Waterlands
Madison River
USGS · 06038500
MADISON RIVER
USGS · 06038500LIVE

Madison River bl Hebgen Lake nr Grayling MT

GALLATIN COUNTY, MT44.8664°N, -111.3388°W Updated 18 hr ago
FLOW RATE
979cfs
GAUGE HT
1.83ft
WATER TEMP
59°F
AIR TEMP
88°F
WIND
13mph SW
FISH INDEX
50SCORE / 100
GOOD · 3 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 7 DAY
979cfs 17.0% vs avg
Optimal band: 701–949 cfs
PERIOD HIGH
979cfs
PERIOD LOW
815cfs
RUNNABLE
88%
last 7 day in band

Gauge Height

1.83ft

Water Temperature

58.6°F
Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

14.2in

≈ normal

14.23 in of precipitation so far this year — about average for this point in the season (normal 15.71 in).

YTD Total

14.2in

This year so far

Normal to Date

15.7in

30-yr average

Typical Range

11.6–19.1in

10th–90th pct YTD

Departure

-9%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 1.60" · normal 2.10" (1.1–3.1)
Jan
Feb: 2.10" · normal 1.99" (0.8–3.1)
Feb
Mar: 1.06" · normal 2.52" (1.1–3.8)
Mar
Apr: 3.45" · normal 2.86" (1.8–3.9)
Apr
May: 1.44" · normal 2.93" (1.6–4.2)
May
Jun: 4.32" · normal 2.76" (1.2–4.9)
Jun
Jul: 0.27" (so far)· normal 1.35" (0.6–2.3)
Jul
Aug: normal 1.24" (0.4–2.5)
Aug
Sep: normal 1.71" (0.6–2.6)
Sep
Oct: normal 2.22" (1.4–3.4)
Oct
Nov: normal 2.27" (1.1–3.5)
Nov
Dec: normal 2.40" (1.2–3.4)
Dec
Baseline 1991–2020 · Source: Open-Meteo05:11 UTC
Your History · Madison River bl Hebgen Lake nr Grayling MT

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Weather Conditions
WEATHER CONDITIONS
TODAY
91°
55°
MON
92°
62°
TUE
91°
60°
WED
86°
58°
THU
88°
56°
FRI
85°
56°
SAT
86°
55°
TIME
SUN
7
NOW
8
pm
9
pm
10
pm
11
pm
MON
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
TUE
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
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
TEMP
hourly forecast
89°
mild
89°
86°
79°
77°
77°
73°
67°
65°
66°
65°
63°
62°
63°
70°
77°
79°
82°
85°
88°
90°
91°
91°
92°
91°
89°
86°
79°
77°
74°
72°
71°
68°
67°
64°
62°
60°
62°
70°
76°
81°
85°
88°
89°
90°
91°
91°
90°
89°
88°
72°
68°
64°
64°
67°
68°
65°
61°
59°
59°
58°
62°
68°
73°
77°
80°
82°
84°
86°
86°
86°
86°
84°
79°
74°
64°
62°
59°
58°
58°
58°
57°
57°
56°
56°
59°
64°
70°
77°
81°
84°
87°
87°
87°
88°
87°
73°
59°
63°
60°
59°
60°
60°
59°
59°
57°
56°
57°
56°
59°
64°
68°
73°
78°
WIND
mph · gust · dir
7mph SW
G 22 mph
7
G22
SW
3
G20
SW
3
G13
WSW
3
G6
SSE
3
G4
E
2
ENE
5
G14
N
3
G11
NNW
4
G10
W
3
G10
W
4
G11
W
3
G9
W
3
G11
N
2
G13
NNE
4
G5
NW
8
G9
SW
7
WSW
6
G9
WSW
6
G13
SW
9
G17
WSW
8
G20
WSW
6
G19
W
9
G18
WSW
10
G16
WSW
11
G19
WSW
6
G19
WSW
3
G9
NW
4
G11
NE
6
G13
NW
3
G9
N
6
G8
WSW
8
G13
WSW
5
G9
SW
2
G8
NE
4
G5
NE
4
E
4
NE
3
G4
NE
1
G3
NE
2
E
4
SE
4
G6
SSE
5
G11
S
5
G13
WSW
7
G15
WSW
8
G15
WSW
7
G12
W
6
G9
WSW
4
G6
ENE
7
ENE
4
ENE
4
NE
4
G5
SSW
5
G7
N
5
N
1
G6
NW
1
G2
NE
2
NE
4
NNW
3
N
3
NNW
0
G3
SW
3
SSW
4
SSW
4
SSW
5
SW
6
G9
SW
6
G13
SW
7
G14
SW
9
G17
WSW
7
G15
WSW
7
G12
W
7
G10
WNW
7
G11
NW
5
E
5
ESE
3
G4
NE
4
NE
4
NE
4
N
4
NNE
3
ENE
4
ENE
4
ENE
3
ENE
3
E
3
ESE
3
SE
4
SSE
4
G6
SSW
4
G9
SW
5
G16
W
7
G17
W
7
G17
W
5
G14
W
13
G17
ESE
5
G6
E
5
E
3
E
3
G6
ENE
3
E
2
G3
ESE
3
S
1
G3
ESE
3
E
2
NNW
1
G2
WNW
1
G2
E
2
SE
3
SSE
4
S
4
SSW
5
SW
PRECIP
chance %
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
2%
4%
3%
5%
5%
3%
4%
3%
2%
2%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
14%
14%
14%
14%
14%
14%
16%
16%
16%
16%
16%
16%
3%
3%
3%
3%
3%
3%
16%
16%
16%
16%
16%
16%
47%
47%
47%
47%
47%
47%
49%
49%
49%
49%
49%
49%
6%
6%
6%
6%
6%
6%
6%
6%
6%
6%
6%
6%
31%
31%
31%
31%
31%
31%
45%
45%
45%
45%
45%
45%
4%
4%
4%
4%
4%
4%
1%
1%
1%
1%
1%
CLOUDS
cover %
91%
overcast
91%
100%
34%
42%
2%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
6%
3%
0%
3%
19%
99%
100%
87%
54%
99%
100%
100%
100%
19%
4%
5%
0%
6%
11%
43%
56%
70%
19%
100%
100%
100%
100%
100%
95%
93%
97%
14%
14%
14%
100%
100%
64%
74%
100%
100%
100%
13%
100%
100%
100%
100%
100%
29%
100%
100%
100%
99%
75%
87%
24%
35%
5%
55%
23%
6%
100%
37%
6%
66%
6%
11%
100%
100%
100%
100%
76%
23%
100%
20%
16%
64%
100%
25%
100%
78%
100%
100%
100%
81%
30%
100%
100%
97%
100%
100%
23%
100%
95%
91%
84%
73%
52%
27%
PRESSURE
hPa · trend
807
807802803809807804806808805808806805804804803804796803803
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
50
Temperature
Too Hot
Wind
Moderate
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:51 AM
SUNSET
09:10 PM
15H 19M OF DAYLIGHT
MOON PHASE
Waning Crescent
5% illuminated

Station Location

44.8664, -111.3388
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-12 00:00 UTC
Site #06038500·USGS

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