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7-Day Snow Forecast:

A big week for the Western U.S. will continue as a storm system moves slowly and pulls down cold air from Canada. This will bring favorable powder through the Central Rockies and into the Southwest, which needs some late-season snow! The highest snow totals will be over 3 feet, and are favored to be in southern Colorado. After Sunday, April 6, drier and warmer weather will move into the West.

More details from our local experts...

• Colorado
• Mammoth
• Montana
• New Mexico
• Utah

In the East, a wet and warm weather pattern will start the forecast period with rain and mixed precipitation. Snow will stay around the U.S.-Canada border and to the north. Mixed precipitation could bring hazardous ice accumulations to southern Ontario, southern Quebec, and New England. Colder air will move in after Sunday, April 6, with northerly flow bringing favorable snow shower conditions. 

More details from our local experts:

• New England
• Midwest
• Mid-Atlantic

Forecast for Wed (Apr 2) to Thu (Apr 3):

Northerly flow in the Western U.S. will keep snow falling in the Northwest, with the heaviest snow in Montana. The storm in the Central Rockies will become semi-stationary and continue to bring powder. The Southwest will finally see some snow from this storm!

The Eastern U.S. storm track will continue to lift north and limit cold air to the Upper Midwest and Canada. This storm will bring mixed precipitation to southern Ontario, southern Quebec, and New England. Hazardous ice accumulations are possible with a changeover to rain expected on Thursday.

Forecast for Fri (Apr 4) to Sat (Apr 5):

The storm in the Central Rockies will become a cutoff low and remain semi-stationary. This part of the storm cycle will bring the heaviest snow yet to southern Colorado and New Mexico, with several feet of snow expected. The Northwest will become quiet as the storm track shifts north with heavy coastal snow in Alaska.

In the East, warm southerly flow will transport high amounts of moisture from the South-Central Plains into the Mid-Atlantic and New England. Locally heavy amounts of rain (>4 inches) and thunderstorms are likely.  A few areas of snow are likely in New England on Saturday evening, before warm air changes snow to rain on Sunday.

Forecast for Sun (Apr 6) to Mon (Apr 7):

Quieter weather will move into the U.S. The storm in the East will continue to bring warm air and rain through southern Canada. The backside of this storm will pull down cold air on Monday, which will bring a few snow showers and significantly change the weather through next week.

The West will become quiet with dry and warming conditions. The storm track will lift north into Alaska and British Columbia. A few rain and snow showers are possible in the PNW, but they will bring minimal impacts.

Outlook for Tue (Apr 8) to Sun (Apr 13): 

The West will continue to see quiet weather in the extended forecast associated with an upper-level ridge and high-pressure system. Storms will track north into Alaska and British Columbia, with a couple of precipitation chances in the PNW.

The East will have a sharp change in the weather pattern with northerly flow bringing cold air and scattered snow showers. A few late-season lake effect snow showers are likely with this pattern, and a storm could bring areas of rain and snow to the Midwest and New England.

Thanks so much for reading! Next update on Friday (April 4).

Zach Butler

NEW: Forecast Range Graphs

You can now view individual forecasts from global and regional high-resolution weather models in OpenSnow. This includes forecasts from the GFS, ECMWF, HRRR, and ICON models, as well as the OpenSnow blend.

The graphs give you a behind-the-scenes look at the forecast and make it easier to see if the forecast models are in tight agreement or if there is a wide range of potential outcomes over the next 10 days.

Note: This is currently only available in the OpenSnow iOS app and website (OpenSnow.com). Android will be available soon.

Getting Started

1. Go to any location screen.
2. Scroll down under "Weather" or "Snow Summary".
3. Tap "View Interactive Chart" in the app.
4. Adjust the model, timeframe, or data view.

Why is the Forecast Range helpful?

Understand if there is high or low confidence in the forecast. If all models show a similar forecast, there is higher confidence in the forecast, and vice versa.

Dig into the details. If you have experience looking at weather model data and trust certain models or higher-resolution models, you'll be able to isolate your favorite data.

View → Forecast Range Graphs