Great Falls Weather in 1986

Historical record of Great Falls, Montana weather for the year 1986 based on NOAA data.

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1986 Great Falls Weather Extremes
Highest temperature	98 °F	July 2
Lowest temperature	-22 °F	February 20
Highest daily low	62 °F	August 11
Lowest daily high	-7 °F	February 18
Most daily precipitation	0.9 inches	April 25
Most daily snow	6.5 inches	April 12
Total annual precipitation	13.3 inches	-
Total annual snow	50.5 inches	-

What was the hottest temperature in Great Falls in 1986?

The highest temperature recorded in Great Falls, Montana in 1986 was 98 °F which happened on July 2.

Highest Temperatures: All-Time By Year

Highest Temperatures in Great Falls in 1986

Rank	Temperature	Date
1	98 °F	Jul 2
2	97 °F	Aug 18
3	94 °F	Jun 25
3	94 °F	Jun 24
5	93 °F	Aug 29
5	93 °F	Aug 17
5	93 °F	Jun 17
8	92 °F	Aug 11
8	92 °F	Jun 16
10	91 °F	Aug 28
10	91 °F	Aug 8
10	91 °F	Jul 22
10	91 °F	Jun 1

What was the coldest temperature in Great Falls in 1986?

The lowest temperature recorded in Great Falls, Montana in 1986 was -22 °F which happened on Feb 20.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Great Falls in 1986

Rank	Temperature	Date
1	-22 °F	February 20
2	-19 °F	February 19
3	-17 °F	February 11
4	-14 °F	November 12
5	-11 °F	February 18
6	-10 °F	February 17
6	-10 °F	February 12
6	-10 °F	February 9
9	-8 °F	November 10
9	-8 °F	November 9
9	-8 °F	February 14

January 1986 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	43	32	0.00	0.0
January 2	35	26	0.00	0.0
January 3	32	10	0.07	1.2
January 4	31	6	0.00	0.0
January 5	38	24	0.00	0.0
January 6	41	28	0.00	0.0
January 7	43	26	0.00	0.0
January 8	51	40	0.00	0.0
January 9	49	38	0.00	0.0
January 10	55	43	0.00	0.0
January 11	53	30	0.00	0.0
January 12	52	29	0.00	0.0
January 13	58	38	0.00	0.0
January 14	54	28	0.00	0.0
January 15	46	28	0.00	0.0
January 16	51	37	0.00	0.0
January 17	46	32	0.00	0.0
January 18	56	32	0.00	0.0
January 19	61	35	0.00	0.0
January 20	42	22	0.27	3.0
January 21	31	12	0.00	0.0
January 22	36	17	0.00	0.0
January 23	44	33	0.00	0.0
January 24	38	25	0.00	0.0
January 25	40	21	0.00	0.0
January 26	52	29	0.00	0.0
January 27	52	38	0.00	0.0
January 28	48	22	0.00	0.0
January 29	30	22	0.06	0.2
January 30	42	29	0.16	0.0
January 31	54	34	0.01	0.0

February 1986 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	55	34	0.00	0.0
February 2	53	32	0.00	0.0
February 3	43	29	0.00	0.0
February 4	46	28	0.00	0.0
February 5	36	21	0.00	0.0
February 6	23	4	0.22	5.8
February 7	11	-3	0.01	0.0
February 8	16	-3	0.01	0.2
February 9	12	-10	0.00	0.0
February 10	8	-6	0.00	0.0
February 11	10	-17	0.00	0.0
February 12	9	-10	0.09	1.7
February 13	11	-3	0.02	0.5
February 14	21	-8	0.07	1.2
February 15	14	-2	0.23	4.1
February 16	6	-6	0.02	0.6
February 17	-5	-10	0.06	0.9
February 18	-7	-11	0.02	0.4
February 19	-5	-19	0.00	0.0
February 20	32	-22	0.00	0.0
February 21	33	-2	0.00	0.0
February 22	40	4	0.00	0.0
February 23	45	29	0.00	0.0
February 24	58	43	0.00	0.0
February 25	63	40	0.00	0.0
February 26	54	32	0.00	0.0
February 27	58	25	0.00	0.0
February 28	68	42	0.00	0.0

March 1986 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	54	36	0.00	0.0
March 2	57	33	0.00	0.0
March 3	65	29	0.00	0.0
March 4	62	34	0.00	0.0
March 5	58	30	0.00	0.0
March 6	47	22	0.00	0.0
March 7	64	21	0.00	0.0
March 8	52	38	0.00	0.0
March 9	52	32	0.00	0.0
March 10	49	29	0.00	0.0
March 11	52	32	0.00	0.0
March 12	44	32	0.04	0.0
March 13	48	28	0.00	0.0
March 14	50	25	0.00	0.0
March 15	50	24	0.00	0.0
March 16	39	26	0.02	0.2
March 17	41	28	0.02	0.1
March 18	49	24	0.00	0.0
March 19	54	33	0.00	0.0
March 20	63	33	0.00	0.0
March 21	68	35	0.00	0.0
March 22	53	34	0.00	0.0
March 23	59	27	0.00	0.0
March 24	58	33	0.00	0.0
March 25	52	29	0.00	0.0
March 26	58	27	0.00	0.0
March 27	73	47	0.00	0.0
March 28	71	50	0.00	0.0
March 29	65	49	0.00	0.0
March 30	69	38	0.00	0.0
March 31	54	31	0.02	0.2

April 1986 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	60	32	0.00	0.0
April 2	44	31	0.00	0.0
April 3	54	21	0.00	0.0
April 4	62	34	0.00	0.0
April 5	65	27	0.00	0.0
April 6	68	31	0.00	0.0
April 7	64	28	0.00	0.0
April 8	70	35	0.00	0.0
April 9	65	36	0.00	0.0
April 10	63	35	0.00	0.0
April 11	39	29	0.04	0.4
April 12	32	15	0.60	6.5
April 13	23	11	0.13	2.0
April 14	36	3	0.00	0.0
April 15	47	19	0.00	0.0
April 16	55	30	0.10	0.0
April 17	55	29	0.00	0.0
April 18	54	31	0.00	0.0
April 19	59	34	0.00	0.0
April 20	68	43	0.00	0.0
April 21	70	46	0.00	0.0
April 22	75	48	0.02	0.0
April 23	51	35	0.22	0.0
April 24	46	34	0.06	0.3
April 25	52	33	0.90	0.4
April 26	46	32	0.76	4.5
April 27	56	37	0.00	0.0
April 28	53	31	0.00	0.0
April 29	51	26	0.00	0.0
April 30	52	30	0.00	0.0

May 1986 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
May 1	58	29	0.00	0.0
May 2	74	40	0.00	0.0
May 3	70	44	0.00	0.0
May 4	54	40	0.12	0.0
May 5	53	38	0.04	0.0
May 6	51	36	0.00	0.0
May 7	46	35	0.01	0.0
May 8	43	36	0.14	0.0
May 9	52	35	0.14	0.0
May 10	50	37	0.40	0.0
May 11	48	33	0.27	2.4
May 12	56	33	0.00	0.0
May 13	65	35	0.07	0.0
May 14	49	33	0.00	0.0
May 15	49	34	0.01	0.0
May 16	58	35	0.00	0.0
May 17	65	39	0.00	0.0
May 18	70	40	0.00	0.0
May 19	77	49	0.00	0.0
May 20	84	55	0.02	0.0
May 21	74	45	0.44	0.0
May 22	51	39	0.06	0.0
May 23	58	38	0.00	0.0
May 24	72	39	0.00	0.0
May 25	77	45	0.00	0.0
May 26	81	54	0.00	0.0
May 27	84	56	0.00	0.0
May 28	84	49	0.00	0.0
May 29	88	51	0.00	0.0
May 30	89	51	0.00	0.0
May 31	85	59	0.02	0.0

