10-Day Weather Forecast for Great Falls (MT)

Six-hourly outlook through Friday 23 October. Updated every three hours via MET Norway.

Day
Night
00:00
Morning
06:00
Afternoon
12:00
Evening
18:00
Tuesday
13 Oct
—
—
Clear skies
12°C (54°F)
0 mm (0 in)
Clear skies
9°C (48°F)
0 mm (0 in)
Hourly ›
Wednesday
14 Oct
Clear skies
2°C (36°F)
0 mm (0 in)
Mostly sunny
1°C (34°F)
0 mm (0 in)
Partly cloudy
13°C (55°F)
0 mm (0 in)
Clear skies
14°C (57°F)
0 mm (0 in)
Hourly ›
Thursday
15 Oct
Mostly clear
4°C (39°F)
0 mm (0 in)
Mostly sunny
3°C (37°F)
0 mm (0 in)
Clear skies
8°C (46°F)
0 mm (0 in)
Mostly clear
9°C (48°F)
0 mm (0 in)
Hourly ›
Friday
16 Oct
Clear skies
3°C (37°F)
0 mm (0 in)
Clear skies
6°C (43°F)
0 mm (0 in)
Partly cloudy
18°C (64°F)
0 mm (0 in)
Partly cloudy
17°C (63°F)
0 mm (0 in)
Hourly ›
Saturday
17 Oct
Mostly clear
10°C (50°F)
0 mm (0 in)
Partly cloudy
9°C (48°F)
0 mm (0 in)
Cloudy
20°C (68°F)
0 mm (0 in)
Partly cloudy
19°C (66°F)
0 mm (0 in)
Hourly ›
Sunday
18 Oct
Clear skies
10°C (50°F)
0 mm (0 in)
Clear skies
6°C (43°F)
0 mm (0 in)
Clear skies
13°C (55°F)
0 mm (0 in)
Clear skies
14°C (57°F)
0 mm (0 in)
Hourly ›
Monday
19 Oct
Partly cloudy
7°C (45°F)
0 mm (0 in)
Mostly sunny
4°C (39°F)
0 mm (0 in)
Partly cloudy
18°C (64°F)
0 mm (0 in)
Partly cloudy
16°C (61°F)
0 mm (0 in)
Hourly ›
Tuesday
20 Oct
Mostly clear
10°C (50°F)
0 mm (0 in)
Cloudy
7°C (45°F)
0.1 mm (0 in)
Rain showers
14°C (57°F)
1.6 mm (0.1 in)
Rain
9°C (48°F)
2.7 mm (0.1 in)
Hourly ›
Wednesday
21 Oct
Rain
7°C (45°F)
4.2 mm (0.2 in)
Rain
4°C (39°F)
4.1 mm (0.2 in)
Mostly sunny
6°C (43°F)
0 mm (0 in)
Clear skies
9°C (48°F)
0 mm (0 in)
Hourly ›
Thursday
22 Oct
Mostly clear
3°C (37°F)
0 mm (0 in)
Clear skies
2°C (36°F)
0 mm (0 in)
Clear skies
10°C (50°F)
0 mm (0 in)
—
Hourly ›
Data from MET Norway · Updated every three hours.

What's the weather in Great Falls this week?

Today's weather - Tuesday 13 Oct

For the rest of Tuesday the predicted weather in Great Falls is clear skies. The temperature will be around 12°C (54°F).

Tomorrow's weather - Wednesday 14 Oct

Tomorrow's weather in Great Falls will be partly cloudy. High temperatures will reach a mild 14°C (57°F), with lows dropping to around 1°C (34°F).

10-Day Weather Forecast

In the coming 10 days, the weather in Great Falls will reach 20°C (68°F) on Saturday before declining again. Daytime highs during this period will average around 15°C (59°F), with nighttime lows around 5°C (41°F). These values are typical for October. The next 10 days will feature plenty of sunshine. Rainfall is expected to be less than usual (compared to typical October conditions). The forecast shows mostly dry conditions. Precipitation is likely on approximately 1 day (Tue).

Weather Forecast FAQ for Great Falls

When will be the warmest day next week?

The warmest day is expected to be Saturday with a high of 20°C (68°F).

When will be the coldest day?

The coldest day is forecasted for Wednesday with a low of 1°C (34°F).

Will it rain next week in Great Falls?

Yes, rain is expected on 1 day , specifically on Tue.

How much rainfall is expected next week?

A total of 4 mm (0.2 in) of rain is forecasted for the 10-day period.

What will be the temperature range next week?

Temperatures will range from 1°C (34°F) to 20°C (68°F).

More about Great Falls

Explore the full Great Falls climate overview with monthly averages, or check rainfall data and temperature by month.

Great Falls weather by month

Browse monthly averages for Great Falls: climate by month with temperature, rainfall and sunshine.

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