Waterlands
Jefferson River
USGS · 06036650
JEFFERSON RIVER
USGS · 06036650LIVE

Jefferson River near Three Forks MT

GALLATIN COUNTY, MT45.8971°N, -111.5957°W Updated 39 min ago
FLOW RATE
2,270cfs
GAUGE HT
4.39ft
WATER TEMP
11°F
AIR TEMP
52°F
WIND
11mph WSW
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
2,270cfs 47.5% vs avg
Optimal band: 1,199–1,621 cfs
PERIOD HIGH
2,270cfs
PERIOD LOW
839cfs
RUNNABLE
30%
last 1 day in band

Gauge Height

4.39ft

Water Temperature

11.3°F
Precipitation History

Precipitation · YTD

Wet

Wetter than normal

2026 to date

10.7in

+29% vs normal

10.69 in of precipitation so far this year, 29% above the 30-year normal of 8.29 in for this point in the season.

YTD Total

10.7in

This year so far

Normal to Date

8.3in

30-yr average

Typical Range

6.1–10.2in

10th–90th pct YTD

Departure

+29%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 0.26" · normal 0.68" (0.3–1.1)
Jan
Feb: 1.16" · normal 0.65" (0.2–1.3)
Feb
Mar: 1.18" · normal 1.01" (0.6–1.5)
Mar
Apr: 2.20" · normal 1.72" (1.1–2.6)
Apr
May: 2.20" · normal 2.11" (1.3–2.9)
May
Jun: 3.70" (so far)· normal 2.17" (0.8–3.8)
Jun
Jul: normal 0.81" (0.2–1.8)
Jul
Aug: normal 0.62" (0.2–1.1)
Aug
Sep: normal 0.98" (0.3–1.8)
Sep
Oct: normal 1.14" (0.4–1.7)
Oct
Nov: normal 0.94" (0.4–1.6)
Nov
Dec: normal 0.82" (0.4–1.4)
Dec
Baseline 1991–2020 · Source: Open-Meteo04:37 PM
Your History · Jefferson River near Three Forks MT

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Weather Conditions
WEATHER CONDITIONS
TODAY
58°
47°
TUE
74°
52°
WED
79°
50°
THU
80°
49°
FRI
81°
53°
SAT
87°
52°
SUN
94°
55°
TIME
MON
6
NOW
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
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
TEMP
hourly forecast
58°
mild
58°
58°
57°
55°
54°
53°
52°
52°
52°
52°
52°
52°
52°
53°
55°
58°
62°
65°
67°
69°
71°
72°
73°
73°
74°
73°
70°
65°
62°
59°
58°
57°
55°
54°
53°
50°
50°
53°
57°
60°
64°
68°
72°
76°
78°
79°
79°
68°
66°
66°
63°
58°
56°
54°
52°
51°
51°
50°
49°
49°
49°
52°
56°
60°
64°
69°
73°
78°
79°
79°
80°
80°
79°
79°
74°
67°
64°
62°
59°
59°
58°
57°
55°
54°
53°
57°
61°
64°
69°
73°
77°
80°
81°
80°
77°
80°
78°
75°
71°
68°
62°
60°
59°
57°
56°
55°
53°
52°
52°
55°
59°
63°
67°
WIND
mph · gust · dir
17mph W
G 26 mph
17
G26
W
15
G27
W
8
G17
WSW
7
G13
SW
9
G15
WSW
5
G11
WSW
2
G10
WSW
5
G9
WSW
7
G10
WSW
5
G8
WSW
4
G8
W
6
G8
W
5
G8
W
1
G7
SSW
2
G8
SSW
3
G12
WSW
8
G12
WSW
9
G12
WSW
8
G11
WSW
7
G10
WSW
8
G11
WSW
9
G11
WSW
10
G11
WSW
8
G9
WSW
7
G8
WSW
4
G7
SW
12
G15
SSW
9
G17
WNW
7
G8
NNE
5
G7
NNE
4
G10
WSW
4
G14
NW
7
G9
WNW
6
G7
WNW
3
G4
W
3
SE
2
G3
SSE
3
G4
S
2
G4
SSE
2
G5
SSE
2
G6
S
1
G9
ENE
4
G9
N
8
G16
W
13
G21
W
11
G19
W
12
G18
WSW
27
S
3
G5
S
7
N
4
N
2
G3
S
5
WSW
5
NW
1
SW
2
SW
3
SSW
2
G3
SSW
2
G3
SE
2
G3
SSE
3
SSE
2
G4
SSE
2
G4
SSE
3
G5
S
2
G7
SW
4
G8
N
6
G9
N
7
G15
WNW
13
G18
W
14
G19
W
13
G19
WSW
15
G19
WSW
12
G16
WSW
7
G12
W
6
G7
NNW
5
NNW
2
ESE
4
SSE
3
G4
S
4
SSE
1
G3
SSE
1
G3
S
2
SSW
2
S
2
G3
SE
1
G3
SE
2
G4
SE
1
G2
SSW
3
G4
NW
6
NNW
6
G13
NW
12
G17
WSW
14
G17
NW
16
G17
WNW
17
G21
WNW
16
G17
W
12
G15
NW
16
NNE
7
G9
ESE
4
SSE
4
SW
2
W
1
G2
SSE
1
G2
S
1
G2
SSW
2
SSW
2
SSW
2
G3
SSW
2
G3
S
2
G3
S
2
G4
SSE
1
G4
SSE
0
G5
W
PRECIP
chance %
36%
36%
31%
32%
28%
17%
15%
13%
13%
11%
10%
9%
10%
11%
8%
4%
4%
2%
2%
2%
3%
4%
6%
8%
10%
11%
14%
9%
11%
8%
42%
42%
14%
14%
14%
14%
14%
14%
4%
4%
4%
4%
4%
4%
52%
52%
52%
52%
52%
52%
51%
51%
51%
51%
51%
51%
3%
3%
3%
3%
3%
3%
2%
2%
2%
2%
2%
2%
11%
11%
11%
11%
11%
11%
17%
17%
17%
17%
17%
17%
6%
6%
6%
6%
6%
6%
2%
2%
2%
2%
2%
2%
35%
35%
35%
35%
35%
35%
40%
40%
40%
40%
40%
40%
9%
9%
9%
9%
9%
9%
2%
2%
2%
2%
CLOUDS
cover %
100%
overcast
100%
100%
100%
100%
100%
100%
100%
96%
100%
100%
100%
61%
100%
36%
100%
58%
5%
18%
100%
41%
84%
100%
100%
93%
61%
100%
100%
100%
100%
100%
96%
100%
75%
77%
92%
100%
94%
19%
12%
7%
8%
7%
0%
6%
73%
100%
18%
89%
100%
100%
20%
100%
100%
100%
100%
6%
5%
0%
7%
13%
16%
11%
0%
0%
5%
5%
6%
10%
16%
100%
16%
9%
14%
18%
14%
15%
24%
5%
13%
25%
19%
9%
5%
0%
100%
20%
100%
98%
100%
100%
100%
100%
100%
8%
100%
100%
100%
88%
100%
100%
7%
6%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
PRESSURE
hPa · trend
872
872872872876874873870872871870870872870870871875874876877
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Ideal
Wind
Moderate
Pressure
Rising — Slow
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:39 AM
SUNSET
09:20 PM
15H 41M OF DAYLIGHT3H 41M REMAINING
MOON PHASE
Full Moon
100% illuminated
PEAK ACTIVITY

Station Location

45.8971, -111.5957
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-29 17:39 UTC
Site #06036650·USGS

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