National Weather Service United States Department of Commerce

Locally Heavy Rain The Next Few Days; Inclement Weather Returns To Northwest Late In The Week

Locally heavy rainfall is expected the next few days in multiple areas of the Lower 48. Today rain is expected across the East, then on Wednesday in the southern Plains and Lower Mississippi Valley and finally on Thursday across the Ohio Valley. Meanwhile, a very inclement weather pattern will take shape late week into the weekend for the Northwest, West Coast and much of the West. Read More >

Fall First Freeze Information
Current Freeze Watches  Quick Jumps Current Freeze Warnings
MRCC's First Freeze Graphics  Climatological First Freeze Graphics  7 Day Minimum Temperature Forecast Freeze Data for Specific Cities  Growing Season Data for Specific Cities
 
Click on Images to Enlarge

 


Midwestern Regional Climate Center Graphics
 
Greatest Consecutive Hours <= 32°F: Last 7 Days
 

Midwestern Regional Climate Center Graphics

First Freeze Data:
32° F

 
Dates of First 32°F Freeze: Wyoming
Days since Most Recent 32°F Freeze
Date of Most Recent 32°F Freeze
Over past 14 days
Number of Days <=
32°F
Growing Degree Days (base 42°F) Since Most Recent 32°F Freeze

Midwestern Regional Climate Center Graphics

First Hard Freeze Data:
28° F

 
Dates of First 28°F Freeze: Wyoming
Days since Most Recent 28°F Freeze
Date of Most Recent 28°F Freeze
Over past 14 days
Number of Days <=
28°F
Growing Degree Days (base 42°F) Since Most Recent 28°F Freeze
Climatological First Freeze Graphics
Date of Median First 32° F Freeze
Date of Early First 32° F Freeze
Date of Late First 32° F Freeze
 
 
Date of Median First 28° F Freeze
Date of Early First 28° F Freeze
Date of Late First 28° F Freeze
7 Day Minimum Temperature Forecast
Tonight's Lows
Tomorrow Night's Lows
Night 3 Lows
 
Tonight's Lows - Click to Enlarge
 
Tomorrow Night's Lows - Click to Enlarge
Night 3 Lows - Click to Enlarge
Night 4 Lows
Night 5 Lows
Night 6 Lows
Night 4 Lows - Click to Enlarge
Night 5 Lows - Click to Enlarge
Night 6 Lows - Click to Enlarge
Night 7 Lows
6 - 10 Day Outlook
8 - 14 Day Outlook
Night 7 Lows - Click to Enlarge
6 - 10 Day Outlook - Click to Enlarge
8 - 14 Day Outlook - Click to Enlarge

More Information

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Climatological First Freeze Data

Location

County

Elev.
(ft)

 

Early

Average

Late

 

2022
 33F-36F

2022
29F-32F

2022
<=28F

 

2021
<=32F

2020
<=32F

2019
<=32F

2018
<=32F

Clark 3NE
(1961-2021)
Park 4090   AUG 23
(2015)
SEP 17 OCT 15
(1963)
  SEP  10 8 OCT 14 OCT   21 SEP 9 SEP 30 SEP 25 SEP
Cody Airport
(1915-2021)
Park 5100   AUG 21
(1945)
SEP 22 NOV 1
(1940)
  12 OCT 17 OCT 24 OCT   11 OCT 7 SEP 29 SEP 29 SEP
(1916-2021)
Big Horn 4105   AUG 26
(1992)
SEP 19 OCT 17
(2015)
  11 SEP 8 OCT 20 OCT   30 SEP 10 SEP 3 OCT 2 OCT
(1999-2021)
Big Horn 3935  

SEP 9
(2020)

