Significant Severe Weather in the Upper Midwest; Blizzard Conditions in the Cascades; Heavy Rain and Thunderstorms in Hawaii

Significant severe thunderstorms, including the risk for strong to intense tornadoes, are expected across the Upper Midwest this afternoon and evening. An atmospheric river will bring blizzard conditions to the northern Cascades. A powerful Kona storm is expected to impact Hawaii today into Saturday, bringing heavy rainfall and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

Riverton Regional Airport (KRIW)

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

Partly Cloudy

39°F

4°C

Humidity	41%
Wind Speed	SW 14 MPH
Barometer	29.75 in (1007.45 mb)
Dewpoint	17°F (-8°C)
Visibility	10.00 mi
Wind Chill	31°F (-1°C)
Last update	10 Mar 02:05 PM MDT

More Information:

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

Extended Forecast for

14 Miles S Saint Stephens WY

High Wind Watch March 12, 09:00am until March 12, 09:00pm

Click here for hazard details and duration

High Wind Watch

This Afternoon
High: 41 °F
Mostly Cloudy
and Windy
Tonight
Low: 18 °F
Slight Chance
Snow Showers
and Windy
Wednesday
High: 43 °F
Sunny then
Sunny and
Breezy
Wednesday Night
Low: 32 °F
Partly Cloudy
and Breezy
Thursday
High: 57 °F
Partly Sunny
and Windy
Thursday Night
Low: 40 °F
Mostly Cloudy
and Windy
Friday
High: 60 °F
Partly Sunny
and Windy
Friday Night
Low: 42 °F
Mostly Cloudy
and Windy
Saturday
High: 57 °F
Chance
Showers and
Very Windy

Detailed Forecast

This Afternoon

Mostly cloudy, with a high near 41. Windy, with a west wind 20 to 25 mph increasing to 26 to 31 mph. Winds could gust as high as 46 mph.

Tonight

A slight chance of snow showers between 7pm and 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 18. Windy, with a west wind 18 to 28 mph decreasing to 7 to 17 mph after midnight. Winds could gust as high as 43 mph. Chance of precipitation is 20%.

Wednesday

Sunny, with a high near 43. Breezy, with a southwest wind 7 to 17 mph, with gusts as high as 26 mph.

Wednesday Night

Partly cloudy, with a low around 32. Breezy, with a south southwest wind 18 to 23 mph, with gusts as high as 29 mph.

Thursday

Partly sunny, with a high near 57. Windy, with a west wind 23 to 28 mph increasing to 29 to 34 mph in the afternoon. Winds could gust as high as 50 mph.

Thursday Night

Mostly cloudy, with a low around 40. Windy, with a southwest wind 28 to 33 mph decreasing to 21 to 26 mph after midnight. Winds could gust as high as 45 mph.

Friday

Partly sunny, with a high near 60. Windy, with a west wind 21 to 29 mph, with gusts as high as 44 mph.

Friday Night

Mostly cloudy, with a low around 42. Windy.

Saturday

A 30 percent chance of showers, mainly after noon. Partly sunny, with a high near 57. Very windy.

Saturday Night

Rain and snow showers likely, becoming all snow after midnight. Mostly cloudy, with a low around 19. Windy. Chance of precipitation is 60%.

Sunday

A slight chance of snow showers. Partly sunny, with a high near 37.

Sunday Night

Mostly cloudy, with a low around 21.