Active Weather Pattern Expected From the Midwest to the Southern Plains; Dangerous Heat Likely in Southern Texas

A strong storm system will bring numerous to widespread severe thunderstorms across portions of the Midwest and Upper Great Lakes Tuesday. Tornadoes (a few strong), damaging winds and large hail are expected. Record high temperatures will be possible over southern Texas the next several days. This may lead to dangerous heat concerns especially for areas already without power. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Riverton Regional Airport (KRIW)

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

Rain

37°F

3°C

Humidity	88%
Wind Speed	N 14 MPH
Barometer	29.92 in (1013.21 mb)
Dewpoint	34°F (1°C)
Visibility	10.00 mi
Wind Chill	28°F (-2°C)
Last update	21 May 03:53 AM MDT

More Information:

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

Extended Forecast for

9 Miles SSE Saint Stephens WY

Overnight
Low: 34 °F
Rain/Snow
Tuesday
High: 45 °F
Rain/Snow
Likely then
Scattered
Showers
Tuesday Night
Low: 35 °F
Partly Cloudy
then Mostly
Clear and
Breezy
Wednesday
High: 64 °F
Mostly Sunny
and Breezy
Wednesday Night
Low: 42 °F
Breezy.
Partly Cloudy
then Isolated
Showers
Thursday
High: 57 °F
Slight Chance
T-storms and
Windy
Thursday Night
Low: 33 °F
Slight Chance
Rain/Snow and
Breezy then
Partly Cloudy
Friday
High: 61 °F
Mostly Sunny
Friday Night
Low: 40 °F
Partly Cloudy

Detailed Forecast

Overnight

Rain and snow. Low around 34. West northwest wind around 10 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Tuesday

Rain and snow showers likely, becoming all rain after 9am. Some thunder is also possible. Cloudy, then gradually becoming mostly sunny, with a high near 45. West northwest wind 8 to 13 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Tuesday Night

Partly cloudy, with a low around 35. Breezy, with a west wind 7 to 15 mph becoming south after midnight. Winds could gust as high as 23 mph.

Wednesday

Mostly sunny, with a high near 64. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

Wednesday Night

Isolated showers after midnight. Partly cloudy, with a low around 42. Breezy, with a south southwest wind 13 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

Thursday

A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 57. Windy, with a west southwest wind 17 to 25 mph, with gusts as high as 38 mph.

Thursday Night

A slight chance of rain showers, mixing with snow after 9pm, then gradually ending. Partly cloudy, with a low around 33. Breezy, with a west northwest wind 16 to 21 mph becoming west southwest 7 to 12 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 20%.

Friday

Mostly sunny, with a high near 61.

Friday Night

Partly cloudy, with a low around 40.

Saturday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70. Breezy.

Saturday Night

A slight chance of showers. Mostly cloudy, with a low around 42. Breezy.

Sunday

A chance of showers and thunderstorms. Mostly sunny, with a high near 65. Breezy.

Sunday Night

A slight chance of showers. Mostly clear, with a low around 41. Breezy.