Thunderstorms and Heavy Rainfall in the Southeast, Montana, and Iowa; Lowell Begins to Impact Hawaii

Strong thunderstorms with damaging winds and heavy rain are expected across portions of the Southeast. Thunderstorms may produce large hail across portions of Montana. Heavy rainfall could produce flash flooding across Iowa and vulnerable areas in Utah. Lowell will bring heavy rain, dangerous swells and rip currents to portions of Hawaii. Sweltering heat persists across the South-Central US. Read More >

Current conditions at

OLD FAITHFUL RANGER STATION (OFAW4)

Lat: 44.456667°NLon: 110.849444°WElev: 7332.0ft.

63°F

17°C

Humidity	50%
Wind Speed	S 1 MPH
Barometer	NA
Dewpoint	44°F (7°C)
Visibility	NA
Last update	06 Sep 10:15 AM MDT

More Information:

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

Extended Forecast for

Old Faithful WY

Today
High: 72 °F
Mostly Sunny
Tonight
Low: 39 °F
Severe
Thunderstorms
then Showers
and Patchy
Fog
Labor Day
High: 56 °F
Showers
Likely then
Slight Chance
T-storms and
Breezy
Monday Night
Low: 31 °F
Mostly Clear
Tuesday
High: 60 °F
Sunny
Tuesday Night
Low: 31 °F
Mostly Clear
Wednesday
High: 66 °F
Sunny
Wednesday Night
Low: 37 °F
Mostly Clear
Thursday
High: 67 °F
Sunny

Detailed Forecast

Today

Mostly sunny, with a high near 72. South southwest wind around 7 mph.

Tonight

Showers and thunderstorms before 4am, then showers and possibly a thunderstorm, mainly after 4am. Some of the storms could be severe. Patchy fog between 1am and 4am. Low around 39. South southwest wind around 6 mph becoming calm. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Labor Day

Showers and thunderstorms likely, mainly before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 56. Breezy, with a southwest wind 5 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday Night

Mostly clear, with a low around 31. Southwest wind 9 to 14 mph becoming light south southwest after midnight. Winds could gust as high as 31 mph.

Tuesday

Sunny, with a high near 60. West southwest wind 3 to 7 mph. Winds could gust as high as 20 mph.

Tuesday Night

Mostly clear, with a low around 31. West southwest wind around 5 mph becoming calm in the evening.

Wednesday

Sunny, with a high near 66. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.

Wednesday Night

Mostly clear, with a low around 37.

Thursday

Sunny, with a high near 67.