Severe Thunderstorms in the Southern Plains; Coastal Storm to Bring Rain and Wind to New England

Severe thunderstorms are possible across parts of the southern Plains today. Large hail is the main threat, along with some damaging winds. A few instances of 2+ inch diameter hail are possible. A storm system moving north along the New England coast will bring heavy rain and gusty winds to the region through Friday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

MAMMOTH AT YELLOWSTONE NP (YLAW4)

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

37°F

3°C

Humidity	63%
Wind Speed	SSW 4 MPH
Barometer	NA
Dewpoint	26°F (-3°C)
Visibility	NA
Wind Chill	34°F (1°C)
Last update	22 May 05:15 AM MDT

More Information:

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

Extended Forecast for

17 Miles SE Big Sky MT

Today
High: 54 °F
Partly Sunny
then Chance
T-storms and
Breezy
Tonight
Low: 29 °F
Chance
Showers then
Mostly Clear
Friday
High: 54 °F
Sunny then
Chance
Showers
Friday Night
Low: 34 °F
Chance
Showers then
Mostly Cloudy
Saturday
High: 56 °F
Mostly Sunny
then Showers
Likely
Saturday Night
Low: 35 °F
Mostly Clear
Sunday
High: 61 °F
Sunny
Sunday Night
Low: 38 °F
Mostly Clear
Memorial Day
High: 66 °F
Sunny then
Slight Chance
T-storms

Detailed Forecast

Today

A slight chance of showers between 1pm and 3pm, then a chance of showers and thunderstorms after 3pm. Snow level rising to 10100 feet in the afternoon. Partly sunny, with a high near 54. Breezy, with a southeast wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 30%.

Tonight

A 40 percent chance of showers and thunderstorms, mainly before 8pm. Snow level 9700 feet lowering to 7700 feet after midnight . Partly cloudy, with a low around 29. Southwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.

Friday

A 30 percent chance of showers and thunderstorms, mainly after 5pm. Snow level rising to 9500 feet in the afternoon. Mostly sunny, with a high near 54. Light and variable wind becoming west 5 to 10 mph in the morning.

Friday Night

A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 34. West wind 5 to 7 mph becoming calm in the evening.

Saturday

Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 56. Calm wind becoming north 5 to 9 mph in the afternoon. Chance of precipitation is 60%.

Saturday Night

Mostly clear, with a low around 35. North wind 5 to 9 mph becoming calm after midnight.

Sunday

Sunny, with a high near 61. Calm wind becoming north 5 to 8 mph in the afternoon.

Sunday Night

Mostly clear, with a low around 38.

Memorial Day

A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 66.

Monday Night

A 30 percent chance of showers before midnight. Partly cloudy, with a low around 41.

Tuesday

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