Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

47°F

8°C

Humidity	49%
Wind Speed	W 4 MPH
Barometer	NA
Dewpoint	29°F (-2°C)
Visibility	NA
Wind Chill	45°F (7°C)
Last update	18 Jun 12:15 AM MDT

More Information:

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

Extended Forecast for

Gardiner MT

Overnight
Low: 44 °F
Clear
Thursday
High: 79 °F
Sunny then
Sunny and
Breezy
Thursday Night
Low: 45 °F
Mostly Clear
and Breezy
then Mostly
Clear
Juneteenth
High: 86 °F
Decreasing
Clouds
Friday Night
Low: 53 °F
Mostly Cloudy
Saturday
High: 77 °F
Chance
Showers then
Showers
Saturday Night
Low: 49 °F
Showers then
Mostly Cloudy
Sunday
High: 78 °F
Mostly Sunny
then Chance
T-storms
Sunday Night
Low: 47 °F
Chance
T-storms then
Partly Cloudy

Detailed Forecast

Overnight

Clear, with a low around 44. Light and variable wind.

Thursday

Sunny, with a high near 79. Breezy, with a light and variable wind becoming northwest 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph.

Thursday Night

Mostly clear, with a low around 45. Breezy, with a northwest wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 24 mph.

Juneteenth

Mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

Friday Night

Mostly cloudy, with a low around 53. West northwest wind 5 to 7 mph becoming calm in the evening.

Saturday

A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers and possibly a thunderstorm after noon. High near 77. Calm wind becoming west around 5 mph. Chance of precipitation is 90%.

Saturday Night

Showers and possibly a thunderstorm before midnight. Low around 49. Light and variable wind. Chance of precipitation is 80%.

Sunday

A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.

Sunday Night

A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 47.

Monday

A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 79.

Monday Night

Mostly clear, with a low around 46.

Tuesday

Sunny, with a high near 86.