Great Falls Weather in 1990

Historical record of Great Falls, Montana weather for the year 1990 based on NOAA data.

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1990 Great Falls Weather Extremes
Highest temperature	102 °F	August 6
Lowest temperature	-35 °F	December 21
Highest daily low	71 °F	August 15
Lowest daily high	-20 °F	December 19
Most daily precipitation	1.6 inches	August 18
Most daily snow	7.2 inches	March 13
Total annual precipitation	14.1 inches	-
Total annual snow	45.3 inches	-

What was the hottest temperature in Great Falls in 1990?

The highest temperature recorded in Great Falls, Montana in 1990 was 102 °F which happened on August 6.

Highest Temperatures: All-Time By Year

Highest Temperatures in Great Falls in 1990

Rank	Temperature	Date
1	102 °F	Aug 6
2	101 °F	Aug 15
2	101 °F	Jun 30
4	99 °F	Jul 1
5	98 °F	Aug 7
6	96 °F	Aug 14
6	96 °F	Jul 12
8	94 °F	Aug 5
8	94 °F	Jul 16
8	94 °F	Jun 26

What was the coldest temperature in Great Falls in 1990?

The lowest temperature recorded in Great Falls, Montana in 1990 was -35 °F which happened on Dec 21.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Great Falls in 1990

Rank	Temperature	Date
1	-35 °F	December 21
2	-29 °F	December 29
3	-28 °F	December 20
4	-27 °F	December 28
5	-25 °F	December 19
6	-21 °F	December 18
7	-19 °F	February 14
8	-18 °F	December 22
9	-15 °F	January 31
10	-14 °F	January 30

January 1990 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	39	29	0.00	0.0
January 2	34	15	0.03	0.4
January 3	33	16	0.00	0.0
January 4	37	27	0.00	0.0
January 5	44	25	0.00	0.0
January 6	49	40	0.00	0.0
January 7	51	37	0.00	0.0
January 8	47	32	0.00	0.0
January 9	58	37	0.00	0.0
January 10	54	23	0.00	0.0
January 11	32	13	0.00	0.0
January 12	50	16	0.00	0.0
January 13	51	38	0.00	0.0
January 14	51	27	0.00	0.0
January 15	44	20	0.00	0.0
January 16	29	21	0.08	1.0
January 17	23	12	0.04	1.2
January 18	37	19	0.00	0.0
January 19	38	11	0.00	0.0
January 20	41	28	0.00	0.0
January 21	45	37	0.00	0.0
January 22	48	32	0.00	0.0
January 23	37	25	0.00	0.0
January 24	36	21	0.00	0.0
January 25	45	34	0.00	0.0
January 26	40	15	0.00	0.0
January 27	33	16	0.00	0.0
January 28	41	23	0.00	0.0
January 29	37	-3	0.04	0.4
January 30	4	-14	0.08	1.8
January 31	-9	-15	0.02	0.3

February 1990 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	25	-11	0.00	0.0
February 2	38	21	0.00	0.0
February 3	50	34	0.00	0.0
February 4	45	24	0.00	0.0
February 5	46	24	0.00	0.0
February 6	40	20	0.00	0.0
February 7	32	19	0.00	0.0
February 8	33	16	0.00	0.0
February 9	45	15	0.00	0.0
February 10	55	43	0.00	0.0
February 11	59	25	0.00	0.0
February 12	28	-2	0.01	0.1
February 13	-1	-11	0.06	1.1
February 14	18	-19	0.00	0.0
February 15	26	5	0.00	0.0
February 16	15	-8	0.00	0.0
February 17	18	-10	0.01	0.1
February 18	36	10	0.00	0.0
February 19	45	18	0.00	0.0
February 20	51	36	0.00	0.0
February 21	49	28	0.00	0.0
February 22	60	33	0.00	0.0
February 23	61	28	0.00	0.0
February 24	54	19	0.00	0.0
February 25	57	29	0.00	0.0
February 26	39	11	0.09	1.7
February 27	46	15	0.00	0.0
February 28	57	27	0.00	0.0

March 1990 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	57	26	0.00	0.0
March 2	58	18	0.00	0.0
March 3	60	24	0.00	0.0
March 4	53	28	0.00	0.0
March 5	37	23	0.51	1.2
March 6	50	32	0.01	0.1
March 7	59	32	0.00	0.0
March 8	55	25	0.00	0.0
March 9	47	28	0.00	0.0
March 10	65	31	0.00	0.0
March 11	43	25	0.08	1.2
March 12	30	24	0.05	0.5
March 13	31	25	0.50	7.2
March 14	39	18	0.00	0.0
March 15	40	23	0.00	0.0
March 16	46	23	0.00	0.0
March 17	39	30	0.18	1.3
March 18	48	23	0.00	0.0
March 19	62	37	0.00	0.0
March 20	57	35	0.00	0.0
March 21	44	17	0.23	2.7
March 22	17	9	0.08	1.1
March 23	17	3	0.05	0.9
March 24	28	-2	0.00	0.0
March 25	44	17	0.00	0.0
March 26	57	23	0.00	0.0
March 27	49	22	0.00	0.0
March 28	50	28	0.00	0.0
March 29	59	25	0.00	0.0
March 30	67	37	0.00	0.0
March 31	62	33	0.00	0.0

