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September Climate Summary for Central and Western Wyoming

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

64°F

18°C

Humidity	38%
Wind Speed	SSE 5 MPH
Barometer	NA
Dewpoint	37°F (3°C)
Visibility	NA
Last update	03 Oct 11:15 AM MDT

More Information:

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

Extended Forecast for

3 Miles WNW Mammoth Hot Springs WY

This Afternoon
High: 59 °F
Isolated
Showers and
Breezy
Tonight
Low: 36 °F
Isolated
T-storms then
Scattered
Showers
Saturday
High: 41 °F
Showers then
Rain/Snow and
Breezy
Saturday Night
Low: 32 °F
Snow Showers
Sunday
High: 36 °F
Snow Showers
Sunday Night
Low: 27 °F
Chance Snow
Showers then
Mostly Cloudy
Monday
High: 45 °F
Sunny
Monday Night
Low: 29 °F
Clear
Tuesday
High: 50 °F
Sunny

Detailed Forecast

This Afternoon

Isolated showers after 4pm. Sunny, with a high near 59. Breezy, with a south southwest wind 9 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

Tonight

Scattered showers and thunderstorms, mainly after 1am. Increasing clouds, with a low around 36. South southwest wind 7 to 14 mph becoming west northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 40%.

Saturday

Rain showers before 2pm, then rain and snow showers between 2pm and 5pm, then snow showers after 5pm. Some thunder is also possible. Snow level 10400 feet lowering to 8100 feet in the afternoon . High near 41. Breezy, with a northwest wind 7 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Saturday Night

Snow showers. Low around 32. North northwest wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Sunday

Snow showers. High near 36. North wind 6 to 8 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Sunday Night

A 30 percent chance of snow showers before midnight. Mostly cloudy, with a low around 27. North wind 5 to 8 mph becoming light and variable after midnight.

Monday

Sunny, with a high near 45. Calm wind becoming west northwest around 5 mph in the afternoon.

Monday Night

Clear, with a low around 29.

Tuesday

Sunny, with a high near 50.

Tuesday Night

Clear, with a low around 34.

Wednesday

Sunny, with a high near 52.

Wednesday Night

Mostly clear, with a low around 35.