June 1986 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	91	55	0.00
June 2	89	58	0.00
June 3	75	52	0.00
June 4	82	50	0.14
June 5	75	54	0.42
June 6	74	50	0.00
June 7	70	49	0.02
June 8	65	52	0.20
June 9	71	50	0.02
June 10	80	45	0.00
June 11	86	52	0.00
June 12	74	50	0.00
June 13	75	46	0.00
June 14	88	50	0.13
June 15	76	53	0.00
June 16	92	52	0.00
June 17	93	58	0.05
June 18	89	56	0.00
June 19	72	48	0.00
June 20	74	46	0.06
June 21	73	42	0.00
June 22	82	48	0.00
June 23	88	51	0.00
June 24	94	54	0.00
June 25	94	52	0.00
June 26	86	53	0.00
June 27	89	50	0.00
June 28	83	49	0.38
June 29	75	53	0.30
June 30	75	51	0.00

July 1986 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	84	47	0.00
July 2	98	61	0.00
July 3	77	60	0.02
July 4	62	47	0.51
July 5	67	45	0.05
July 6	73	45	0.00
July 7	80	47	0.06
July 8	84	52	0.10
July 9	78	55	0.01
July 10	76	56	0.00
July 11	74	53	0.00
July 12	75	52	0.00
July 13	77	47	0.00
July 14	81	49	0.00
July 15	83	54	0.00
July 16	65	51	0.52
July 17	71	48	0.00
July 18	78	45	0.00
July 19	78	49	0.00
July 20	80	49	0.00
July 21	84	50	0.00
July 22	91	58	0.00
July 23	84	55	0.00
July 24	84	51	0.00
July 25	84	51	0.02
July 26	80	49	0.38
July 27	78	51	0.00
July 28	85	47	0.00
July 29	79	55	0.00
July 30	77	52	0.00
July 31	81	43	0.00

August 1986 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	82	45	0.00
August 2	88	61	0.00
August 3	88	56	0.00
August 4	86	54	0.00
August 5	89	54	0.00
August 6	80	53	0.00
August 7	87	51	0.00
August 8	91	54	0.00
August 9	71	53	0.00
August 10	84	51	0.00
August 11	92	62	0.15
August 12	81	58	0.01
August 13	73	56	0.05
August 14	88	57	0.00
August 15	89	59	0.00
August 16	76	50	0.00
August 17	93	60	0.00
August 18	97	60	0.00
August 19	79	54	0.00
August 20	80	46	0.00
August 21	67	49	0.01
August 22	84	50	0.00
August 23	85	60	0.00
August 24	85	61	0.00
August 25	78	49	0.00
August 26	81	49	0.00
August 27	88	52	0.00
August 28	91	54	0.00
August 29	93	57	0.00
August 30	80	58	0.00
August 31	63	55	0.59

September 1986 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
September 1	74	53	0.00	0.0
September 2	78	52	0.00	0.0
September 3	67	54	0.00	0.0
September 4	78	47	0.00	0.0
September 5	47	40	0.16	0.0
September 6	56	38	0.00	0.0
September 7	68	38	0.00	0.0
September 8	71	45	0.13	0.0
September 9	58	49	0.17	0.0
September 10	70	47	0.00	0.0
September 11	68	46	0.00	0.0
September 12	50	38	0.00	0.0
September 13	48	40	0.23	0.1
September 14	45	41	0.00	0.0
September 15	57	43	0.05	0.0
September 16	65	42	0.02	0.0
September 17	57	45	0.24	0.0
September 18	46	38	0.25	0.0
September 19	46	38	0.04	0.0
September 20	48	37	0.14	0.0
September 21	60	37	0.00	0.0
September 22	63	40	0.00	0.0
September 23	70	44	0.00	0.0
September 24	60	50	0.07	0.0
September 25	54	46	0.02	0.0
September 26	60	41	0.00	0.0
September 27	60	37	0.00	0.0
September 28	57	38	0.00	0.0
September 29	61	38	0.00	0.0
September 30	58	44	0.00	0.0

