Great Falls (United States of America) weather

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Forecast days

Today

Maximum daytime temperature: 9° Celsius; Minimum nighttime temperature: -6° Celsius;

Sunrise: 08:08

Sunset: 17:01

Sunny changing to cloudy by lunchtime.

L UV

No pollution data.

No pollen data.

Today

Maximum daytime temperature: 9° Celsius; Minimum nighttime temperature: -6° Celsius;
Fri 16 Jan

Maximum daytime temperature: 2° Celsius; Minimum nighttime temperature: -8° Celsius;

Sunrise: 08:08

Sunset: 17:03

Clear.

L UV

No pollution data.

No pollen data.

Fri 16 Jan

Maximum daytime temperature: 2° Celsius; Minimum nighttime temperature: -8° Celsius;
Sat 17 Jan

Maximum daytime temperature: 9° Celsius; Minimum nighttime temperature: -2° Celsius;

Sunrise: 08:07

Sunset: 17:04

Partly cloudy changing to sunny by late morning.

L UV

No pollution data.

No pollen data.

Sat 17 Jan

Maximum daytime temperature: 9° Celsius; Minimum nighttime temperature: -2° Celsius;
Sun 18 Jan

Maximum daytime temperature: 1° Celsius; Minimum nighttime temperature: -8° Celsius;

Sunrise: 08:06

Sunset: 17:05

Cloudy changing to sunny intervals by late morning.

L UV

No pollution data.

No pollen data.

Sun 18 Jan

Maximum daytime temperature: 1° Celsius; Minimum nighttime temperature: -8° Celsius;
Mon 19 Jan

Maximum daytime temperature: 8° Celsius; Minimum nighttime temperature: -3° Celsius;

Sunrise: 08:05

Sunset: 17:07

Clear.

L UV

No pollution data.

No pollen data.

Mon 19 Jan

Maximum daytime temperature: 8° Celsius; Minimum nighttime temperature: -3° Celsius;
Tue 20 Jan

Maximum daytime temperature: 3° Celsius; Minimum nighttime temperature: -7° Celsius;

Sunrise: 08:05

Sunset: 17:08

Sunny intervals changing to partly cloudy in the afternoon.

L UV

No pollution data.

No pollen data.

Tue 20 Jan

Maximum daytime temperature: 3° Celsius; Minimum nighttime temperature: -7° Celsius;
Wed 21 Jan

Maximum daytime temperature: 3° Celsius; Minimum nighttime temperature: -10° Celsius;

Sunrise: 08:04

Sunset: 17:10

Sunny intervals changing to partly cloudy in the afternoon.

L UV

No pollution data.

No pollen data.

Wed 21 Jan

Maximum daytime temperature: 3° Celsius; Minimum nighttime temperature: -10° Celsius;

Sunny changing to cloudy by lunchtime.

Sunrise: 08:08

Sunset: 17:01

L UV

No pollution data.

No pollen data.

7 day forecast for Great Falls

Today (15 January 2026)

Time	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	7°	5°	5°	4°	4°	3°	3°	2°	2°	1°	0°	0°	-1°
Feels like temperature (°C)	3°	1°	0°	0°	-1°	-1°	-2°	-2°	-3°	-4°	-5°	-5°	-6°
Wind direction and speed (mph)	N 17	N 15	N 14	N 13	NNW 13	NNW 13	NNW 13	NNW 12	NNW 12	NW 11	NW 11	NW 11	NW 10
Wind gust (mph)	38	33	31	30	28	28	28	27	26	26	25	24	22
Visibility (description)	VG	VG	G	G	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	39%	40%	38%	31%	27%	25%	26%	25%	27%	31%	32%	26%	26%
UV	1	1	1	1	1	-	-	-	-	-	-	-	-

Friday (16 January 2026)

Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	-2°	-2°	-3°	-3°	-4°	-4°	-5°	-5°	-6°	-5°	-3°	-2°	-1°	0°	1°	2°	1°	0°	-1°	-2°	-3°	-3°	-4°	-5°
Feels like temperature (°C)	-7°	-7°	-8°	-8°	-9°	-9°	-10°	-10°	-10°	-9°	-6°	-6°	-5°	-4°	-3°	-3°	-3°	-5°	-5°	-6°	-7°	-8°	-8°	-9°
Wind direction and speed (mph)	WNW 10	WNW 10	WNW 10	WNW 10	WNW 9	W 8	W 8	W 7	W 6	W 5	WNW 5	WNW 7	WNW 9	WNW 10	WNW 11	NW 12	NW 10	NW 9	NW 8	NW 8	NW 8	WNW 7	WNW 7	W 5
Wind gust (mph)	22	21	21	20	18	16	14	13	12	13	16	20	22	23	25	25	21	19	18	17	17	16	14	12
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	27%	31%	36%	38%	39%	39%	40%	42%	43%	40%	39%	33%	22%	20%	20%	20%	21%	29%	39%	42%	43%	46%	47%	56%
UV	-	-	-	-	-	-	-	-	-	1	1	1	1	1	1	1	-	-	-	-	-	-	-	-

Saturday (17 January 2026)

Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	-6°	-7°	-7°	-7°	-7°	-7°	-7°	-7°	-7°	-5°	-1°	2°	5°	7°	8°	9°	8°	7°	6°	5°	4°	3°	2°	1°
Feels like temperature (°C)	-10°	-11°	-11°	-11°	-12°	-12°	-12°	-12°	-11°	-9°	-5°	-2°	1°	3°	5°	6°	5°	3°	2°	2°	1°	0°	-2°	-3°
Wind direction and speed (mph)	WSW 5	SW 5	SSW 5	SSW 5	SSW 5	SSW 6	S 6	S 6	SSW 6	SSW 7	SW 8	SW 10	SW 12	SW 13	SW 14	SW 14	SW 13	SW 13	WSW 12	WSW 10	WSW 10	WSW 8	WSW 7	WSW 7
Wind gust (mph)	9	8	8	8	9	10	10	12	13	16	20	24	27	28	28	27	26	24	22	19	16	15	13	12
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	63%	68%	69%	68%	66%	65%	65%	62%	58%	49%	37%	26%	20%	20%	20%	20%	21%	31%	35%	37%	39%	42%	49%	53%
UV	-	-	-	-	-	-	-	-	-	1	1	1	1	1	1	1	-	-	-	-	-	-	-	-

Sunday (18 January 2026)

Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	0°	-1°	-1°	-1°	0°	0°	1°	1°	0°	0°	0°	1°	1°	1°	1°	1°	0°	-1°	-2°	-4°	-5°	-6°	-6°	-6°
Feels like temperature (°C)	-4°	-4°	-4°	-4°	-4°	-3°	-3°	-3°	-4°	-4°	-4°	-4°	-4°	-3°	-3°	-4°	-4°	-4°	-5°	-7°	-8°	-9°	-10°	-10°
Wind direction and speed (mph)	WSW 6	W 6	W 7	WNW 7	WNW 7	NW 8	NW 8	NW 8	NW 8	NW 8	NW 9	NW 10	NW 11	NW 11	NW 10	NNW 10	NNW 8	NNW 6	NW 5	W 4	W 5	WSW 5	WSW 5	SW 5
Wind gust (mph)	13	13	15	15	17	18	17	17	18	21	23	25	25	24	23	22	18	11	9	9	9	8	9	9
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	56%	57%	56%	55%	56%	54%	54%	56%	56%	53%	46%	43%	43%	41%	42%	42%	42%	49%	57%	65%	65%	66%	69%	72%
UV	-	-	-	-	-	-	-	-	-	1	1	1	1	1	1	1	-	-	-	-	-	-	-	-

Monday (19 January 2026)

Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	20:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	-6°	-6°	-6°	-6°	-6°	-6°	-5°	-5°	-5°	-3°	-1°	2°	4°	7°	8°	8°	7°	5°	3°	2°
Feels like temperature (°C)	-11°	-11°	-11°	-11°	-11°	-11°	-11°	-10°	-10°	-8°	-5°	-2°	0°	3°	5°	5°	4°	2°	-1°	-2°
Wind direction and speed (mph)	SW 6	SW 6	SW 6	SW 7	SW 7	SW 8	SW 8	SW 8	SW 8	SW 8	SW 9	WSW 11	WSW 12	WSW 13	WSW 14	WSW 14	WSW 13	WSW 12	WSW 11	W 10
Wind gust (mph)	10	11	12	13	13	14	16	16	16	18	23	25	27	28	28	27	25	24	23	19
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	70%	70%	69%	66%	63%	60%	59%	58%	56%	49%	43%	37%	26%	23%	22%	22%	22%	24%	27%	35%
UV	-	-	-	-	-	-	-	-	-	1	1	1	1	1	1	1	-	-	-	-

Tuesday (20 January 2026)

Time	02:00	05:00	08:00	11:00	14:00	17:00	20:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	10%	10%	<5%	10%	10%	<5%
Temperature (°C)	0°	-1°	-3°	0°	3°	0°	-2°	-4°
Feels like temperature (°C)	-4°	-6°	-7°	-3°	-1°	-3°	-6°	-8°
Wind direction and speed (mph)	WNW 8	WNW 8	WNW 7	WNW 8	WNW 10	NW 7	W 6	W 5
Wind gust (mph)	18	16	19	23	23	16	13	13
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	44%	48%	60%	42%	37%	47%	57%	66%
UV	-	-	-	1	1	-	-	-

Wednesday (21 January 2026)

Time	02:00	05:00	08:00	11:00	14:00	17:00	20:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	10%	<5%	<5%	10%	10%	10%
Temperature (°C)	-6°	-6°	-6°	-1°	2°	0°	-2°	-5°
Feels like temperature (°C)	-10°	-10°	-10°	-6°	-2°	-4°	-7°	-10°
Wind direction and speed (mph)	WSW 6	WSW 6	SW 7	WSW 9	W 10	W 10	WNW 7	N 7
Wind gust (mph)	12	16	21	22	25	20	16	14
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	72%	72%	67%	39%	30%	42%	60%	66%
UV	-	-	-	1	1	-	-	-

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Forecast

Forecast for 11am (UTC-7) Thursday

Updated 12:42 (UTC) on Thu 15 Jan 2026

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Great Falls (United States of America) weather

Find a forecast

Forecast days

Today

Today

Fri 16 Jan

Fri 16 Jan

Sat 17 Jan

Sat 17 Jan

Sun 18 Jan

Sun 18 Jan

Mon 19 Jan

Mon 19 Jan

Tue 20 Jan

Tue 20 Jan

Wed 21 Jan

Wed 21 Jan

7 day forecast for Great Falls

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