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West Yellowstone Weather in 1986

Historical record of West Yellowstone, Montana weather for the year 1986 based on NOAA data.
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1986 West Yellowstone Weather Extremes
Highest temperature 87 °F August 18
Lowest temperature -31 °F February 11
Highest daily low 50 °F July 3
Lowest daily high 15 °F November 10
Most daily precipitation 2.3 inches August 21
Most daily snow 13.1 inches April 12
Total annual precipitation 20.5 inches -
Total annual snow 165.2 inches -
What was the hottest temperature in West Yellowstone in 1986?
The highest temperature recorded in West Yellowstone, Montana in 1986 was 87 °F which happened 2 different times.
Highest Temperatures: All-Time By Year
Highest Temperatures in West Yellowstone in 1986
Rank Temperature Date
1 87 °F Aug 18
1 87 °F Aug 10
3 85 °F Aug 28
3 85 °F Aug 7
5 84 °F Aug 16
5 84 °F Aug 9
5 84 °F Aug 6
5 84 °F Aug 2
5 84 °F Jul 2
5 84 °F Jun 24
5 84 °F May 31
What was the coldest temperature in West Yellowstone in 1986?
The lowest temperature recorded in West Yellowstone, Montana in 1986 was -31 °F which happened on Feb 11.
Lowest Temperatures: All-Time By Year
Lowest Temperatures in West Yellowstone in 1986
Rank Temperature Date
1 -31 °F February 11
2 -27 °F February 8
3 -25 °F November 10
3 -25 °F February 7
5 -23 °F February 9
6 -22 °F December 11
6 -22 °F December 9
8 -18 °F December 18
8 -18 °F December 10
10 -16 °F December 29
10 -16 °F November 12
10 -16 °F January 5
January 1986 West Yellowstone Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
January 1
 24 19 0.28 4.2
January 2
 26 13 0.02 0.7
January 3
 29 15 0.14 3.4
January 4
 24 -14 0.02 1.3
January 5
 15 -16 0.15 3.3
January 6
 34 13 0.06 1.2
January 7
 26 0 0.00 0.0
January 8
 28 -6 0.00 0.0
January 9
 31 -5 0.00 0.0
January 10
 33 2 0.00 0.0
January 11
 42 -2 0.00 0.0
January 12
 32 -7 0.00 0.0
January 13
 35 -13 0.00 0.0
January 14
 30 -13 0.00 0.0
January 15
 26 -11 0.15 2.0
January 16
 32 24 0.16 2.2
January 17
 33 20 0.28 2.7
January 18
 32 22 0.03 0.3
January 19
 47 28 0.00 0.0
January 20
 38 22 0.11 2.3
January 21
 26 4 0.01 0.4
January 22
 26 -2 0.01 1.1
January 23
 31 15 0.24 3.6
January 24
 25 12 0.00 0.0
January 25
 29 0 0.00 0.0
January 26
 32 -9 0.00 0.0
January 27
 39 -11 0.00 0.0
January 28
 38 27 0.00 0.0
January 29
 37 29 0.12 1.1
January 30
 39 28 0.15 1.4
January 31
 36 30 0.02 0.2
February 1986 West Yellowstone Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
February 1
 39 31 0.07 1.3
February 2
 40 29 0.18 3.3
February 3
 34 25 0.06 1.2
February 4
 37 17 0.02 0.4
February 5
 31 12 0.02 0.6
February 6
 25 -5 0.00 0.0
February 7
 21 -25 0.00 0.0
February 8
 19 -27 0.00 0.0
February 9
 17 -23 0.00 0.0
February 10
 18 -11 0.02 0.3
February 11
 20 -31 0.00 0.0
February 12
 20 -12 0.26 11.3
February 13
 20 -3 0.41 8.1
February 14
 30 2 0.30 3.7
February 15
 35 28 0.49 5.5
February 16
 33 30 0.26 4.2
February 17
 32 27 0.41 4.1
