Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Current conditions at

TROY (TROM8)

Lat: 48.48165°NLon: 115.90507°WElev: 2009.0ft.

34°F

1°C

Humidity	100%
Wind Speed	SSW 1 MPH
Barometer	NA
Dewpoint	34°F (1°C)
Visibility	NA
Last update	24 Dec 03:07 AM MST

More Information:

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

Extended Forecast for

10 Miles N Troy MT

Overnight
Low: 35 °F
Rain
Wednesday
High: 42 °F
Chance Rain
then Rain
Wednesday Night
Low: 35 °F
Rain Likely
then Mostly
Cloudy
Christmas Day
High: 41 °F
Chance
Rain/Snow
Thursday Night
Low: 36 °F
Rain then
Rain/Snow
Friday
High: 39 °F
Rain/Snow
Friday Night
Low: 24 °F
Snow then
Chance Snow
Saturday
High: 30 °F
Slight Chance
Snow then
Mostly Sunny
Saturday Night
Low: 20 °F
Mostly Cloudy

Detailed Forecast

Overnight

Rain, mainly before 5am. Low around 35. Calm wind. Chance of precipitation is 90%.

Wednesday

Rain, mainly before 4pm. High near 42. Calm wind becoming east southeast around 5 mph in the morning. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night

Rain likely, mainly before 9pm. Snow level 6200 feet lowering to 3600 feet after midnight . Cloudy, then gradually becoming partly cloudy, with a low around 35. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%.

Christmas Day

A chance of rain and snow between 11am and 2pm, then a chance of rain after 2pm. Snow level 3500 feet rising to 4700 feet in the afternoon. Mostly cloudy, with a high near 41. Calm wind. Chance of precipitation is 50%. Little or no snow accumulation expected.

Thursday Night

Rain before 5am, then rain, possibly mixed with snow. Snow level 5000 feet lowering to 4000 feet after midnight . Low around 36. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 90%. Little or no snow accumulation expected.

Friday

Rain, possibly mixed with snow, becoming all snow after 2pm. Snow level 3400 feet. High near 39. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Friday Night

Snow, mainly before 11pm. Low around 24. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Saturday

A slight chance of snow before 11am. Mostly sunny, with a high near 30.

Saturday Night

Mostly cloudy, with a low around 20.

Sunday

Mostly cloudy, with a high near 30.

Sunday Night

Mostly cloudy, with a low around 23.

Monday

Mostly cloudy, with a high near 35.