Montana USA weather data
Montana USA Weather Data, Plant Disease Risk and Degree-Day Models
MT DOT Network - other tables for MT include: All Networks, AGRIMET, CWOP/APRS, COOP, HADS, METAR, RAWS, MSUSPUD, see our homepage.
Interactive degree-day maps
Montana USA base 32 degree-days to date
Degree-day & Phenology Model Calculator
 Also try the full-featured calculator/DD model
Select model: 
Thresholds: lower: °F   upper: °F (or celsius °C:)
  Calc. method:
Start (biofix) date:   End date:   
 Forecast type:   
Statewide Disease Alert Maps: tomato-potato Smith late blight, Tomcast DSV, fire blight,
Data table - to SORT click on headers:
# Location linked to
hourly weather,
plant disease models and
forecasts
using
"Mypest Page"
 
County
Re-
cent
data QA
Fore-
cast
based
virt
data
Nearby
station
based
virt
data

Station code,
links to
NWS recent
weather

Links to
NWS fore-
casts
 
Net-
work
Elev. (ft)
 
Lat./ Long.
(Dec. Deg.)
 
Max-min temperature data and degree-days
(click radio button to calc.)

10 yr
avgs

30 yr
avgs

nmme
fcast

cfs
fcast
1 Aberdeen Hill I90 MP 5 Big Horn Cou
97
na
na
na
na
MTABR
map
digital
MT_DOT
4101
 45.02833
-107.31722
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
2 Alzada US212 MP 1394 Carter Count
75
na
na
na
na
MTALZ
map
digital
MT_DOT
4327
 45.00250
-104.37333
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
3 Arrow Cr Hill I90 MP 4 Yellowstone
97
na
na
na
na
MTARC
map
digital
MT_DOT
3701
 45.78000
-108.16333
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
4 Ash Creek7 MP 552 Wibaux Count
97
na
na
na
na
MTASH
map
digital
MT_DOT
3051
 46.64889
-104.22778
2026
2025
-
-
nmme
-
5 Avon N141 MP 81 Lewis and Cl
95
na
na
na
na
MTAVN
map
digital
MT_DOT
5085
 46.69667
-112.65917
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
6 Baker7 MP 142 Fallon Count
87
na
na
na
na
MTEKA
map
digital
MT_DOT
3501
 46.08333
-104.43528
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
7 Bearmouth I90 MP 1458 Powell Count
81
na
na
na
na
MTBRM
map
digital
MT_DOT
3901
 46.71833
-113.29528
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
8 Beaver Hill I94 MP 234 Dawson Count
89
na
na
na
na
MTBVR
map
digital
MT_DOT
2799
 47.02194
-104.32972
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
9 Biddle Hwy 59 MP 09 Powder River
96
na
na
na
na
MTBID
map
digital
MT_DOT
3419
 45.01278
-105.37694
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
10 Big Hole Pass CTY278 Beaverhead C
72
na
na
na
na
MTBHP
map
digital
MT_DOT
7400
 45.31528
-113.30944
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
11 Boulder Hill I15 MP 17 Jefferson Co
86
na
na
na
na
MTBOU
map
digital
MT_DOT
6250
 46.32306
-112.06889
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
12 Bowmans200 MP 110 Lewis and Cl
0
na
na
na
na
MTBOW
map
digital
MT_DOT
4301
 47.29194
-112.15167
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
13 Bozeman Pass I90 MP 32 Gallatin Cou
98
na
na
na
na
MTBZH
map
digital
MT_DOT
5748
 45.66667
-110.80389
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
14 Browning US89 Flathead Cou
91
na
na
na
na
MTBWG
map
digital
MT_DOT
4419
 48.53500
-112.98111
2026
2025
2024
2023
2022
2021
-
-
nmme cfs
15 Bull Mtn US87 MP 333 Musselshell
0
na
na
na
na
MTBUL
map
digital
MT_DOT
3898
 46.24722
-108.46111
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
16 Coalwood59 MP 559 Powder River
95
na
na
na
na
MTCWD
map
digital
MT_DOT
3350
 45.72778
-105.59083
2026
2025
-
-
nmme
-
17 Comertown TurnOff- Sheridan Cou
97
na
na
na
na
MTCOM
map
digital
MT_DOT
2100
 48.81000
-104.25278
