Mostly cloudy. Lows 30 to 35.
Not as cool. Partly cloudy with a 20 percent chance of rain. Highs 45 to 55.
Sunday Night And Monday
Colder. Mostly cloudy with a 50 percent chance of snow and rain. Lows 25 to 30. Highs 35 to 40.
Monday Night
Mostly cloudy with a 20 percent chance of snow. Lows 20 to 25.
Tuesday Through Wednesday
Partly cloudy. Highs 30 to 40. Lows 20 to 25.

Click Map For Forecast
914 AM MST Thu Nov 23 2017

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database