Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Hazardous Weather Conditions

Freeze Warning in effect from May 19, 09:00 PM MDT until May 20, 08:00 AM MDT

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

48°F

9°C

Humidity	31%
Wind Speed	ESE 6 MPH
Barometer	30.2 in (1022.69 mb)
Dewpoint	19°F (-7°C)
Visibility	10.00 mi
Wind Chill	45°F (7°C)
Last update	19 May 01:05 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

Freeze Warning May 19, 09:00pm until May 20, 08:00am

Click here for hazard details and duration

Freeze Warning

This Afternoon
High: 38 °F
Sunny
Tonight
Low: 28 °F
Mostly Clear
and Breezy
Wednesday
High: 51 °F
Mostly Sunny
then Sunny
and Breezy
Wednesday Night
Low: 37 °F
Partly Cloudy
and Breezy
then Partly
Cloudy
Thursday
High: 47 °F
Chance
Rain/Snow
then
Rain/Snow
Thursday Night
Low: 33 °F
Chance
Showers then
Chance
Rain/Snow
Friday
High: 56 °F
Mostly Sunny
Friday Night
Low: 38 °F
Partly Cloudy
Saturday
High: 65 °F
Sunny

Detailed Forecast

This Afternoon

Sunny, with a high near 38. South southwest wind 9 to 13 mph, with gusts as high as 22 mph.

Tonight

Mostly clear, with a low around 28. Breezy, with a south southeast wind 10 to 20 mph, with gusts as high as 28 mph.

Wednesday

Mostly sunny, with a high near 51. Breezy, with a southwest wind 6 to 15 mph, with gusts as high as 25 mph.

Wednesday Night

Partly cloudy, with a low around 37. Breezy, with a south wind 10 to 15 mph, with gusts as high as 23 mph.

Thursday

Rain, possibly mixed with snow showers, becoming all rain after 3pm. Some thunder is also possible. High near 47. South wind 9 to 14 mph becoming north in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Thursday Night

A chance of rain showers before midnight, then a chance of rain and snow showers. Mostly cloudy, with a low around 33. North wind 6 to 13 mph becoming southwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 50%.

Friday

Mostly sunny, with a high near 56. South southwest wind around 6 mph becoming northeast in the afternoon.

Friday Night

Partly cloudy, with a low around 38.

Saturday

Sunny, with a high near 65.

Saturday Night

Mostly clear, with a low around 45.

Sunday

Sunny, with a high near 71.

Sunday Night

Mostly clear, with a low around 48.