Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

31°F

-1°C

Humidity	100%
Wind Speed	N 1 MPH
Barometer	NA
Dewpoint	31°F (-1°C)
Visibility	NA
Last update	01 Apr 02:15 AM MDT

More Information:

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

Extended Forecast for

5 Miles ESE Mount Holmes WY

Winter Storm Watch April 1, 11:00pm until April 3, 06:00pm

Click here for hazard details and duration

Winter Storm Watch

Overnight
Low: 31 °F
Chance Snow
Showers
Wednesday
High: 40 °F
Chance Snow
Showers then
Rain/Snow
Likely
Wednesday Night
Low: 29 °F
Rain/Snow
Likely then
Snow Showers
Thursday
High: 34 °F
Snow Showers
and Breezy
Thursday Night
Low: 19 °F
Snow Showers
Friday
High: 33 °F
Snow Showers
Friday Night
Low: 17 °F
Partly Cloudy
Saturday
High: 42 °F
Sunny
Saturday Night
Low: 20 °F
Mostly Clear

Detailed Forecast

Overnight

A 40 percent chance of snow showers. Cloudy, with a low around 31. South southwest wind 3 to 5 mph. Total nighttime snow accumulation of less than a half inch possible.

Wednesday

A chance of snow showers before 1pm, then rain and snow showers likely. Some thunder is also possible. Partly sunny, with a high near 40. Light south southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Wednesday Night

Rain and snow showers likely before midnight, then snow showers. Some thunder is also possible. Low around 29. South southwest wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

Thursday

Snow showers. Some thunder is also possible. High near 34. Breezy, with a southwest wind 11 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Thursday Night

Snow showers. Low around 19. West northwest wind 8 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Friday

Snow showers. High near 33. West northwest wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

Friday Night

Partly cloudy, with a low around 17. West northwest wind 5 to 9 mph becoming light and variable. Winds could gust as high as 21 mph.

Saturday

Sunny, with a high near 42.

Saturday Night

Mostly clear, with a low around 20.

Sunday

Sunny, with a high near 47.

Sunday Night

Partly cloudy, with a low around 24.