Great Falls Weather in 1999

Historical record of Great Falls, Montana weather for the year 1999 based on NOAA data.

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1999 Great Falls Weather Extremes
Highest temperature	99 °F	July 28
Lowest temperature	-15 °F	January 24
Highest daily low	63 °F	August 25
Lowest daily high	10 °F	January 23
Most daily precipitation	0.9 inches	September 2
Most daily snow	8.1 inches	March 31
Total annual precipitation	12.5 inches	-
Total annual snow	45.1 inches	-

What was the hottest temperature in Great Falls in 1999?

The highest temperature recorded in Great Falls, Montana in 1999 was 99 °F which happened on July 28.

Highest Temperatures: All-Time By Year

Highest Temperatures in Great Falls in 1999

Rank	Temperature	Date
1	99 °F	Jul 28
2	98 °F	Jul 27
3	97 °F	Aug 30
4	96 °F	Jul 29
5	94 °F	Aug 24
6	93 °F	Aug 23
6	93 °F	Aug 10
8	92 °F	Jul 23
9	91 °F	Aug 27
9	91 °F	Aug 26
9	91 °F	Aug 20
9	91 °F	Aug 18
9	91 °F	Aug 3
9	91 °F	Jul 12

What was the coldest temperature in Great Falls in 1999?

The lowest temperature recorded in Great Falls, Montana in 1999 was -15 °F which happened on Jan 24.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Great Falls in 1999

Rank	Temperature	Date
1	-15 °F	January 24
2	-13 °F	January 23
3	-1 °F	January 8
4	4 °F	February 11
4	4 °F	January 7
4	4 °F	January 6
7	5 °F	April 2
7	5 °F	February 10
9	6 °F	January 10
10	8 °F	January 3

January 1999 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	37	18	0.09	1.5
January 2	21	16	0.00	0.0
January 3	29	8	0.00	0.0
January 4	42	27	0.02	0.0
January 5	46	11	0.00	0.0
January 6	11	4	0.02	0.8
January 7	22	4	0.03	1.1
January 8	32	-1	0.00	0.0
January 9	40	9	0.00	0.0
January 10	47	6	0.00	0.0
January 11	51	38	0.00	0.0
January 12	42	26	0.00	0.0
January 13	44	26	0.00	0.0
January 14	52	42	0.00	0.0
January 15	47	32	0.00	0.0
January 16	40	23	0.00	0.0
January 17	39	21	0.00	0.0
January 18	48	31	0.00	0.0
January 19	43	31	0.00	0.0
January 20	45	27	0.00	0.0
January 21	30	15	0.00	0.0
January 22	41	10	0.01	0.2
January 23	10	-13	0.05	4.0
January 24	21	-15	0.00	0.0
January 25	34	11	0.00	0.0
January 26	22	14	0.11	1.8
January 27	29	10	0.00	0.2
January 28	40	27	0.00	0.0
January 29	47	32	0.00	0.0
January 30	52	24	0.00	0.0
January 31	50	28	0.00	0.0

February 1999 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	36	24	0.00	0.0
February 2	45	33	0.00	0.0
February 3	41	31	0.00	0.0
February 4	45	29	0.00	0.0
February 5	42	25	0.00	0.0
February 6	51	32	0.00	0.0
February 7	49	31	0.00	0.0
February 8	44	29	0.00	0.0
February 9	36	21	0.26	5.5
February 10	25	5	0.01	0.6
February 11	28	4	0.00	0.0
February 12	41	24	0.00	0.0
February 13	52	33	0.00	0.0
February 14	39	24	0.05	0.5
February 15	38	20	0.00	0.0
February 16	43	22	0.00	0.0
February 17	45	26	0.00	0.0
February 18	41	24	0.00	0.0
February 19	46	31	0.00	0.0
February 20	43	23	0.00	0.0
February 21	36	23	0.04	0.4
February 22	44	24	0.00	0.0
February 23	45	32	0.00	0.0
February 24	57	33	0.00	0.0
February 25	59	34	0.00	0.0
February 26	46	21	0.00	0.0
February 27	50	20	0.00	0.0
February 28	57	30	0.00	0.0