February 18
 35 28 0.27 5.2
February 19
 32 18 0.28 4.8
February 20
 36 17 0.02 0.4
February 21
 34 23 0.01 0.3
February 22
 33 23 0.30 6.5
February 23
 34 28 0.06 0.8
February 24
 44 32 0.01 0.0
February 25
 50 35 0.00 0.0
February 26
 48 22 0.00 0.0
February 27
 50 9 0.00 0.0
February 28
 51 9 0.00 0.0
March 1986 West Yellowstone Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
March 1
 52 11 0.00 0.0
March 2
 55 18 0.00 0.0
March 3
 35 10 0.00 0.0
March 4
 44 15 0.00 0.0
March 5
 46 12 0.00 0.0
March 6
 45 25 0.00 0.0
March 7
 37 31 0.29 0.0
March 8
 38 32 0.78 3.2
March 9
 39 26 0.07 1.5
March 10
 37 25 0.08 1.6
March 11
 41 27 0.10 1.7
March 12
 40 23 0.04 0.9
March 13
 38 18 0.00 0.0
March 14
 40 14 0.02 0.3
March 15
 38 13 0.00 0.0
March 16
 43 4 0.00 0.0
March 17
 35 22 0.02 0.5
March 18
 41 10 0.00 0.0
March 19
 44 14 0.00 0.0
March 20
 44 15 0.00 0.0
March 21
 47 17 0.00 0.0
March 22
 45 28 0.00 0.0
March 23
 50 19 0.00 0.0
March 24
 49 27 0.05 0.3
March 25
 40 19 0.00 0.0
March 26
 46 17 0.00 0.0
March 27
 54 17 0.00 0.0
March 28
 58 21 0.00 0.0
March 29
 59 32 0.00 0.0
March 30
 55 29 0.00 0.0
March 31
 n/a 23 0.00 0.0
April 1986 West Yellowstone Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
April 1
 45 14 0.02 0.3
April 2
 37 27 0.00 0.0
April 3
 47 20 0.00 0.0
April 4
 44 18 0.00 0.0
April 5
 50 15 0.00 0.0
April 6
 56 20 0.00 0.0
April 7
 57 19 0.07 0.0
April 8
 54 30 0.14 0.8
April 9
 49 31 0.05 0.0
April 10
 46 30 0.50 1.8
April 11
 45 32 0.13 0.4
April 12
 38 23 1.18 13.1
April 13
 33 10 0.29 3.6
April 14
 40 -5 0.00 0.0
April 15
 53 8 0.00 0.0
April 16
 40 25 0.11 0.6
April 17
 44 22 0.00 0.2
April 18
 42 16 0.00 0.0
April 19
 42 24 0.00 0.0
April 20
 56 35 0.00 0.0
April 21
 62 27 0.00 0.0
April 22
 64 28 0.00 0.0
April 23
 n/a 26 0.00 0.0
April 24
 42 26 0.00 0.0
April 25
 39 27 0.19 0.9
April 26
 39 24 0.02 0.6
April 27
 36 28 0.22 2.4
April 28
 45 30 0.14 0.9
April 29
 37 23 0.31 4.2
April 30
 45 16 0.00 0.0
May 1986 West Yellowstone Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
May 1
 64 21 0.01 0.0
May 2
 69 30 0.00 0.0
May 3
 69 28 0.00 0.0
May 4
 50 33 0.03 0.0
May 5
 44 26 0.00 0.0
May 6
 39 21 0.06 0.0
May 7
 37 31 0.02 0.3
May 8
 38 28 0.03 0.4
May 9
 46 26 0.00 0.0
May 10
 39 31 0.09 0.0
May 11
 39 27 0.16 1.5
May 12
 45 27 0.01 0.2
May 13
 43 27 0.03 0.0
May 14
 44 24 0.00 0.0
May 15
 45 20 0.00 0.0
May 16
 54 28 0.07 1.8
May 17
 55 19 0.00 0.0
May 18
 58 26 0.00 0.0
May 19
 69 29 0.00 0.0
May 20
 70 35 0.00 0.0
May 21
 60 31 0.16 1.0
May 22
 42 27 0.03 0.5
May 23
 52 19 0.00 0.0
May 24
 65 25 0.00 0.0
May 25
 75 28 0.00 0.0
May 26
 78 36 0.00 0.0
May 27
 78 34 0.00 0.0
May 28
 80 35 0.00 0.0
May 29
 80 36 0.00 0.0
May 30
 82 33 0.00 0.0
May 31
 84 35 0.00 0.0
June 1986 West Yellowstone Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
June 1
 81 41 0.00 0.0
June 2
 81 42 0.00 0.0
June 3
 69 44 0.14 0.0
June 4
 75 40 0.00 0.0
June 5
 77 45 0.04 0.0
June 6
 65 39 0.08 0.0
June 7
 66 40 0.05 0.0
June 8
 55 45 0.01 0.0
