Severe Thunderstorms Possible in the South Central U.S.; Wildfire Smoke Impacts in the North Central U.S.; Severe Space Weather

Scattered severe thunderstorms may bring large hail and isolated damaging winds this weekend over parts of the south central U.S. Smoke from Canadian wildfires will bring air quality issues to parts of the north central U.S. this weekend. Moderate to Severe geomagnetic storm conditions will remain possible into early Monday following a strong coronal mass ejection from the sun. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NP (YLAW4)

Lat: 44.977222°NLon: 110.695278°WElev: 6138.0ft.

80°F

27°C

Humidity	18%
Wind Speed	S 11 MPH
Barometer	NA
Dewpoint	33°F (1°C)
Visibility	NA
Heat Index	78°F (26°C)
Last update	01 Jun 01:15 PM MDT

More Information:

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

Extended Forecast for

5 Miles SSW Mammoth Hot Springs WY

This Afternoon
High: 74 °F
Showers
Likely and
Breezy
Tonight
Low: 37 °F
Showers and
Patchy Fog
Monday
High: 53 °F
Scattered
T-storms then
Isolated
T-storms
Monday Night
Low: 31 °F
Mostly Cloudy
then Isolated
Rain/Snow
Tuesday
High: 54 °F
Mostly Sunny
then Chance
Showers
Tuesday Night
Low: 33 °F
Chance
Showers then
Slight Chance
Rain/Snow
Wednesday
High: 57 °F
Sunny then
Chance
Showers
Wednesday Night
Low: 34 °F
Partly Cloudy
Thursday
High: 60 °F
Partly Sunny
then Chance
Showers

Detailed Forecast

This Afternoon

Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 74. Breezy, with a southwest wind 18 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.

Tonight

Showers and possibly a thunderstorm before 9pm, then scattered showers and thunderstorms between 9pm and 2am, then showers likely and possibly a thunderstorm after 2am. Patchy fog between 1am and 3am. Low around 37. Breezy, with a west northwest wind 11 to 16 mph becoming northeast 5 to 10 mph in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

Scattered showers and thunderstorms before 9am, then isolated showers and thunderstorms after 3pm. Snow level 9800 feet lowering to 8100 feet in the afternoon . Partly sunny, with a high near 53. North wind 7 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

Monday Night

A slight chance of rain and snow showers between midnight and 3am, then a slight chance of snow showers after 3am. Snow level 8600 feet lowering to 7400 feet after midnight . Mostly cloudy, with a low around 31. North wind 5 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Tuesday

A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Snow level rising to 8900 feet in the afternoon. Partly sunny, with a high near 54. Light and variable wind becoming northwest around 6 mph in the morning. Chance of precipitation is 40%.

Tuesday Night

A chance of rain showers before 4am, then a slight chance of rain and snow showers. Snow level 8900 feet lowering to 8100 feet after midnight . Mostly cloudy, with a low around 33. North northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%.

Wednesday

A 30 percent chance of showers and thunderstorms after noon. Snow level 8000 feet rising to 9500 feet in the afternoon. Mostly sunny, with a high near 57. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

Wednesday Night

Partly cloudy, with a low around 34.

Thursday

A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 60.

Thursday Night

Partly cloudy, with a low around 38.

Friday

A chance of showers and thunderstorms. Mostly sunny, with a high near 62.

Friday Night

A slight chance of showers. Mostly cloudy, with a low around 40.

Saturday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 66.