Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Casper, Natrona County International Airport (KCPR)

Lat: 42.8975°NLon: 106.47306°WElev: 5348.0ft.

Partly Cloudy

78°F

26°C

Humidity	29%
Wind Speed	S 5 MPH
Barometer	30.06 in (1017.95 mb)
Dewpoint	44°F (7°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	15 Aug 07:53 PM MDT

More Information:

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

Extended Forecast for

10 Miles SW Mills WY

Tonight
Low: 70 °F
Slight Chance
T-storms then
Mostly Cloudy
and Breezy
Saturday
High: 85 °F
Breezy.
Partly Sunny
then Slight
Chance
T-storms
Saturday Night
Low: 59 °F
Slight Chance
T-storms then
Areas Smoke
Sunday
High: 90 °F
Sunny then
Slight Chance
T-storms
Sunday Night
Low: 58 °F
Mostly Clear
Monday
High: 91 °F
Sunny
Monday Night
Low: 58 °F
Mostly Clear
Tuesday
High: 94 °F
Sunny
Tuesday Night
Low: 61 °F
Mostly Clear

Detailed Forecast

Tonight

A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Mostly cloudy, with a low around 70. Breezy, with a south wind 10 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

Saturday

A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. Breezy, with a south wind 10 to 17 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.

Saturday Night

A 10 percent chance of showers and thunderstorms before 9pm. Areas of smoke between 11pm and 5am. Partly cloudy, with a low around 59. North northwest wind 7 to 10 mph becoming south southeast in the evening.

Sunday

A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 90. West southwest wind around 10 mph, with gusts as high as 20 mph.

Sunday Night

Mostly clear, with a low around 58. West southwest wind 6 to 10 mph becoming east southeast in the evening.

Monday

Sunny, with a high near 91. South wind 7 to 9 mph becoming northwest in the afternoon.

Monday Night

Mostly clear, with a low around 58. North northwest wind around 8 mph becoming southeast after midnight.

Tuesday

Sunny, with a high near 94.

Tuesday Night

Mostly clear, with a low around 61.

Wednesday

Sunny, with a high near 96.