June 9
 57 40 0.86 0.0
June 10
 70 30 0.00 0.0
June 11
 72 36 0.00 0.0
June 12
 74 44 0.10 0.0
June 13
 75 36 0.00 0.0
June 14
 72 37 0.28 0.0
June 15
 67 41 0.00 0.0
June 16
 80 36 0.00 0.0
June 17
 82 39 0.00 0.0
June 18
 78 36 0.00 0.0
June 19
 69 48 0.00 0.0
June 20
 70 32 0.00 0.0
June 21
 65 35 0.00 0.0
June 22
 73 29 0.00 0.0
June 23
 80 34 0.00 0.0
June 24
 84 36 0.00 0.0
June 25
 79 43 0.04 0.0
June 26
 79 40 0.00 0.0
June 27
 82 43 0.05 0.0
June 28
 80 39 0.00 0.0
June 29
 73 46 0.18 0.0
June 30
 71 37 0.00 0.0
July 1986 West Yellowstone Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
July 1
 76 36 0.00 0.0
July 2
 84 38 0.00 0.0
July 3
 70 50 0.30 0.0
July 4
 73 42 0.00 0.0
July 5
 51 35 0.00 0.0
July 6
 69 24 0.00 0.0
July 7
 69 46 0.02 0.0
July 8
 74 35 0.47 0.0
July 9
 60 45 0.71 0.0
July 10
 65 42 0.14 0.0
July 11
 63 45 0.03 0.0
July 12
 68 32 0.00 0.0
July 13
 75 35 0.00 0.0
July 14
 78 37 0.00 0.0
July 15
 77 42 0.00 0.0
July 16
 67 47 0.10 0.0
July 17
 66 35 0.00 0.0
July 18
 74 33 0.04 0.0
July 19
 80 31 0.00 0.0
July 20
 82 46 0.00 0.0
July 21
 81 43 0.00 0.0
July 22
 74 42 0.04 0.0
July 23
 75 43 0.00 0.0
July 24
 73 48 0.01 0.0
July 25
 67 47 0.14 0.0
July 26
 63 47 0.29 0.0
July 27
 63 40 0.16 0.0
July 28
 75 35 0.03 0.0
July 29
 72 41 0.00 0.0
July 30
 68 44 0.01 0.0
July 31
 75 42 0.03 0.0
August 1986 West Yellowstone Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
August 1
 81 38 0.00 0.0
August 2
 84 38 0.00 0.0
August 3
 81 47 0.01 0.0
August 4
 81 40 0.00 0.0
August 5
 83 42 0.00 0.0
August 6
 84 36 0.00 0.0
August 7
 85 38 0.00 0.0
August 8
 80 39 0.00 0.0
August 9
 84 38 0.00 0.0
August 10
 87 37 0.00 0.0
August 11
 77 49 0.18 0.0
August 12
 75 40 0.04 0.0
August 13
 72 34 0.00 0.0
August 14
 78 38 0.00 0.0
August 15
 80 36 0.00 0.0
August 16
 84 39 0.00 0.0
August 17
 83 44 0.00 0.0
August 18
 87 38 0.00 0.0
August 19
 74 44 0.00 0.0
August 20
 81 42 0.02 0.0
August 21
 n/a 43 2.32 0.0
August 22
 72 35 0.00 0.0
August 23
 69 36 0.06 0.0
August 24
 77 37 0.00 0.0
August 25
 71 48 0.40 0.0
August 26
 80 40 0.00 0.0
August 27
 82 38 0.00 0.0
August 28
 85 38 0.00 0.0
August 29
 71 46 0.04 0.0
August 30
 73 42 0.09 0.0
August 31
 61 42 0.18 0.0
September 1986 West Yellowstone Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
September 1
 n/a n/a n/a n/a
September 2
 n/a n/a n/a n/a
September 3
 n/a n/a n/a n/a
September 4
 n/a n/a n/a n/a
September 5
 n/a n/a n/a n/a
September 6
 n/a n/a n/a n/a
September 7
 n/a n/a n/a n/a
September 8
 n/a n/a n/a n/a
September 9
 n/a n/a n/a n/a
September 10
 n/a n/a n/a n/a
September 11
 n/a n/a n/a n/a
September 12
 n/a n/a n/a n/a
September 13
 n/a n/a n/a n/a
September 14
 n/a n/a n/a n/a
September 15
 n/a n/a n/a n/a
September 16
 n/a n/a n/a n/a
September 17
 n/a n/a n/a n/a
September 18
 n/a n/a n/a n/a
September 19
 n/a n/a n/a n/a
September 20
 n/a n/a n/a n/a
September 21
 n/a n/a n/a n/a
September 22
 n/a n/a n/a n/a
September 23
 n/a n/a n/a n/a
September 24
