Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Hazardous Weather Conditions

Hydrologic Outlook

Current conditions at

Ravalli County Airport (KHRF)

Lat: 46.25463°NLon: 114.1246°WElev: 3644.0ft.

Mostly Cloudy

45°F

7°C

Humidity	61%
Wind Speed	N 0 MPH
Barometer	30.04 in (1017.27 mb)
Dewpoint	32°F (0°C)
Visibility	10.00 mi
Last update	09 Dec 12:55 PM MST

More Information:

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

Extended Forecast for

Hamilton MT

This Afternoon
High: 43 °F
Slight Chance
Rain
Tonight
Low: 34 °F
Rain then
Rain/Snow
Wednesday
High: 49 °F
Rain
Wednesday Night
Low: 43 °F
Chance Rain
Thursday
High: 47 °F
Rain
Thursday Night
Low: 42 °F
Rain
Friday
High: 48 °F
Rain Likely
then Chance
Rain
Friday Night
Low: 35 °F
Chance Rain
Saturday
High: 47 °F
Slight Chance
Rain then
Partly Sunny

Detailed Forecast

This Afternoon

A 20 percent chance of rain before 2pm. Cloudy, with a high near 43. West southwest wind 11 to 14 mph, with gusts as high as 25 mph.

Tonight

Rain before 2am, then rain and snow. Low around 34. South southeast wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Wednesday

Rain, mainly before 3pm. High near 49. South southeast wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday Night

A 50 percent chance of rain. Mostly cloudy, with a low around 43. South wind around 15 mph, with gusts as high as 31 mph. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday

Rain. High near 47. Southwest wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Night

Rain. Low around 42. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday

Rain likely, mainly before 11am. Mostly cloudy, with a high near 48. Chance of precipitation is 60%.

Friday Night

A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 35.

Saturday

A slight chance of rain before 11am. Partly sunny, with a high near 47.

Saturday Night

Partly cloudy, with a low around 33.

Sunday

A slight chance of rain and snow. Partly sunny, with a high near 47.