National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

Georgetown (ITD33)

Lat: 42.52792°NLon: 111.40374°WElev: 6283.0ft.

NA

38°F

3°C

Humidity 64%
Wind Speed NNW 3 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility 1.24 mi
Last update 09 Dec 03:00 AM MST
Extended Forecast for

9 Miles NNE Montpelier ID

  • Overnight

    Overnight: A 30 percent chance of snow, mainly after 5am. Cloudy, with a steady temperature around 27. West southwest wind around 10 mph. Total nighttime snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance Snow

  • Tuesday

    Tuesday: Snow. High near 30. West wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 30 °F

    Snow

  • Tuesday Night

    Tuesday Night: Snow. Temperature rising to around 32 by 5am. West wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 28 °F⇑

    Snow

  • Wednesday

    Wednesday: Snow likely before 2pm, then a chance of rain and snow. Mostly cloudy, with a high near 33. West wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Snow Likely
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25. West wind 7 to 10 mph.

    Low: 25 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of snow, mainly after 5am. Cloudy, with a steady temperature around 27. West southwest wind around 10 mph. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
Snow. High near 30. West wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Tuesday Night
Snow. Temperature rising to around 32 by 5am. West wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Snow likely before 2pm, then a chance of rain and snow. Mostly cloudy, with a high near 33. West wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly cloudy, with a low around 25. West wind 7 to 10 mph.
Thursday
Mostly sunny, with a high near 32.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Mostly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 30.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 29.
Sunday Night
Partly cloudy, with a low around 22.
Monday
A 20 percent chance of snow. Partly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNE Montpelier ID
 42.46°N 111.27°W (Elev. 8596 ft)
Last Update:
1:03 am MST Dec 9, 2025
Forecast Valid:
3am MST Dec 9, 2025-6pm MST Dec 15, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation