Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

42°F

6°C

Humidity	73%
Wind Speed	SE 5 MPH
Barometer	NA
Dewpoint	34°F (1°C)
Visibility	NA
Wind Chill	39°F (4°C)
Last update	29 Jun 01:15 AM MDT

More Information:

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

Extended Forecast for

10 Miles NNW Mount Holmes WY

Overnight
Low: 33 °F
Snow Showers
and Breezy
Monday
High: 37 °F
Breezy. Snow
Showers then
Rain/Snow
Monday Night
Low: 36 °F
Chance
Showers then
Mostly Cloudy
Tuesday
High: 53 °F
Partly Sunny
then Slight
Chance
T-storms
Tuesday Night
Low: 36 °F
Partly Cloudy
Wednesday
High: 55 °F
Sunny then
Chance
T-storms
Wednesday Night
Low: 37 °F
Slight Chance
T-storms then
Partly Cloudy
Thursday
High: 59 °F
Sunny then
Mostly Sunny
and Breezy
Thursday Night
Low: 41 °F
Partly Cloudy

Detailed Forecast

Overnight

Snow showers, mainly after 3am. Steady temperature around 33. Breezy, with a south southwest wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than one inch possible.

Monday

Rain, possibly mixed with snow showers, becoming all rain after 3pm. Some thunder is also possible. High near 37. Breezy, with a south southwest wind 14 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Monday Night

A 40 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 36. South southwest wind 7 to 14 mph, with gusts as high as 20 mph.

Tuesday

A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 53. South southwest wind 6 to 11 mph.

Tuesday Night

Partly cloudy, with a low around 36. South wind 5 to 11 mph.

Wednesday

A 30 percent chance of showers and thunderstorms after noon. Sunny, with a high near 55. Southwest wind 5 to 14 mph, with gusts as high as 20 mph.

Wednesday Night

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 37. Southwest wind 6 to 11 mph becoming south southeast after midnight. Winds could gust as high as 23 mph.

Thursday

Mostly sunny, with a high near 59. Breezy.

Thursday Night

Partly cloudy, with a low around 41.

Friday

A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 59. Breezy.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 40.

Independence Day

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 60.

Saturday Night

Mostly clear, with a low around 40.