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 01:07 AM MST

More Information:

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

Extended Forecast for

4 Miles SW Troy MT

Overnight
Low: 35 °F
Rain
Wednesday
High: 42 °F
Chance Rain
then Rain
Wednesday Night
Low: 34 °F
Rain Likely
then Partly
Cloudy
Christmas Day
High: 41 °F
Rain/Snow
Likely then
Rain Likely
Thursday Night
Low: 35 °F
Rain
Friday
High: 39 °F
Rain/Snow
Friday Night
Low: 24 °F
Snow then
Chance Snow
Saturday
High: 31 °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 south around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

Rain likely, mainly before 8pm. Snow level 6300 feet lowering to 3500 feet after midnight . Mostly cloudy, with a low around 34. Light southwest wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Christmas Day

A slight chance of rain and snow before 11am, then rain likely. Snow level 3500 feet rising to 4800 feet in the afternoon. Increasing clouds, with a high near 41. Calm wind. Chance of precipitation is 60%. Little or no snow accumulation expected.

Thursday Night

Rain. Snow level 5200 feet lowering to 4100 feet after midnight . Low around 35. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday

Rain likely before 8am, then rain and snow. Snow level 3800 feet lowering to 3300 feet in the afternoon . 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 2 inches possible.

Saturday

A slight chance of snow before 11am. Mostly sunny, with a high near 31.

Saturday Night

Mostly cloudy, with a low around 20.

Sunday

Mostly cloudy, with a high near 32.

Sunday Night

Mostly cloudy, with a low around 23.

Monday

Mostly cloudy, with a high near 36.