October 1986 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	45	41	0.29	0.0
October 2	42	34	0.30	0.9
October 3	57	33	0.00	0.0
October 4	67	46	0.08	0.0
October 5	70	44	0.01	0.0
October 6	74	50	0.00	0.0
October 7	72	43	0.00	0.0
October 8	54	45	0.07	0.0
October 9	69	38	0.05	0.0
October 10	46	31	0.06	0.0
October 11	47	25	0.00	0.0
October 12	61	32	0.00	0.0
October 13	66	40	0.00	0.0
October 14	66	36	0.00	0.0
October 15	70	41	0.00	0.0
October 16	73	38	0.00	0.0
October 17	72	40	0.00	0.0
October 18	65	34	0.00	0.0
October 19	65	30	0.00	0.0
October 20	73	33	0.00	0.0
October 21	68	35	0.00	0.0
October 22	61	33	0.00	0.0
October 23	62	31	0.00	0.0
October 24	71	40	0.00	0.0
October 25	70	40	0.00	0.0
October 26	71	49	0.00	0.0
October 27	63	43	0.00	0.0
October 28	61	41	0.00	0.0
October 29	55	33	0.00	0.0
October 30	57	31	0.04	0.3
October 31	31	20	0.00	0.0

November 1986 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	53	17	0.00	0.0
November 2	63	34	0.00	0.0
November 3	60	40	0.00	0.0
November 4	62	38	0.00	0.0
November 5	54	34	0.02	0.2
November 6	37	29	0.04	0.6
November 7	31	9	0.02	0.6
November 8	11	4	0.03	0.7
November 9	5	-8	0.02	0.4
November 10	26	-8	0.00	0.0
November 11	28	-7	0.26	4.5
November 12	26	-14	0.00	0.0
November 13	38	22	0.00	0.0
November 14	32	10	0.06	0.9
November 15	40	5	0.00	0.0
November 16	41	24	0.00	0.0
November 17	37	13	0.00	0.0
November 18	46	15	0.00	0.0
November 19	46	35	0.00	0.0
November 20	59	39	0.00	0.0
November 21	51	32	0.00	0.0
November 22	45	28	0.00	0.0
November 23	52	32	0.00	0.0
November 24	61	33	0.00	0.0
November 25	44	26	0.00	0.0
November 26	52	34	0.00	0.0
November 27	55	37	0.00	0.0
November 28	43	32	0.00	0.0
November 29	39	24	0.00	0.0
November 30	46	23	0.00	0.0

December 1986 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	53	28	0.00	0.0
December 2	35	17	0.01	0.1
December 3	32	13	0.00	0.0
December 4	49	19	0.00	0.0
December 5	40	20	0.12	1.6
December 6	25	9	0.01	0.1
December 7	40	24	0.00	0.0
December 8	29	12	0.11	2.5
December 9	27	0	0.00	0.0
December 10	35	26	0.00	0.0
December 11	40	23	0.00	0.0
December 12	43	26	0.00	0.0
December 13	44	31	0.00	0.0
December 14	45	34	0.00	0.0
December 15	43	33	0.00	0.0
December 16	43	24	0.00	0.0
December 17	46	19	0.00	0.0
December 18	39	18	0.00	0.0
December 19	43	12	0.00	0.0
December 20	43	25	0.00	0.0
December 21	44	30	0.00	0.0
December 22	52	38	0.00	0.0
December 23	49	32	0.00	0.0
December 24	45	31	0.00	0.0
December 25	44	27	0.00	0.0
December 26	44	35	0.00	0.0
December 27	47	37	0.00	0.0
December 28	50	30	0.00	0.0
December 29	52	37	0.00	0.0
December 30	42	26	0.02	0.2
December 31	38	18	0.00	0.0

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Weather Station Details

Years	Station	Coordinates
1937–2024	Great Falls International Airport	location
1892–1937	Great Falls 16th Street	location