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
18 Cow Cr13 MP 199 McCone Count
78
na
na
na
na
MTCOW
map
digital
MT_DOT
2500
 47.68833
-105.49167
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
19 Crystal Cr US2 MP 53 Lincoln Coun
56
na
na
na
na
MTCRY
map
digital
MT_DOT
3038
 48.11750
-115.42000
2026
2025
2022
2021
2020
2019
2018
2017
AVG AVG nmme
-
20 Deep Cr US12 MP 235 Meagher Coun
85
na
na
na
na
MTDPC
map
digital
MT_DOT
5870
 46.35139
-111.06667
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
21 Dickey Lk US93 MP 160 Flathead Cou
63
na
na
na
na
MTDKY
map
digital
MT_DOT
3488
 48.69444
-114.78417
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
22 E Livingston I90 MP 33 Park County
92
na
na
na
na
MTELV
map
digital
MT_DOT
4501
 45.68528
-110.50444
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
23 E of Denton81 MP 1 Fergus Count
91
na
na
na
na
MTDEN
map
digital
MT_DOT
3648
 47.30000
-109.85111
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
24 Ekalaka323 MP 468 Carter Count
83
na
na
na
na
MTEKL
map
digital
MT_DOT
3688
 45.31194
-104.46639
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
25 Elk Park Jefferson Co
86
na
na
na
na
MTELK
map
digital
MT_DOT
6292
 46.13583
-112.39778
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
26 Essex US2 MP 1799 Flathead Cou
55
na
na
na
na
MTESX
map
digital
MT_DOT
3848
 48.28167
-113.60639
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
27 Flathead Rvr 35 MP4 Flathead Cou
93
na
na
na
na
MTFLT
map
digital
MT_DOT
2851
 48.21889
-114.23778
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
28 Garrison I90 MP 1744 Lewis and Cl
92
na
na
na
na
MTGAR
map
digital
MT_DOT
4327
 46.52333
-112.80833
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
29 Gary Cooper Brdg I15 M Lewis and Cl
93
na
na
na
na
MTYEP
map
digital
MT_DOT
3799
 47.13944
-111.85889
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
30 Georgetown Lake Granite Coun
92
na
na
na
na
MTGTL
map
digital
MT_DOT
6338
 46.19083
-113.30000
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
31 Geyser Judith Basin
91
na
na
na
na
MTGYS
map
digital
MT_DOT
4221
 47.25000
-110.48000
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
32 Government Hill Custer Count
97
na
na
na
na
MTGOV
map
digital
MT_DOT
3130
 46.39917
-105.62806
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
33 Greenough Hill200 Missoula Cou
69
na
na
na
na
MTGRN
map
digital
MT_DOT
3799
 46.90278
-113.42278
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
34 Hays Site66 MP 10 Phillips Cou
81
na
na
na
na
MTHAY
map
digital
MT_DOT
3697
 47.91917
-108.72583
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
35 Helmville200 MP 53 Lewis and Cl
76
na
na
na
na
MTHLM
map
digital
MT_DOT
4199
 46.96806
-112.97472
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
36 Hillside59 MP 365 Rosebud Coun
74
na
na
na
na
MTHIL
map
digital
MT_DOT
2999
 46.83361
-106.27111
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
37 Home Cr Div US212 MP Powder River
90
na
na
na
na
MTHCD
map
digital
MT_DOT
3934
 45.55194
-105.89278
2026
2025
-
-
nmme
-
38 Homestake Pass Jefferson Co
93
na
na
na
na
MTHOM
map
digital
MT_DOT
6384
 45.91889
-112.40167
2026
2025
-
-
nmme
-
39 Hungry Horse Flathead Cou
88
na
na
na
na
MTHGH
map
digital
MT_DOT
3038
 48.38472
-114.07806
2026
2025
2024
2023
2022
2021
-
-
nmme cfs
40 Hysham Hills I94 MP 59 Rosebud Coun
91
na
na
na
na
MTHYH
map
digital
MT_DOT
3550
 46.16472
-107.30917
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
41 Ingomar Rosebud Coun
85
na
na
na
na
MTING
map
digital
MT_DOT
3018