March 1999 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	47	20	0.00	0.0
March 2	44	20	0.00	0.0
March 3	48	28	0.00	0.0
March 4	40	22	0.09	1.8
March 5	35	13	0.00	0.0
March 6	35	14	0.00	0.0
March 7	25	13	0.00	0.0
March 8	45	10	0.00	0.0
March 9	47	25	0.00	0.0
March 10	47	19	0.00	0.0
March 11	42	20	0.00	0.0
March 12	51	20	0.00	0.0
March 13	61	34	0.00	0.0
March 14	67	37	0.00	0.0
March 15	62	33	0.00	0.0
March 16	48	19	0.00	0.0
March 17	51	16	0.00	0.0
March 18	65	30	0.00	0.0
March 19	66	32	0.00	0.0
March 20	61	22	0.00	0.0
March 21	58	20	0.00	0.0
March 22	63	27	0.00	0.0
March 23	64	33	0.00	0.0
March 24	70	28	0.00	0.0
March 25	73	42	0.00	0.0
March 26	55	31	0.00	0.0
March 27	42	24	0.00	0.0
March 28	45	22	0.00	0.0
March 29	54	23	0.00	0.0
March 30	47	29	0.00	0.0
March 31	31	23	0.44	8.1

April 1999 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	25	12	0.00	0.0
April 2	29	5	0.00	0.0
April 3	35	22	0.00	0.0
April 4	39	22	0.00	0.0
April 5	44	23	0.00	0.0
April 6	51	23	0.00	0.0
April 7	61	33	0.00	0.0
April 8	63	26	0.01	0.0
April 9	43	32	0.24	2.0
April 10	45	22	0.00	0.0
April 11	55	19	0.00	0.0
April 12	65	32	0.00	0.0
April 13	54	32	0.03	0.0
April 14	44	22	0.00	0.0
April 15	51	17	0.00	0.0
April 16	57	24	0.00	0.0
April 17	74	34	0.00	0.0
April 18	75	36	0.00	0.0
April 19	66	42	0.00	0.0
April 20	59	39	0.00	0.0
April 21	48	30	0.00	0.0
April 22	43	29	0.01	0.0
April 23	58	25	0.00	0.0
April 24	64	29	0.00	0.0
April 25	71	32	0.00	0.0
April 26	66	40	0.00	0.0
April 27	58	37	0.18	0.0
April 28	39	31	0.64	2.6
April 29	32	30	0.32	3.8
April 30	49	30	0.00	0.0

May 1999 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
May 1	62	36	0.00	0.0
May 2	55	40	0.00	0.0
May 3	56	37	0.00	0.0
May 4	54	31	0.00	0.0
May 5	53	29	0.00	0.0
May 6	64	28	0.00	0.0
May 7	68	37	0.00	0.0
May 8	54	21	0.00	0.0
May 9	39	32	0.45	2.7
May 10	38	31	0.01	0.1
May 11	52	30	0.00	0.0
May 12	60	34	0.01	0.0
May 13	56	30	0.00	0.0
May 14	58	33	0.21	0.0
May 15	50	38	0.10	0.0
May 16	56	36	0.00	0.0
May 17	65	39	0.00	0.0
May 18	67	48	0.00	0.0
May 19	67	41	0.00	0.0
May 20	71	33	0.01	0.0
May 21	69	43	0.01	0.0
May 22	68	36	0.00	0.0
May 23	78	38	0.00	0.0
May 24	81	42	0.00	0.0
May 25	86	48	0.00	0.0
May 26	69	46	0.00	0.0
May 27	84	44	0.00	0.0
May 28	81	52	0.01	0.0
May 29	52	41	0.76	0.0
May 30	50	40	0.72	0.0
May 31	64	37	0.00	0.0

