Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

43°F

6°C

Humidity	52%
Wind Speed	SW 3 MPH
Barometer	NA
Dewpoint	26°F (-3°C)
Visibility	NA
Last update	09 Sep 03:15 AM MDT

More Information:

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

Extended Forecast for

Norris WY

Today
High: 64 °F
Frost then
Sunny
Tonight
Low: 34 °F
Clear
Thursday
High: 67 °F
Sunny
Thursday Night
Low: 39 °F
Mostly Clear
Friday
High: 64 °F
Sunny
Friday Night
Low: 35 °F
Partly Cloudy
Saturday
High: 65 °F
Chance
Showers
Saturday Night
Low: 35 °F
Chance
T-storms then
Showers
Likely
Sunday
High: 49 °F
Rain/Snow
Likely

Detailed Forecast

Today

Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 64. Light and variable wind becoming west southwest 8 to 13 mph in the morning. Winds could gust as high as 22 mph.

Tonight

Clear, with a low around 34. West wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.

Thursday

Sunny, with a high near 67. Southwest wind 5 to 13 mph, with gusts as high as 29 mph.

Thursday Night

Mostly clear, with a low around 39. Southwest wind 6 to 11 mph becoming light south southwest after midnight. Winds could gust as high as 29 mph.

Friday

Sunny, with a high near 64. Light south southwest wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 26 mph.

Friday Night

Partly cloudy, with a low around 35. West southwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 23 mph.

Saturday

A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 65. Light and variable wind becoming southwest 6 to 11 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 40%.

Saturday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 35. Chance of precipitation is 70%.

Sunday

Rain and snow showers likely. Some thunder is also possible. Snow level 9500 feet lowering to 8400 feet in the afternoon . Partly sunny, with a high near 49. Chance of precipitation is 70%.

Sunday Night

A chance of rain and snow showers before midnight, then a slight chance of snow showers between midnight and 3am, then a slight chance of rain and snow showers after 3am. Some thunder is also possible. Snow level 8400 feet lowering to 7600 feet after midnight . Partly cloudy, with a low around 27. Chance of precipitation is 40%.

Monday

Mostly sunny, with a high near 52.

Monday Night

Mostly clear, with a low around 27.

Tuesday

Sunny, with a high near 60.