Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Riverton Regional Airport (KRIW)

Lat: 43.06219°NLon: 108.44701°WElev: 5443.0ft.

Clear

47°F

8°C

Humidity	32%
Wind Speed	W 16 MPH
Barometer	30.03 in (1016.93 mb)
Dewpoint	19°F (-7°C)
Visibility	10.00 mi
Wind Chill	41°F (5°C)
Last update	08 Dec 01:53 PM MST

More Information:

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

Extended Forecast for

3 Miles WNW Arapahoe WY

This Afternoon
High: 45 °F
Partly Sunny
Tonight
Low: 28 °F
Mostly Cloudy
then Mostly
Cloudy and
Breezy
Tuesday
High: 52 °F
Partly Sunny
Tuesday Night
Low: 25 °F
Slight Chance
Rain/Snow
Wednesday
High: 54 °F
Slight Chance
Showers then
Partly Sunny
Wednesday Night
Low: 32 °F
Mostly Cloudy
Thursday
High: 56 °F
Mostly Sunny
Thursday Night
Low: 26 °F
Mostly Cloudy
Friday
High: 48 °F
Partly Sunny

Detailed Forecast

This Afternoon

Partly sunny, with a high near 45. Southwest wind 6 to 8 mph.

Tonight

Mostly cloudy, with a low around 28. Breezy, with a south southwest wind 5 to 15 mph, with gusts as high as 23 mph.

Tuesday

Partly sunny, with a high near 52. Calm wind becoming west northwest 5 to 9 mph in the afternoon.

Tuesday Night

A slight chance of rain and snow showers after 11pm. Partly cloudy, with a low around 25. Northwest wind 6 to 9 mph becoming south in the evening. Chance of precipitation is 20%.

Wednesday

A 20 percent chance of showers before 11am. Partly sunny, with a high near 54. Southwest wind 6 to 9 mph.

Wednesday Night

Mostly cloudy, with a low around 32. Southwest wind around 10 mph.

Thursday

Mostly sunny, with a high near 56. Southwest wind 6 to 9 mph.

Thursday Night

Mostly cloudy, with a low around 26.

Friday

Partly sunny, with a high near 48.

Friday Night

Partly cloudy, with a low around 28.