 46.58389
-107.40000
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
42 Inverness US2 MP 337 Hill County
71
na
na
na
na
MTINV
map
digital
MT_DOT
3301
 48.55306
-110.64806
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
43 Judith Gap US191 MP 1 Judith Basin
93
na
na
na
na
MTJUD
map
digital
MT_DOT
4573
 46.68750
-109.75000
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
44 Lame Deer Div US212 M Rosebud Coun
80
na
na
na
na
MTLAM
map
digital
MT_DOT
4327
 45.62889
-106.51111
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
45 Lewistown Div200 M Fergus Count
89
na
na
na
na
MTLEW
map
digital
MT_DOT
4624
 47.06167
-109.18417
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
46 Lindsay Div200 MP McCone Count
73
na
na
na
na
MTLND
map
digital
MT_DOT
3199
 47.28278
-105.29389
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
47 Livingston River Hill Park County
99
na
na
na
na
MTLRH
map
digital
MT_DOT
4580
 45.64444
-110.55389
2026
2025
-
-
nmme
-
48 Loma US87 MP 531 Chouteau Cou
87
na
na
na
na
MTLOM
map
digital
MT_DOT
2700
 47.95083
-110.50472
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
49 Lookout Pass I90 MP 0 Sanders Coun
56
na
na
na
na
MTLPS
map
digital
MT_DOT
4724
 47.45333
-115.69500
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
50 Lufborough Hill200 Garfield Cou
92
na
na
na
na
MTLUF
map
digital
MT_DOT
2999
 47.07806
-107.57194
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
51 MacDonald Pass US12 M Lewis and Cl
89
na
na
na
na
MTMDP
map
digital
MT_DOT
6325
 46.56139
-112.30917
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
52 Malta S US191 MP 122 Phillips Cou
78
na
na
na
na
MTMAL
map
digital
MT_DOT
3105
 47.96083
-108.30528
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
53 McDonalds13 MP 125 Roosevelt Co
92
na
na
na
na
MTMCD
map
digital
MT_DOT
2402
 48.42722
-105.44222
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
54 McGuire Cr24 MP 2 McCone Count
94
na
na
na
na
MTMCG
map
digital
MT_DOT
2388
 47.64778
-106.15278
2026
2025
-
-
nmme
-
55 Monarch Canyon US89 M Cascade Coun
91
na
na
na
na
MTMON
map
digital
MT_DOT
5197
 47.14278
-110.82306
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
56 Monida Pass I15 MP 03 Beaverhead C
80
na
na
na
na
MTMQM
map
digital
MT_DOT
6824
 44.55750
-112.31361
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
57 Navajo5 167 Daniels Coun
90
na
na
na
na
MTRED
map
digital
MT_DOT
2569
 48.81139
-105.06056
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
58 Ninemile I90 MP 818 Missoula Cou
74
na
na
na
na
MTNNM
map
digital
MT_DOT
4301
 47.02278
-114.38861
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
59 Norris Hill US287 MP Gallatin Cou
86
na
na
na
na
MTNOR
map
digital
MT_DOT
5400
 45.49944
-111.69611
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
60 Pendroy US89 MP 626 Pondera Coun
94
na
na
na
na
MTPND
map
digital
MT_DOT
4199
 48.07306
-112.33417
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
61 Raynolds Pass87 MP Gallatin Cou
89
na
na
na
na
MTRAY
map
digital
MT_DOT
6834
 44.72806
-111.47000
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
62 ReedPt I90 MP 3908 Sweet Grass
87
na
na
na
na
MTRDP
map
digital
MT_DOT
3848
 45.71000
-109.57806
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
63 Rogers Pass Lewis and Cl
91
na
na
na
na
MTROG
map
digital
MT_DOT
5406
 47.08750
-112.37222
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
64 Roscoe Hill78 MP 1 Sweet Grass
83
na
na
na
na
MTROH
map
digital
MT_DOT
3750
 45.33833
-109.49333
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