SEP 30 OCT 18
(2011)
  8 OCT 12 OCT 20 OCT   21 SEP 9 SEP 3 OCT 26 SEP
Thermopolis
(1899-2021)
Hot Springs 4315   AUG 15
(1938)
SEP 22 OCT 19
(2007)
  8 OCT 14 OCT 26 OCT   30 SEP 8 SEP 3 OCT 26 SEP
Worland Airport
(1960-2021)
Washakie 4245   SEP 2
(1974)
SEP 28 OCT 18
(1989)
  10 SEP 8 OCT 16 OCT   21 SEP 8 SEP 2 OCT 21 SEP
Buffalo
(1899-2020)
Johnson 4670   AUG 15
(2012)
SEP 19 OCT 17
(1963)
  M M M   M 8 SEP 1 OCT 25 SEP
Buffalo Airport
(1999-2021)
Johnson 4970   SEP 8
(2020)
SEP 30 OCT 19
(2011)
  23 OCT 23 OCT 25 OCT   11 OCT 8 SEP 1 OCT 28 SEP
Kaycee
(1949-2021)
Johnson 4975   AUG 20
(1964)
SEP 16 OCT 16
(2015)
  9 OCT 9 OCT 13 OCT   22 SEP 8 SEP 2 OCT 26 SEP
Moose
(1958-2021)
Teton 6470   AUG 1
(1995)
AUG 22 SEP 23
(1998)
  10 SEP 10 SEP 9 OCT   29 AUG 8 SEP 18 SEP 1 SEP
Dubois
(1907-2021)
Fremont 6955   AUG 1
(1927)
AUG 26 SEP 21
(1990)
  11 SEP

11 SEP

4 OCT   4 SEP 8 SEP 18 SEP 1 SEP
Riverton
(1907-2021)
Fremont 4950   AUG 7
(1912)
SEP 17 OCT 12
(2015)
  11 SEP 8 OCT 12 OCT   21 SEP 8 SEP 3 OCT 25 SEP
Lander (town)
(1999-2020)
Fremont 5320   AUG 31
(2005)
SEP 15 SEP 20
(2017)
  M M M   M 7 SEP 2 OCT 21 SEP
Lander Hunt Field
(1891-2021)
Fremont 5585   AUG 22
(1904)
SEP 25 OCT 25
(2010)
  13 OCT 16 OCT 24 OCT   21 SEP 7 SEP 2 OCT 26 SEP
Jeffrey City
(1964-2021)
Fremont 6320   AUG 10
(2014)
SEP 10 OCT 5
(2001)
  11 SEP 14 SEP 6 OCT   21 SEP 31 AUG 18 SEP 29 SEP
Casper Airport
(1939-2021)
Natrona 5320   AUG 23
(2015)
SEP 20 OCT 28
(1940)
  11 SEP 25 SEP 6 OCT    17 SEP 7 SEP 2 OCT 21 SEP

Location

County

Elev.
(ft)

 

Early    

Average

Late 

 

2021
33F-36F

2021
29F-32F

2021
<=28F

 

2020
<=32F

2019
<=32F

2018
<=32F

2017
<=32F

Afton
(1957-2021)
Lincoln 6245   AUG 2
(1975)
AUG 25 SEP 24
(1963)
  8 AUG 2 SEP 12 OCT   4 SEP 31 AUG 27 AUG 29 AUG
Bedford 3 SE
(1975-2021)
Lincoln 6425   AUG 1
(2000)
AUG 27 OCT 2
(1990)
  9 SEP 10 SEP 14 OCT   29 AUG 1 SEP 18 SEP 4 SEP
Sublette 6940   AUG 1
(1995)
AUG 21 SEP 19
(2013)
  29 AUG 9 SEP 11 SEP   10 AUG 30 AUG 1 AUG 24 AUG
Big Piney Airport
(1998-2021)
Sublette 6975   AUG 4
(2016)
AUG 24 SEP 19
(2013)
  9 SEP 10 SEP 5 OCT   10 AUG 31 AUG 13 AUG 28 AUG
Fossil Butte
(1990-2021)
Lincoln 6780   AUG 1
(1995)
AUG 24 SEP 19
(2013)
  28 AUG 13 SEP 11 SEP   27 AUG 16 AUG 13 AUG 26 AUG
Green River
(1905-2021)
Sweetwater 6130   AUG 4
(1980)
SEP 11 OCT 23
(2015)
  24 SEP 14 OCT 24 OCT   21 SEP 8 SEP 1 OCT 25 SEP
Rock Springs Apt.
(1948-2021)
Sweetwater 6760   SEP 1
(1973)
SEP 21 OCT 24
(1963)
  10 SEP 5 OCT 16 OCT   21 SEP 7 SEP 18 SEP 25 SEP
*Month Day* = record earliest freeze    *Month Day* = Record latest freeze

