Areas of Severe Thunderstorms and Excessive Rainfall; Heat Wave Builds in the Intermountain West and Plains

A slow moving front will bring rounds of strong to severe thunderstorms and heavy rainfall to the central Plains eastward to the east-central U.S.. The first widespread significant heat wave of summer for the Intermountain West and Plains is expected to develop today and expand through next week. Dangerous heat will continue to impact portions of the Southwest and Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

91°F

33°C

Humidity	10%
Wind Speed	E 3 MPH
Barometer	30.02 in (1016.59 mb)
Dewpoint	28°F (-2°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	10 Jul 03:53 PM MDT

More Information:

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

Extended Forecast for

12 Miles ESE Saint Stephens WY

Fire Weather Watch July 12, 11:00am until July 12, 10:00pm

Extreme Heat Warning July 11, 12:00pm until July 13, 09:00pm

Click here for hazard details and duration

Fire Weather Watch

Extreme Heat Warning

This Afternoon
High: 88 °F
Sunny
Tonight
Low: 63 °F
Mostly Clear
Saturday
High: 95 °F
Sunny
Saturday Night
Low: 65 °F
Mostly Clear
Sunday
High: 99 °F
Hot
Sunday Night
Low: 66 °F
Mostly Clear
and Breezy
Monday
High: 98 °F
Hot
Monday Night
Low: 67 °F
Mostly Clear
and Breezy
then Mostly
Clear
Tuesday
High: 98 °F
Hot

Detailed Forecast

This Afternoon

Sunny, with a high near 88. Northwest wind around 7 mph.

Tonight

Mostly clear, with a low around 63. Northwest wind 5 to 7 mph becoming south after midnight.

Saturday

Sunny, with a high near 95. South wind 5 to 9 mph becoming north northwest in the afternoon.

Saturday Night

Mostly clear, with a low around 65. North northwest wind 5 to 9 mph becoming south southeast in the evening.

Sunday

Sunny and hot, with a high near 99. Light south wind becoming southeast 6 to 11 mph in the afternoon.

Sunday Night

Mostly clear, with a low around 66. Breezy, with a southeast wind 16 to 21 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 32 mph.

Monday

Sunny and hot, with a high near 98. South wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

Monday Night

Mostly clear, with a low around 67. Breezy.

Tuesday

Sunny and hot, with a high near 98.

Tuesday Night

Mostly clear, with a low around 65. Breezy.

Wednesday

Sunny, with a high near 94.

Wednesday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 63.