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

WY28 - South Pass (KSOU)

Lat: 42.47752°NLon: 108.8444°WElev: 8196.0ft.

30°F

-1°C

Humidity	91%
Wind Speed	SE 4 MPH
Barometer	NA
Dewpoint	28°F (-2°C)
Visibility	1.24 mi
Wind Chill	26°F (-3°C)
Last update	21 May 07:56 AM MDT

More Information:

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

Extended Forecast for

18 Miles SE Boulder WY

Today
High: 43 °F
Scattered
Rain/Snow and
Breezy
Tonight
Low: 29 °F
Isolated
Rain/Snow
then Mostly
Clear
Wednesday
High: 58 °F
Partly Sunny
then Isolated
T-storms and
Breezy
Wednesday Night
Low: 32 °F
Scattered
Showers and
Breezy then
Scattered
Rain/Snow
Thursday
High: 48 °F
Chance Snow
Showers and
Breezy
Thursday Night
Low: 27 °F
Partly Cloudy
and Blustery
then Partly
Cloudy
Friday
High: 56 °F
Mostly Sunny
then Slight
Chance
T-storms
Friday Night
Low: 32 °F
Partly Cloudy
Saturday
High: 63 °F
Mostly Sunny
then Chance
Showers and
Breezy

Detailed Forecast

Today

A slight chance of rain and snow showers before 11am, then scattered rain showers between 11am and 2pm, then scattered rain and snow showers after 2pm. Some thunder is also possible. Partly sunny, with a high near 43. Breezy, with a west northwest wind 7 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Tonight

A slight chance of rain and snow showers before 9pm. Some thunder is also possible. Partly cloudy, with a low around 29. North wind 5 to 14 mph becoming east northeast in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 20%.

Wednesday

Isolated showers and thunderstorms after noon. Partly sunny, with a high near 58. Breezy, with a light and variable wind becoming west southwest 18 to 23 mph in the morning. Winds could gust as high as 34 mph. Chance of precipitation is 20%.

Wednesday Night

Scattered rain showers before 2am, then scattered rain and snow showers between 2am and 4am, then scattered snow showers after 4am. Mostly cloudy, with a low around 32. Breezy, with a west southwest wind 19 to 24 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Thursday

A 30 percent chance of snow showers. Some thunder is also possible. Partly sunny, with a high near 48. Breezy, with a west wind 14 to 24 mph, with gusts as high as 37 mph.

Thursday Night

Partly cloudy, with a low around 27. Blustery, with a west northwest wind 16 to 21 mph becoming light north northwest after midnight. Winds could gust as high as 31 mph.

Friday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 56. Light and variable wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 21 mph.

Friday Night

Partly cloudy, with a low around 32.

Saturday

A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 63. Breezy.

Saturday Night

A chance of rain showers before 2am, then a chance of rain and snow showers. Mostly cloudy, with a low around 34. Breezy. Chance of precipitation is 30%.

Sunday

A chance of rain and snow showers. Some thunder is also possible. Mostly sunny, with a high near 57. Breezy.

Sunday Night

Mostly clear, with a low around 33. Breezy.

Memorial Day

Sunny, with a high near 66.