Great Falls, Montana Weather

Great Falls is about 215 km east of Missoula, in Montana.

Great Falls sees long, cold winters with heavy mountain snowfall.

The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Great Falls's exact coordinates. No fixed schedule, the page updates whenever you load it.

Yes, use the "View live radar" link on this page for real-time precipitation radar centered on Great Falls.

Yes, where the AQI panel above shows a value. It's sourced from the same live air-quality provider used across TodayWeather. If it reads "not available," air-quality coverage doesn't currently extend to this location.

Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.

Live temperature for Great Falls is shown at the top of this page and refreshes automatically — see the hourly breakdown below for how it changes through the day.

Check the rain chance in the hourly forecast above, or the 16-day outlook for Great Falls further down this page, for the latest precipitation forecast.

The current UV index for Great Falls is shown in the metrics and today's-forecast panels above, along with a plain-language band (low/moderate/high) so you know when sun protection matters.

Live relative humidity for Great Falls is shown in the humidity ring near the top of this page, and again in the detailed metrics further down.