Waterlands
Gallatin River
USGS · 06043120
GALLATIN RIVER
USGS · 06043120LIVE

Gallatin River above Deer Creek, near Big Sky, MT

GALLATIN COUNTY, MT45.2973°N, -111.2114°W Updated 53 min ago
FLOW RATE
752cfs
GAUGE HT
5.58ft
WATER TEMP
11°F
AIR TEMP
47°F
WIND
5mph WSW
FISH INDEX
63SCORE / 100
GOOD · 3 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
752cfs 43.8% vs avg
Optimal band: 661895 cfs
PERIOD HIGH
813cfs
PERIOD LOW
743cfs
RUNNABLE
100%
last 1 day in band

Gauge Height

5.58ft

Water Temperature

10.5°F
Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

12.3in

-22% vs normal

12.32 in of precipitation so far this year, 22% below the 30-year normal of 15.87 in for this point in the season.

YTD Total

12.3in

This year so far

Normal to Date

15.9in

30-yr average

Typical Range

13.8–18.2in

10th–90th pct YTD

Departure

-22%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 0.90" · normal 1.67" (1.1–2.3)
Jan
Feb: 1.73" · normal 1.69" (0.7–2.6)
Feb
Mar: 1.87" · normal 2.35" (1.4–3.9)
Mar
Apr: 3.43" · normal 3.50" (2.4–4.7)
Apr
May: 2.98" · normal 3.51" (1.8–4.9)
May
Jun: 1.42" (so far)· normal 3.68" (2.1–5.3)
Jun
Jul: normal 1.92" (1.0–3.2)
Jul
Aug: normal 1.82" (0.8–3.3)
Aug
Sep: normal 2.07" (1.1–3.3)
Sep
Oct: normal 2.50" (1.6–3.4)
Oct
Nov: normal 2.01" (1.1–3.4)
Nov
Dec: normal 1.80" (0.9–2.5)
Dec
Baseline 19912020 · Source: Open-Meteo01:23 PM
SPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
75°
40°
WED
75°
50°
THU
69°
48°
FRI
68°
49°
SAT
67°
45°
SUN
47°
40°
MON
57°
39°
TIME
TUE
1
NOW
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
WED
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
THU
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
FRI
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
SAT
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
SUN
12
am
1
am
2
am
3
am
4
am
5
am
6
am
TEMP
hourly forecast
70°
mild
70°
72°
74°
75°
75°
74°
72°
69°
65°
62°
59°
57°
55°
54°
53°
52°
51°
50°
54°
56°
59°
61°
65°
70°
72°
74°
74°
75°
73°
73°
72°
69°
66°
61°
57°
53°
50°
50°
49°
49°
48°
48°
52°
55°
56°
60°
58°
62°
63°
65°
69°
66°
55°
60°
58°
58°
54°
52°
52°
51°
50°
50°
50°
49°
49°
49°
52°
56°
60°
65°
64°
67°
66°
68°
67°
63°
63°
65°
65°
64°
56°
53°
50°
48°
47°
47°
47°
47°
45°
45°
48°
52°
55°
56°
58°
59°
58°
55°
58°
65°
67°
67°
66°
61°
55°
48°
47°
47°
45°
45°
44°
44°
43°
43°
WIND
mph · gust · dir
11mph NE
G 14 mph
11
G14
NE
10
G13
NE
7
G12
NE
4
G9
NE
6
G11
NNE
7
G12
NE
10
G14
NE
11
G17
NNE
9
G18
NNE
8
G15
NNE
6
G10
NE
5
G7
NE
5
G6
ESE
6
ESE
4
ESE
2
SE
5
G6
WSW
5
G6
WNW
7
G12
ENE
12
G17
ENE
11
G15
ENE
8
G9
ENE
3
NE
3
G4
NE
9
G12
ENE
10
G13
ENE
2
G11
NNE
8
G11
NNE
12
G15
NE
11
G15
NNE
11
G16
NNE
9
G13
NE
6
G10
NE
5
G9
ENE
4
G6
E
3
G4
SE
2
SSE
2
S
2
SSE
3
SSE
3
S
3
S
3
G4
S
4
G5
SW
4
G5
SSE
6
G13
WSW
4
G8
WSW
4
G9
SW
6
G14
SW
8
G18
WSW
7
G18
NNW
5
G12
WNW
2
G5
WNW
2
G7
SW
4
G6
S
2
SW
1
ENE
1
G2
SSE
2
SSW
3
SSW
3
SSW
3
SSW
3
SSW
3
S
4
SSW
4
SSW
4
S
5
G10
S
6
G17
SSW
10
G23
SSW
12
G30
SSW
16
G32
SSW
14
G35
SW
14
G37
SW
10
G26
SW
7
G23
WNW
7
G27
SW
10
G28
SSW
10
G30
SW
12
G22
SSW
10
G20
SSW
5
SSW
6
G7
S
6
G7
S
5
S
4
SW
5
SSW
5
G7
SSW
5
G6
S
5
G6
S
4
G7
S
4
G7
S
5
G8
S
5
G9
S
5
G9
S
7
G10
S
9
G10
SSE
8
G12
SE
8
G22
S
11
G26
SW
12
G39
SW
11
G31
SW
13
G25
SW
13
G19
SSW
7
G11
SSW
6
G8
SE
5
G7
SSE
4
G5
SSE
4
G5
SE
4
G6
SE
4
G7
SE
3
G7
S
3
G7
SSW
4
G7
SW
PRECIP
chance %
0%
0%
0%
0%
0%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
3%
2%
2%
1%
1%
2%
3%
4%
5%
7%
7%
7%
43%
43%
43%
43%
43%
43%
13%
13%
13%
13%
13%
13%
57%
57%
57%
57%
57%
57%
83%
83%
83%
83%
83%
83%
28%
28%
28%
28%
28%
28%
1%
1%
1%
1%
1%
1%
6%
6%
6%
6%
6%
6%
31%
31%
31%
31%
31%
31%
63%
63%
63%
63%
63%
63%
47%
47%
47%
47%
47%
47%
79%
79%
79%
79%
79%
79%
93%
93%
93%
93%
93%
93%
92%
92%
92%
92%
92%
92%
73%
73%
73%
73%
73%
73%
CLOUDS
cover %
0%
clear
0%
0%
0%
0%
7%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
95%
100%
100%
100%
100%
32%
55%
100%
76%
3%
47%
84%
30%
29%
89%
53%
36%
0%
69%
83%
0%
17%
83%
100%
100%
100%
100%
100%
100%
100%
100%
100%
60%
100%
100%
100%
100%
100%
100%
100%
100%
89%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
31%
100%
100%
100%
14%
35%
100%
100%
100%
5%
0%
11%
100%
100%
100%
100%
100%
100%
100%
75%
21%
12%
7%
58%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
PRESSURE
hPa · trend
829
829827824821827824818818817814814813811810809810809811810
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
63
Temperature
Cool
Wind
Light
Pressure
Rising — Slow
Moon Phase
Good
DAYLIGHT
SUNRISE
05:37 AM
SUNSET
09:16 PM
15H 39M OF DAYLIGHT7H 53M REMAINING
MOON PHASE
First Quarter
60% illuminated

Station Location

45.2973, -111.2114
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-23 13:23 UTC
Site #06043120·USGS

Create a free account to save favorites, set flow alerts, and track conditions