Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. 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.

Clear

73°F

23°C

Humidity	33%
Wind Speed	E 6 MPH
Barometer	30.08 in (1018.63 mb)
Dewpoint	43°F (6°C)
Visibility	10.00 mi
Last update	17 Aug 08:05 PM MDT

More Information:

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

Extended Forecast for

4 Miles E Natrona WY

Tonight
Low: 54 °F
Slight Chance
T-storms then
Partly Cloudy
Monday
High: 88 °F
Sunny
Monday Night
Low: 53 °F
Mostly Clear
Tuesday
High: 93 °F
Sunny
Tuesday Night
Low: 57 °F
Mostly Clear
Wednesday
High: 95 °F
Sunny
Wednesday Night
Low: 58 °F
Mostly Clear
Thursday
High: 88 °F
Sunny then
Slight Chance
T-storms
Thursday Night
Low: 55 °F
Slight Chance
T-storms then
Partly Cloudy

Detailed Forecast

Tonight

A 10 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 54. Calm wind becoming west southwest around 6 mph after midnight.

Monday

Sunny, with a high near 88. West southwest wind 6 to 11 mph.

Monday Night

Mostly clear, with a low around 53. Northwest wind 5 to 9 mph becoming light and variable after midnight.

Tuesday

Sunny, with a high near 93. Light and variable wind becoming southeast 5 to 8 mph in the morning.

Tuesday Night

Mostly clear, with a low around 57. East southeast wind 6 to 10 mph becoming south after midnight.

Wednesday

Sunny, with a high near 95. South wind 6 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.

Wednesday Night

Mostly clear, with a low around 58. West wind 7 to 9 mph.