Heavy Rain and Flash Flooding Threat in Montana; Severe Thunderstorms in the Middle Missouri Valley

A low pressure system will bring heavy to excessive rainfall and high winds across Montana this afternoon. Heavy rainfall totals may lead to scattered flash flooding concerns. A line of showers and strong to severe thunderstorms will move into the mid Missouri Valley region this afternoon producing severe winds and isolated large hail with stronger storms. Read More >

Hazardous Weather Conditions

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

Clear

70°F

21°C

Humidity	26%
Wind Speed	SW 37 MPH
Barometer	29.78 in (1008.47 mb)
Dewpoint	34°F (1°C)
Visibility	10.00 mi
Last update	18 Sep 01:20 PM MDT

More Information:

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

Extended Forecast for

Casper WY

High Wind Warning September 18, 01:35pm until September 18, 04:00pm

Click here for hazard details and duration

High Wind Warning

High Wind Warning September 18, 01:35pm until September 18, 04:00pm
NOW until 4:00pm Wed
High Wind Warning
This Afternoon
High: 70 °F
Sunny and
Very Windy
Tonight
Low: 47 °F
Mostly Clear
and Windy
Thursday
High: 75 °F
Sunny
Thursday Night
Low: 47 °F
Mostly Clear
Friday
High: 81 °F
Sunny
Friday Night
Low: 46 °F
Partly Cloudy
then Slight
Chance
Showers
Saturday
High: 66 °F
Chance
Showers
Saturday Night
Low: 40 °F
Slight Chance
Showers

Detailed Forecast

This Afternoon

Sunny, with a high near 70. Very windy, with a west southwest wind 31 to 36 mph, with gusts as high as 55 mph.

Tonight

Mostly clear, with a low around 47. Windy, with a west southwest wind 21 to 26 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 40 mph.

Thursday

Sunny, with a high near 75. West wind 10 to 13 mph.

Thursday Night

Mostly clear, with a low around 47. West wind 5 to 13 mph becoming northeast in the evening.

Friday

Sunny, with a high near 81. Southwest wind 6 to 14 mph, with gusts as high as 24 mph.

Friday Night

A 20 percent chance of showers after midnight. Partly cloudy, with a low around 46. West wind 8 to 11 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.

Saturday

A 30 percent chance of showers. Mostly sunny, with a high near 66. Northeast wind 8 to 13 mph, with gusts as high as 22 mph.

Saturday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 40.

Sunday

A 30 percent chance of showers, mainly before noon. Mostly sunny, with a high near 65.

Sunday Night

Partly cloudy, with a low around 40.

Monday

Mostly sunny, with a high near 71.

Monday Night

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