June 1999 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
June 1	69	49	0.00	0.0
June 2	70	41	0.16	0.0
June 3	54	50	0.42	0.0
June 4	69	49	0.07	0.0
June 5	71	49	0.00	0.0
June 6	66	41	0.00	0.0
June 7	61	42	0.00	0.0
June 8	55	37	0.36	0.1
June 9	60	37	0.00	0.0
June 10	67	31	0.00	0.0
June 11	68	40	0.00	0.0
June 12	71	36	0.00	0.0
June 13	79	39	0.00	0.0
June 14	72	50	0.00	0.0
June 15	76	46	0.00	0.0
June 16	78	46	0.00	0.0
June 17	80	56	0.00	0.0
June 18	86	54	0.00	0.0
June 19	82	49	0.00	0.0
June 20	83	43	0.00	0.0
June 21	78	47	0.02	0.0
June 22	71	48	0.00	0.0
June 23	74	48	0.00	0.0
June 24	83	45	0.15	0.0
June 25	64	41	0.34	0.0
June 26	66	36	0.00	0.0
June 27	70	40	0.00	0.0
June 28	73	42	0.00	0.0
June 29	71	52	0.00	0.0
June 30	65	47	0.15	0.0

July 1999 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	64	44	0.28
July 2	66	41	0.00
July 3	68	43	0.00
July 4	61	44	0.15
July 5	75	44	0.00
July 6	82	39	0.00
July 7	85	51	0.00
July 8	74	48	0.00
July 9	74	42	0.00
July 10	86	42	0.00
July 11	90	50	0.00
July 12	91	50	0.00
July 13	87	53	0.00
July 14	89	51	0.31
July 15	57	40	0.00
July 16	61	36	0.00
July 17	75	37	0.00
July 18	78	47	0.00
July 19	88	44	0.00
July 20	90	45	0.00
July 21	89	50	0.06
July 22	86	51	0.00
July 23	92	48	0.00
July 24	87	48	0.01
July 25	78	48	0.00
July 26	89	42	0.00
July 27	98	43	0.00
July 28	99	56	0.00
July 29	96	63	0.00
July 30	80	49	0.00
July 31	69	48	0.00

August 1999 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	76	38	0.00
August 2	85	47	0.00
August 3	91	53	0.00
August 4	75	59	0.14
August 5	85	58	0.10
August 6	82	53	0.00
August 7	90	52	0.00
August 8	83	53	0.00
August 9	87	48	0.00
August 10	93	54	0.00
August 11	69	56	0.90
August 12	74	56	0.35
August 13	78	51	0.01
August 14	77	48	0.04
August 15	69	54	0.00
August 16	77	53	0.00
August 17	82	49	0.00
August 18	91	46	0.00
August 19	88	57	0.00
August 20	91	51	0.00
August 21	90	54	0.13
August 22	83	51	0.00
August 23	93	48	0.00
August 24	94	57	0.00
August 25	84	63	0.00
August 26	91	58	0.00
August 27	91	49	0.01
August 28	72	59	0.04
August 29	87	56	0.00
August 30	97	59	0.00
August 31	61	38	0.46

September 1999 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	60	36	0.00
September 2	48	43	0.94
September 3	52	39	0.12
September 4	68	38	0.00
September 5	79	43	0.00
September 6	70	44	0.01
September 7	67	42	0.00
September 8	67	35	0.00
September 9	80	39	0.00
September 10	69	47	0.02
September 11	56	36	0.17
September 12	62	31	0.00
September 13	72	34	0.00
September 14	72	37	0.00
September 15	79	40	0.00
September 16	82	37	0.00
September 17	76	40	0.00
September 18	58	35	0.00
September 19	65	29	0.00
September 20	77	37	0.00
September 21	83	44	0.00
September 22	84	46	0.00
September 23	86	50	0.00
September 24	65	47	0.00
September 25	61	41	0.00
September 26	44	32	0.44
September 27	47	30	0.02
September 28	54	27	0.00
September 29	64	42	0.00
September 30	50	31	0.00

