Great Falls weather — 10-day forecast

Temperature, rain, wind and feels-like in Great Falls, hour by hour and over 10 days, with the seasonal normal for context.

Now

Reading from 22:00 · NOAA HRRR model

24 °C

Partly cloudy

Feels like 28 °C

1.4 km/hforce 0

Next 12 h

  • 2224°
  • 2324°
  • 0023°
  • 0123°
  • 0223°
  • 0323°
  • 0422°
  • 0522°
  • 0622°
  • 06:17Sunrise
  • 0722°
  • 0825°
  • 0927°
  • 1029°

22°06:00 29°10:00

Humidity
84 %
Dew point
21 °C
Gusts
8.5 km/h
Clouds
57 %
Pressure
1,019 hPa

Grid point 1.0 km away · 3.0 km grid · elevation 89 m

Air quality

The European air-quality index for the city, and the pollutants that set it.

Reading from 20:00
28
Fair

Index set by Ozone

Ozone
69.2µg/m³
PM2.5
7.1µg/m³
PM10
7.2µg/m³
Nitrogen dioxide
11.1µg/m³
Sulphur dioxide
1.2µg/m³
Carbon monoxide
250.0µg/m³
Dust (AOD)
0.00

Generated using Copernicus Atmosphere Monitoring Service information

Hour by hour

Step-by-step detail: temperature, wind, cloud cover and ultraviolet.

Estimated from a deterministic model, not an ensemble probability.
°C

10 days

Each day's extremes and the chance of rain, out to the end of the run.

22° → 34°

Rain probability (> 1 mm): 50 ECMWF ensemble members.

  • Today

    Light rain86 %

    32°

    24°

  • Sat

    Violent showers52 %

    32°

    22°

  • Sun

    Partly cloudy52 %

    33°

    22°

  • Mon

    Light drizzle26 %

    34°

    24°

  • Tue

    Thunderstorm72 %

    32°

    25°

  • Wed

    Light showers72 %

    26°

    24°

  • Thu

    Mainly clear

    30°

    22°

  • Fri

    Light drizzle0 mm

    30°

    25°

  • Sat

    Light rain22 mm

    26°

    22°

  • Sun

    Thunderstorm3 mm

    27°

    22°

Gusts · Sat 85.6 km/h

Sun and UV

Sunrise, sunset, day length and ultraviolet intensity.

Max UV9very high
Sunrise
06:16
Daylight
13 h 58
Sunset
20:14

Radiation · 11.3 MJ/m²

Today in Great Falls the mean temperature will be 28.0 °C — +3.3 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)

Great Falls climate — normals and trends