 n/a n/a n/a n/a
September 25
 n/a n/a n/a n/a
September 26
 n/a n/a n/a n/a
September 27
 n/a n/a n/a n/a
September 28
 n/a n/a n/a n/a
September 29
 n/a n/a n/a n/a
September 30
 n/a n/a n/a n/a
October 1986 West Yellowstone Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
October 1
 45 32 0.00 0.0
October 2
 41 28 0.04 0.6
October 3
 49 20 0.00 0.0
October 4
 41 27 0.00 0.0
October 5
 59 27 0.00 0.0
October 6
 62 23 0.00 0.0
October 7
 61 23 0.00 0.0
October 8
 59 27 0.00 0.0
October 9
 61 20 0.00 0.0
October 10
 36 20 0.00 0.0
October 11
 42 14 0.00 0.0
October 12
 54 7 0.00 0.0
October 13
 52 12 0.00 0.0
October 14
 56 15 0.00 0.0
October 15
 62 14 0.00 0.0
October 16
 62 14 0.00 0.0
October 17
 60 17 0.00 0.0
October 18
 49 22 0.00 0.0
October 19
 61 25 0.00 0.0
October 20
 56 25 0.08 0.0
October 21
 59 32 0.00 0.0
October 22
 60 20 0.00 0.0
October 23
 59 18 0.00 0.0
October 24
 57 19 0.00 0.0
October 25
 58 23 0.00 0.0
October 26
 55 20 0.00 0.0
October 27
 54 25 0.04 0.0
October 28
 45 23 0.00 0.0
October 29
 50 19 0.00 0.0
October 30
 41 29 0.19 0.0
October 31
 41 19 0.00 0.0
November 1986 West Yellowstone Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
November 1
 46 12 0.00 0.0
November 2
 47 11 0.00 0.0
November 3
 51 18 0.00 0.0
November 4
 47 16 0.00 0.0
November 5
 43 29 0.03 0.2
November 6
 34 19 0.68 9.8
November 7
 24 -2 0.00 0.0
November 8
 28 4 0.03 0.6
November 9
 21 0 0.03 0.5
November 10
 15 -25 0.00 0.0
November 11
 22 10 0.28 5.0
November 12
 24 -16 0.00 0.0
November 13
 31 -5 0.00 0.0
November 14
 36 26 0.00 0.0
November 15
 33 27 0.00 0.0
November 16
 29 26 0.02 1.3
November 17
 36 11 0.04 1.1
November 18
 42 5 0.00 0.0
November 19
 n/a 24 0.12 0.8
November 20
 35 26 0.00 0.0
November 21
 35 n/a 0.13 1.0
November 22
 n/a 10 0.01 0.4
November 23
 25 18 0.08 1.2
November 24
 31 25 0.00 0.0
November 25
 37 3 0.00 0.0
November 26
 26 -6 0.00 0.0
November 27
 35 22 0.00 0.0
November 28
 38 24 0.00 0.0
November 29
 37 21 0.00 0.0
November 30
 32 -3 0.00 0.0
December 1986 West Yellowstone Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
December 1
 31 2 0.00 0.0
December 2
 30 -6 0.00 0.0
December 3
 27 -11 0.00 0.0
December 4
 30 -7 0.00 0.0
December 5
 35 15 0.03 0.5
December 6
 37 16 0.04 0.8
December 7
 30 -2 0.00 0.0
December 8
 28 -7 0.01 1.0
December 9
 21 -22 0.00 0.0
December 10
 18 -18 0.00 0.0
December 11
 20 -22 0.00 0.0
December 12
 25 -15 0.00 0.0
December 13
 24 -12 0.00 0.0
December 14
 28 4 0.00 0.0
December 15
 37 1 0.00 0.0
December 16
 37 1 0.00 0.0
December 17
 26 -12 0.00 0.0
December 18
 24 -18 0.00 0.0
December 19
 16 -14 0.01 0.6
December 20
 33 -1 0.00 0.0
December 21
 25 -4 0.00 0.0
December 22
 25 -2 0.00 0.0
December 23
 31 10 0.00 0.0
December 24
 25 9 0.00 0.0
December 25
 25 9 0.00 0.0
December 26
 22 0 0.01 0.4
December 27
 21 -7 0.00 0.0
December 28
 22 -15 0.00 0.0
December 29
 23 -16 0.00 0.0
December 30
 25 10 0.00 0.0
December 31
 26 -7 0.01 0.5
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