65 Saco US2 MP 5025 Valley Count
94
na
na
na
na
MTSCO
map
digital
MT_DOT
2180
 48.45139
-107.30167
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
66 Savage16 MP 295 Richland Cou
96
na
na
na
na
MTSVG
map
digital
MT_DOT
1998
 47.42583
-104.37000
2026
2025
-
-
nmme
-
67 Sheep Mtn S253 MP 28 Prairie Coun
84
na
na
na
na
MTSHP
map
digital
MT_DOT
3304
 47.08194
-105.66778
2026
2025
-
-
nmme
-
68 Sieben I15 MP 216 Lewis and Cl
82
na
na
na
na
MTSBN
map
digital
MT_DOT
4199
 46.88750
-112.11083
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
69 Sioux Pass16 MP 21 Richland Cou
99
na
na
na
na
MTSOO
map
digital
MT_DOT
2480
 47.91944
-104.32611
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
70 Spokane Cr US287 MP 5 Lewis and Cl
97
na
na
na
na
MTSPK
map
digital
MT_DOT
4127
 46.56278
-111.79389
2026
2025
2024
-
-
nmme cfs
71 St Marie24 MP 18 Valley Count
74
na
na
na
na
MTSTM
map
digital
MT_DOT
2743
 48.42194
-106.56278
2026
2025
-
-
nmme
-
72 Sunburst I15 MP 389 Toole County
0
na
na
na
na
MTSUN
map
digital
MT_DOT
3307
 48.88000
-111.89861
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
73 Swan Lk S83 MP 47 Lake County
54
na
na
na
na
MTSWN
map
digital
MT_DOT
3550
 47.59083
-113.75556
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
74 Sweeney Cr I94 MP 112 Rosebud Coun
96
na
na
na
na
MTSWC
map
digital
MT_DOT
2598
 46.26667
-106.30778
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
75 Sweetgrass I15 MP 395 Toole County
87
na
na
na
na
MTSWT
map
digital
MT_DOT
3471
 48.96000
-111.94056
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
76 Toston Brdg US287 MP Broadwater C
99
na
na
na
na
MTTOS
map
digital
MT_DOT
3914
 46.17778
-111.44306
2026
2025
2024
-
-
nmme cfs
77 Trout Creek Sanders Coun
56
na
na
na
na
MTTRC
map
digital
MT_DOT
2385
 47.82000
-115.57972
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
78 Two Medicine Brdg US2 Flathead Cou
97
na
na
na
na
MTBRN
map
digital
MT_DOT
4751
 48.45250
-113.19500
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
79 Karst US191 MP 553 Gallatin Cou
88
na
na
na
na
MTKAR
map
digital
MT_DOT
5699
 45.34528
-111.17250
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
80 US2 @Stline US2 MP 66 Williams Cou
96
na
na
na
na
MTSTA
map
digital
MT_DOT
2100
 48.13750
-104.04667
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
81 Yaak Hill US2 MP 48 Lincoln Coun
44
na
na
na
na
MTYAK
map
digital
MT_DOT
2201
 48.58333
-115.98389
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
82 Yellowstone Rvr Brdg I Yellowstone
96
na
na
na
na
MTYRB
map
digital
MT_DOT
3251
 45.79361
-108.46778
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs

[USPEST.ORG/WEA Home] [Intro] [US DD Mapmaker] [Main Table Index] [Links]
Oregon IPM Center at State University National Plant Diagnostics Network The PRISM Group at OSU Fox Weather, LLC University of Utah Mesowest Western
 Region Pest Management Center National
 Institute of Food and Agriculture
All data provided "as is" and users assume all risk in its use - see full disclaimer. All NWS derived data is not subject to copyright protection. This site hosted by the Oregon IPM Center at Oregon State University with support from USDA APHIS, various USDA NIFA grants, and USDA Western Region IPM Center. Climate map data provided by OSU PRISM Group, realtime public weather data provided by U. Utah Mesowest and various other networks.
This site on-line since April 5, 1996; last update Dec. 31, 2025
Contact Len Coop, OSU OIPMC and Horticulture Dept. at coopl@oregonstate.edu or if you have any questions about this information.