*** Data Updated on November 25, 2022 ***

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td>
Growing Season Data
Location County Elev. (ft) Longest Growing Season
Average Growing Season (Days)
Shortest Growing Season 2022   2021 2020 2019 2018

Clark 3 NE
(1961-2021)

Park 4090
150 (2013)
116
71 (1976)
135  
113
123
112
104
Deaver
(1916-2021)
Big Horn 4105
165 (2017, 2018)
124
86 (1992)
138  
157
123
151
165
Thermopolis
(1899-2021)
Hot Springs 4315
181 (2007)
128

65 (1938)

144  
143
139
152
147
Worland
(1960-2021)
Washakie 4245
176 (1989)
140
102 (1974 ) 
114  
132
122
144
146
Buffalo
(1899-2020)
Johnson 4670
156 (1998)
120
57 (1904)
M   M 120
113
144
Kaycee
(1949-2021)
Johnson 4975
147 (2015)
113
56 (1904)
128   131 105
130
82
Moose
(1958-2021)
Teton 6470
104 (1961)
51
0 (1995)
80  
77
89
82
64
Dubois
(1907-2021)
Fremont 6955
111 (2017) 
61
0 (1995)
88  
83
80
87
80

 

Riverton
(1907-2021)
Fremont 4950
159 (1998)
119
67 (1989)
138  
134
106
133
150
Lander (town)
(1999-2020)
Fremont 5320
139 (2018)
102
81 (2000, 2005)
M  
M
118
114
136
Lander Apt.
(1891-2021)
Fremont 5585
170 (1987)
122
57 (1904)
146  
133
118
114
136
Jeffrey City
(1964-2021)
Fremont 6320
130 (2021)
101
53 (1985, 1993)
104  
130
96
99
105
Casper Apt.
(1939-2021)
Natrona 5320
165 (1963)
121
78 (1972)
122  
112
80
113
141
Location County Elev. (ft) Longest Growing Season
Average Growing Season (Days)
Shortest Growing Season 2021   2020 2019 2018 2017
Afton
(1957-2021)
Lincoln 6245  111 (2017) 56 8 (2015) 67   83 82 65 77
Bedford 3 SE
(1975-2021)
Lincoln 6425
109 (1990)
63
5(2000)
79  
77
82
86
82
Boulder Rearing Station
(1989-2021)
Sublette 6940
86 (2013)
53
19 (2016)
81  
58
72
52
71
Big Piney
(1998-2021)
Sublette 6975
87 (2013)
58
2 (1987)
57  
58
46
48
57
Fossil Butte
(1990-2021)
Lincoln 6780
89 (2013)
50
0 (1995)
73  
74
31
44
55
Green River
(1905-2021)
Sweetwater 6130
149 (2015)
100
45 (1968)
141  
131
106
112 
145
Rock Springs Apt.
(1948-2021)
Sweetwater 6760
155 (1963)
116
73 (1973)

145

 
131
105
100
145

 

Jeffrey City (2021) = New record set in 2021.  M = missing data during the period.
Growing Season = Number of Days between last Spring Freeze and first Fall freeze (<= 32°F)

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