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 >

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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

Night 4 Lows	Night 5 Lows	Night 6 Lows

Night 7 Lows	6 - 10 Day Outlook	8 - 14 Day Outlook

More Information More Temperature and Precipitation Outlooks
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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

Greybull Airport

(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

Boulder Rearing Station
(1989-2021)

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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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)															Top of Page

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