Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Hydrologic Outlook

Current conditions at

Alpine (K46U)

Lat: 43.1846°NLon: 111.0424°WElev: 5634.0ft.

Partly Cloudy

55°F

13°C

Humidity	87%
Wind Speed	ESE 10 MPH
Barometer	30.27 in (1025.06 mb)
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Last update	18 Sep 12:15 PM MDT

More Information:

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

Extended Forecast for

Etna WY

This Afternoon
High: 69 °F
Severe
Thunderstorms
Tonight
Low: 41 °F
Severe
Thunderstorms
and Patchy
Fog
Saturday
High: 60 °F
Showers and
Patchy Fog
Saturday Night
Low: 36 °F
Chance
Showers and
Patchy Fog
then Patchy
Fog
Sunday
High: 64 °F
Partly Sunny
Sunday Night
Low: 36 °F
Mostly Clear
Monday
High: 72 °F
Sunny
Monday Night
Low: 39 °F
Partly Cloudy
Tuesday
High: 73 °F
Mostly Sunny

Detailed Forecast

This Afternoon

Showers and possibly a thunderstorm. Some of the storms could be severe. High near 69. Light south southeast wind. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am. Some of the storms could be severe. Patchy fog after 9pm. Low around 41. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

Showers and thunderstorms, mainly before 4pm, then showers and possibly a thunderstorm after 5pm. Patchy fog before 11am. High near 60. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

A 30 percent chance of showers and thunderstorms before 9pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 36. Light and variable wind.

Sunday

Partly sunny, with a high near 64. Calm wind.

Sunday Night

Mostly clear, with a low around 36. Light north wind.

Monday

Sunny, with a high near 72. Calm wind.

Monday Night

Partly cloudy, with a low around 39.

Tuesday

Mostly sunny, with a high near 73.

Tuesday Night

A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 41. Chance of precipitation is 20%.