October 1999 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	36	30	0.01	0.1
October 2	32	18	0.13	2.0
October 3	62	17	0.00	0.0
October 4	72	37	0.00	0.0
October 5	68	30	0.00	0.0
October 6	66	37	0.00	0.0
October 7	62	41	0.00	0.0
October 8	72	50	0.00	0.0
October 9	59	32	0.00	0.0
October 10	54	28	0.00	0.0
October 11	59	30	0.00	0.0
October 12	54	31	0.00	0.0
October 13	76	46	0.00	0.0
October 14	60	31	0.00	0.0
October 15	45	19	0.00	0.0
October 16	47	18	0.00	0.0
October 17	57	33	0.00	0.0
October 18	49	31	0.04	0.0
October 19	62	34	0.00	0.0
October 20	71	39	0.00	0.0
October 21	74	41	0.00	0.0
October 22	73	31	0.00	0.0
October 23	77	44	0.00	0.0
October 24	65	32	0.00	0.0
October 25	69	28	0.00	0.0
October 26	63	32	0.26	1.1
October 27	44	30	0.23	2.2
October 28	57	39	0.00	0.0
October 29	53	37	0.00	0.0
October 30	67	47	0.00	0.0
October 31	66	30	0.00	0.0

November 1999 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	43	20	0.00	0.0
November 2	59	35	0.00	0.0
November 3	63	35	0.00	0.0
November 4	57	21	0.00	0.0
November 5	56	16	0.00	0.0
November 6	68	42	0.00	0.0
November 7	76	45	0.00	0.0
November 8	69	38	0.00	0.0
November 9	59	41	0.00	0.0
November 10	63	43	0.00	0.0
November 11	65	42	0.00	0.0
November 12	74	52	0.00	0.0
November 13	62	32	0.00	0.0
November 14	71	46	0.00	0.0
November 15	64	29	0.00	0.0
November 16	61	35	0.00	0.0
November 17	45	26	0.00	0.0
November 18	40	29	0.16	0.5
November 19	49	30	0.00	0.0
November 20	52	31	0.00	0.0
November 21	43	24	0.00	0.0
November 22	40	21	0.00	0.0
November 23	41	23	0.00	0.0
November 24	44	29	0.00	0.0
November 25	46	33	0.01	0.0
November 26	34	29	0.28	1.2
November 27	32	21	0.00	0.0
November 28	47	20	0.00	0.0
November 29	55	37	0.00	0.0
November 30	63	32	0.00	0.0

December 1999 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	46	28	0.00	0.0
December 2	43	35	0.00	0.0
December 3	37	22	0.00	0.0
December 4	41	19	0.00	0.0
December 5	45	33	0.00	0.0
December 6	46	31	0.00	0.0
December 7	41	18	0.00	0.0
December 8	37	13	0.00	0.0
December 9	40	23	0.00	0.0
December 10	40	24	0.00	0.0
December 11	43	25	0.00	0.0
December 12	51	26	0.00	0.0
December 13	45	17	0.02	0.0
December 14	36	24	0.00	0.0
December 15	47	25	0.00	0.0
December 16	51	30	0.00	0.0
December 17	46	28	0.00	0.0
December 18	46	21	0.01	0.2
December 19	21	15	0.00	0.0
December 20	41	17	0.00	0.0
December 21	39	30	0.00	0.0
December 22	48	27	0.00	0.0
December 23	51	32	0.00	0.0
December 24	55	38	0.00	0.0
December 25	51	21	0.00	0.0
December 26	48	16	0.00	0.0
December 27	53	28	0.00	0.0
December 28	58	41	0.00	0.0
December 29	56	34	0.00	0.0
December 30	48	22	0.00	0.0
December 31	44	21	0.00	0.0

Next Year >

Weather Station Details

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