April 1990 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	64	41	0.00	0.0
April 2	75	40	0.00	0.0
April 3	63	37	0.00	0.0
April 4	49	30	0.03	0.4
April 5	46	20	0.00	0.0
April 6	60	23	0.00	0.0
April 7	62	34	0.00	0.0
April 8	45	32	0.00	0.0
April 9	33	18	0.06	0.5
April 10	31	13	0.00	0.0
April 11	48	24	0.00	0.0
April 12	57	32	0.00	0.0
April 13	59	32	0.00	0.0
April 14	59	40	0.02	0.0
April 15	64	35	0.00	0.0
April 16	43	29	0.08	0.6
April 17	64	28	0.00	0.0
April 18	69	41	0.00	0.0
April 19	71	36	0.00	0.0
April 20	79	38	0.00	0.0
April 21	75	40	0.08	0.0
April 22	69	47	0.01	0.0
April 23	66	47	0.00	0.0
April 24	62	40	0.15	0.0
April 25	59	35	0.00	0.0
April 26	51	33	0.01	0.0
April 27	51	31	0.01	0.0
April 28	40	24	0.34	3.1
April 29	34	21	0.05	0.8
April 30	48	21	0.00	0.0

May 1990 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	60	33	0.00
May 2	57	40	0.05
May 3	66	34	0.00
May 4	68	43	0.00
May 5	78	43	0.00
May 6	77	40	0.00
May 7	53	27	0.01
May 8	39	27	0.00
May 9	58	24	0.00
May 10	61	35	0.00
May 11	57	34	0.03
May 12	56	39	0.01
May 13	56	36	0.00
May 14	54	37	0.29
May 15	53	38	0.27
May 16	56	36	0.02
May 17	64	35	0.04
May 18	63	37	0.00
May 19	62	32	0.00
May 20	64	34	0.15
May 21	65	39	0.00
May 22	68	37	0.00
May 23	73	43	0.01
May 24	63	40	1.17
May 25	48	39	0.30
May 26	61	42	0.00
May 27	65	37	0.00
May 28	67	46	1.43
May 29	68	51	0.07
May 30	70	49	0.11
May 31	69	43	0.01

June 1990 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	58	40	0.00
June 2	52	43	0.02
June 3	67	37	0.01
June 4	61	44	0.00
June 5	65	37	0.00
June 6	72	38	0.02
June 7	66	48	0.00
June 8	68	39	0.00
June 9	81	52	0.00
June 10	77	49	0.12
June 11	62	43	0.00
June 12	58	43	0.00
June 13	54	37	0.01
June 14	53	44	0.45
June 15	63	44	0.17
June 16	71	42	0.10
June 17	75	44	0.00
June 18	77	52	0.00
June 19	69	54	0.07
June 20	73	49	0.24
June 21	73	41	0.00
June 22	83	44	0.00
June 23	89	55	0.00
June 24	91	53	0.00
June 25	87	57	0.00
June 26	94	57	0.00
June 27	83	55	0.02
June 28	78	52	0.00
June 29	87	49	0.00
June 30	101	55	0.00

July 1990 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	99	58	0.00
July 2	86	55	0.69
July 3	73	51	0.00
July 4	67	42	0.00
July 5	82	52	0.00
July 6	82	52	0.00
July 7	75	52	0.00
July 8	81	45	0.00
July 9	88	52	0.00
July 10	89	57	0.00
July 11	87	51	0.00
July 12	96	63	0.00
July 13	89	64	0.04
July 14	78	58	0.00
July 15	87	50	0.00
July 16	94	56	0.00
July 17	89	50	0.00
July 18	82	44	0.00
July 19	73	50	0.00
July 20	66	53	0.00
July 21	74	49	0.00
July 22	82	43	0.00
July 23	88	48	0.00
July 24	81	59	0.00
July 25	79	54	0.26
July 26	74	49	0.04
July 27	79	56	0.00
July 28	78	53	0.00
July 29	82	48	0.00
July 30	89	56	0.00
July 31	86	58	0.00

August 1990 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	86	54	0.00
August 2	85	52	0.00
August 3	84	47	0.00
August 4	87	51	0.00
August 5	94	55	0.00
August 6	102	55	0.00
August 7	98	62	0.00
August 8	91	62	0.00
August 9	85	58	0.00
August 10	85	60	0.06
August 11	86	59	0.00
August 12	88	52	0.00
August 13	93	56	0.00
August 14	96	54	0.00
August 15	101	71	0.02
August 16	90	57	0.00
August 17	81	56	0.10
August 18	80	51	1.58
August 19	71	56	0.36
August 20	74	52	0.56
August 21	81	52	0.00
August 22	76	54	0.00
August 23	77	54	0.00
August 24	63	48	0.40
August 25	60	47	0.11
August 26	66	47	0.00
August 27	78	44	0.00
August 28	81	52	0.00
August 29	85	52	0.00
August 30	76	53	0.00
August 31	74	51	0.00

