Active Weather Pattern Expected From the Midwest to the Southern Plains; Dangerous Heat Likely in Southern Texas

A strong storm system will bring numerous to widespread severe thunderstorms across portions of the Midwest and Upper Great Lakes Tuesday. Tornadoes (a few strong), damaging winds and large hail are expected. Record high temperatures will be possible over southern Texas the next several days. This may lead to dangerous heat concerns especially for areas already without power. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

MAMMOTH (YLAW4)

Lat: 44.977222°NLon: 110.695278°WElev: 6300.0ft.

33°F

1°C

Humidity	94%
Wind Speed	SSW 0 MPH
Barometer	NA
Dewpoint	31°F (-1°C)
Visibility	NA
Last update	21 May 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: 45 °F
Scattered
Snow Showers
then
Scattered
Rain/Snow
Tonight
Low: 28 °F
Isolated
Rain/Snow
then Partly
Cloudy
Wednesday
High: 46 °F
Isolated Snow
Showers then
Rain/Snow
Likely
Wednesday Night
Low: 27 °F
Rain/Snow
then Snow
Showers
Thursday
High: 38 °F
Snow Showers
Thursday Night
Low: 24 °F
Chance Snow
Showers then
Mostly Cloudy
Friday
High: 48 °F
Partly Sunny
then Chance
Rain/Snow
Friday Night
Low: 29 °F
Mostly Cloudy
Saturday
High: 51 °F
Partly Sunny
then Chance
Showers

Detailed Forecast

Today

Scattered snow showers before noon, then scattered rain and snow showers between noon and 4pm, then scattered rain showers after 4pm. Some thunder is also possible. Partly sunny, with a high near 45. Light north wind becoming northwest 6 to 11 mph in the morning. Chance of precipitation is 40%. Little or no snow accumulation expected.

Tonight

A slight chance of rain and snow showers before 9pm. Some thunder is also possible. Partly cloudy, with a low around 28. West southwest wind 7 to 9 mph becoming south after midnight. Chance of precipitation is 20%.

Wednesday

Snow showers likely before 1pm, then rain showers likely. Some thunder is also possible. Mostly cloudy, with a high near 46. South southwest wind 5 to 10 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Wednesday Night

Rain showers before 11pm, then snow showers. Low around 27. South southwest wind 6 to 9 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Thursday

Snow showers. Some thunder is also possible. High near 38. West southwest wind 6 to 9 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Thursday Night

A 30 percent chance of snow showers before midnight. Some thunder is also possible. Mostly cloudy, with a low around 24. West wind 5 to 7 mph becoming calm in the evening.

Friday

A chance of snow showers between noon and 1pm, then a chance of rain showers after 1pm. Some thunder is also possible. Partly sunny, with a high near 48. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%.

Friday Night

Mostly cloudy, with a low around 29.

Saturday

A 50 percent chance of showers and thunderstorms after noon. Snow level rising to 8500 feet in the afternoon. Mostly cloudy, with a high near 51.

Saturday Night

Rain showers likely before 9pm, then rain and snow showers likely between 9pm and midnight, then a chance of snow showers after midnight. Mostly cloudy, with a low around 27. Chance of precipitation is 60%.

Sunday

A chance of rain and snow showers. Some thunder is also possible. Partly sunny, with a high near 49.

Sunday Night

A slight chance of rain and snow showers. Snow level 8000 feet lowering to 7600 feet after midnight . Partly cloudy, with a low around 28.

Memorial Day

Sunny, with a high near 57.