Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Mondell Field (KECS)

Lat: 43.89°NLon: 104.32°WElev: 4173ft.

Fair

46°F

8°C

Humidity	34%
Wind Speed	SE 8 mph
Barometer	30.00 in
Dewpoint	19°F (-7°C)
Visibility	10.00 mi
Wind Chill	42°F (6°C)
Last update	24 Dec 6:15 am MST

More Information:

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

Extended Forecast for

Newcastle WY

Today
High: 58 °F
Mostly Sunny
Tonight
Low: 48 °F
Mostly Cloudy
Christmas Day
High: 59 °F
Partly Sunny
Thursday Night
Low: 38 °F
Mostly Clear
Friday
High: 54 °F
Mostly Sunny
Friday Night
Low: 33 °F
Partly Cloudy
Saturday
High: 42 °F
Sunny
Saturday Night
Low: 10 °F
Slight Chance
Snow then
Partly Cloudy
Sunday
High: 27 °F
Sunny

Detailed Forecast

Today

Mostly sunny, with a high near 58. Calm wind becoming southwest around 6 mph in the afternoon.

Tonight

Mostly cloudy, with a steady temperature around 48. Southeast wind around 7 mph.

Christmas Day

Partly sunny, with a high near 59. South wind 7 to 14 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

Thursday Night

Mostly clear, with a low around 38. West wind 6 to 9 mph, with gusts as high as 16 mph.

Friday

Mostly sunny, with a high near 54. West wind 7 to 17 mph, with gusts as high as 28 mph.

Friday Night

Partly cloudy, with a low around 33. Southwest wind 10 to 13 mph, with gusts as high as 22 mph.

Saturday

Sunny, with a high near 42. West wind 10 to 17 mph, with gusts as high as 28 mph.

Saturday Night

A slight chance of snow before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 10. Northwest wind 15 to 17 mph, with gusts as high as 28 mph.

Sunday

Sunny, with a high near 27.

Sunday Night

Partly cloudy, with a low around 15.

Monday

Mostly sunny, with a high near 39.

Monday Night

Partly cloudy, with a low around 24.

Tuesday

Mostly sunny, with a high near 45.