September 1990 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	82	44	0.00
September 2	87	46	0.00
September 3	77	49	0.00
September 4	86	49	0.00
September 5	88	59	0.05
September 6	87	57	0.00
September 7	88	52	0.00
September 8	84	51	0.00
September 9	82	47	0.00
September 10	85	50	0.00
September 11	88	46	0.00
September 12	88	50	0.00
September 13	70	44	0.00
September 14	82	45	0.00
September 15	85	41	0.00
September 16	77	47	0.00
September 17	71	42	0.00
September 18	76	40	0.00
September 19	75	45	0.00
September 20	65	43	0.04
September 21	71	37	0.00
September 22	76	38	0.00
September 23	88	43	0.00
September 24	86	53	0.00
September 25	88	47	0.00
September 26	67	48	0.00
September 27	69	36	0.00
September 28	62	31	0.00
September 29	79	45	0.00
September 30	74	35	0.00

October 1990 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	83	48	0.00	0.0
October 2	56	37	0.00	0.0
October 3	54	35	0.00	0.0
October 4	77	54	0.00	0.0
October 5	63	31	0.02	0.2
October 6	43	24	0.03	0.2
October 7	46	22	0.00	0.0
October 8	54	25	0.00	0.0
October 9	65	39	0.00	0.0
October 10	57	27	0.01	0.0
October 11	49	23	0.00	0.0
October 12	58	34	0.00	0.0
October 13	50	31	0.00	0.0
October 14	48	28	0.00	0.0
October 15	56	31	0.00	0.0
October 16	51	31	0.00	0.0
October 17	51	23	0.00	0.0
October 18	65	43	0.00	0.0
October 19	50	28	0.00	0.0
October 20	48	22	0.00	0.0
October 21	56	29	0.00	0.0
October 22	52	33	0.00	0.0
October 23	53	30	0.00	0.0
October 24	64	35	0.00	0.0
October 25	76	50	0.00	0.0
October 26	63	37	0.00	0.0
October 27	70	27	0.00	0.0
October 28	72	43	0.00	0.0
October 29	58	36	0.00	0.0
October 30	68	37	0.00	0.0
October 31	62	41	0.07	0.0

November 1990 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	44	28	0.00	0.0
November 2	42	25	0.00	0.0
November 3	45	12	0.00	0.0
November 4	53	34	0.12	0.0
November 5	35	11	0.28	3.7
November 6	31	3	0.00	0.0
November 7	38	27	0.00	0.0
November 8	45	34	0.00	0.0
November 9	58	39	0.00	0.0
November 10	61	50	0.00	0.0
November 11	68	50	0.00	0.0
November 12	72	47	0.00	0.0
November 13	69	51	0.00	0.0
November 14	57	26	0.00	0.0
November 15	46	26	0.00	0.0
November 16	53	32	0.00	0.0
November 17	54	38	0.00	0.0
November 18	53	35	0.00	0.0
November 19	53	29	0.00	0.0
November 20	37	25	0.19	0.4
November 21	40	20	0.00	0.0
November 22	49	37	0.00	0.0
November 23	55	44	0.00	0.0
November 24	55	11	0.00	0.0
November 25	22	10	0.10	2.4
November 26	22	-3	0.01	0.2
November 27	34	17	0.00	0.0
November 28	41	14	0.00	0.0
November 29	55	36	0.00	0.0
November 30	43	20	0.00	0.0

December 1990 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	34	19	0.01	0.0
December 2	33	17	0.00	0.0
December 3	47	19	0.00	0.0
December 4	58	35	0.00	0.0
December 5	39	23	0.00	0.0
December 6	45	26	0.00	0.0
December 7	51	39	0.00	0.0
December 8	58	42	0.00	0.0
December 9	60	33	0.00	0.0
December 10	45	33	0.00	0.0
December 11	45	14	0.00	0.0
December 12	34	13	0.00	0.0
December 13	36	18	0.00	0.0
December 14	33	17	0.00	0.0
December 15	38	22	0.00	0.0
December 16	30	18	0.00	0.0
December 17	39	22	0.00	0.0
December 18	39	-21	0.30	3.0
December 19	-20	-25	0.01	0.1
December 20	-19	-28	0.07	0.7
December 21	-17	-35	0.00	0.0
December 22	6	-18	0.16	2.2
December 23	18	2	0.02	0.2
December 24	24	-7	0.08	1.0
December 25	20	-9	0.01	0.1
December 26	30	13	0.00	0.0
December 27	34	-11	0.02	0.4
December 28	-11	-27	0.04	0.7
December 29	0	-29	0.01	0.1
December 30	22	0	0.00	0.0
December 31	36	-1	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