Dangerous Surf and Rip Currents for most of the Atlantic Shoreline; Record Heat for the West

Hurricane Erin continues to track northward. Tropical storm force winds, storm surge conditions will increase for the Outer Banks today and portions of coastal Virginia. Life-threatening surf and rip currents along much of the east coast of the U.S. this week. Major to extreme HeatRisk with new record high temperatures are expected for many areas of the western U.S. this week. Read More >

Hazardous Weather Conditions

Red Flag Warning in effect from August 20, 01:00 PM MDT until August 20, 10:00 PM MDT

Current conditions at

Jefferson River Valley (JVWM)

Lat: 45.79778°NLon: 112.16528°WElev: 4415.0ft.

90°F

32°C

Humidity	19%
Wind Speed	ESE 4 MPH
Barometer	NA
Dewpoint	43°F (6°C)
Visibility	NA
Heat Index	86°F (30°C)
Last update	20 Aug 03:00 PM MDT

More Information:

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

Extended Forecast for

3 Miles SSW Silver Star MT

Red Flag Warning until August 20, 10:00pm

Click here for hazard details and duration

Red Flag Warning

Red Flag Warning until August 20, 10:00pm
NOW until 10:00pm Wed
Red Flag Warning
This Afternoon
High: 91 °F
Chance
T-storms
Tonight
Low: 51 °F
Chance
T-storms then
Haze
Thursday
High: 85 °F
Haze
Thursday Night
Low: 49 °F
Haze then
Mostly Clear
Friday
High: 83 °F
Sunny
Friday Night
Low: 46 °F
Mostly Clear
Saturday
High: 86 °F
Sunny
Saturday Night
Low: 49 °F
Mostly Clear

Detailed Forecast

This Afternoon

A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 91. Southwest wind 11 to 13 mph, with gusts as high as 22 mph.

Tonight

A 40 percent chance of showers and thunderstorms, mainly before 9pm. Widespread haze before 9pm, then widespread haze after midnight. Partly cloudy, with a low around 51. West northwest wind 8 to 14 mph becoming north northeast after midnight. Winds could gust as high as 21 mph.

Thursday

Widespread haze before 11am, then widespread haze after noon. Sunny, with a high near 85. Northeast wind 6 to 8 mph.

Thursday Night

Widespread haze before 10pm. Mostly clear, with a low around 49. North northeast wind 6 to 11 mph, with gusts as high as 18 mph.

Friday

Sunny, with a high near 83. Northeast wind 10 to 13 mph, with gusts as high as 21 mph.

Friday Night

Mostly clear, with a low around 46. North northeast wind 11 to 14 mph, with gusts as high as 22 mph.

Saturday

Sunny, with a high near 86. Northeast wind 7 to 9 mph.

Saturday Night

Mostly clear, with a low around 49. North northeast wind around 10 mph, with gusts as high as 18 mph.