Strong to Severe Thunderstorms in the East; Heat in the Central and Western U.S.

Strong to potentially severe thunderstorms with damaging wind gusts are forecast Thursday from parts of New England into the Mid Atlantic and Carolinas. Significant heat will expand across the West and Central Plains through Friday, potentially breaking daily high temperature records. Dangerous heat will then build into the Eastern U.S. this weekend through much of next week. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from June 21, 06:00 PM MDT until June 22, 12:00 PM MDT

Current conditions at

West Yellowstone (KWYS)

Lat: 44.68333°NLon: 111.11667°WElev: 6644.0ft.

Clear

79°F

26°C

Humidity	16%
Wind Speed	SW 11 MPH
Barometer	29.89 in (1012.19 mb)
Dewpoint	30°F (-1°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	19 Jun 07:35 PM MDT

More Information:

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

Extended Forecast for

2 Miles WSW West Yellowstone MT

Winter Weather Advisory June 21, 06:00pm until June 22, 12:00pm

Click here for hazard details and duration

Winter Weather Advisory

Overnight
Low: 52 °F
Chance
Showers
Friday
High: 74 °F
Chance
Showers then
Slight Chance
T-storms
Friday Night
Low: 36 °F
Chance
T-storms then
Chance
Showers
Saturday
High: 61 °F
Slight Chance
Rain
Saturday Night
Low: 29 °F
Chance
Showers then
Rain/Snow
Likely
Sunday
High: 53 °F
Rain/Snow
Likely then
Showers
Sunday Night
Low: 25 °F
Chance
Showers then
Mostly Clear
Monday
High: 64 °F
Sunny
Monday Night
Low: 30 °F
Partly Cloudy

Detailed Forecast

Overnight

A 30 percent chance of showers, mainly after 5am. Mostly cloudy, with a low around 52. Calm wind.

Friday

A chance of showers before noon, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 74. Light and variable wind becoming south southwest 13 to 18 mph in the morning. Winds could gust as high as 36 mph. Chance of precipitation is 50%.

Friday Night

A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Cloudy, with a low around 36. Southwest wind 5 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.

Saturday

A 20 percent chance of rain. Mostly sunny, with a high near 61. Southwest wind 8 to 14 mph, with gusts as high as 29 mph.

Saturday Night

A chance of rain showers before midnight, then rain likely between midnight and 3am, then rain and snow likely after 3am. Some thunder is also possible. Mostly cloudy, with a low around 29. Southwest wind 8 to 13 mph becoming light south southwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Sunday

Rain and snow likely before noon, then rain showers. Some thunder is also possible. High near 53. Light south southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Sunday Night

A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 25. West southwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 18 mph.

Monday

Sunny, with a high near 64. Calm wind becoming southwest 5 to 7 mph in the afternoon.

Monday Night

Partly cloudy, with a low around 30.

Tuesday

A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71.

Tuesday Night

Partly cloudy, with a low around 34.

Wednesday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 74.

Wednesday Night

Mostly clear, with a low around 37.