Waterlands
Musselshell River
USGS · 06126500
MUSSELSHELL RIVER
USGS · 06126500LIVE

Musselshell River near Roundup MT

MUSSELSHELL COUNTY, MT46.4277°N, -108.5701°W Updated 1 hr ago
FLOW RATE
160cfs
GAUGE HT
2.10ft
AIR TEMP
55°F
WIND
4mph WSW
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
160cfs 74.4% vs avg
Optimal band: 122–164 cfs
PERIOD HIGH
164cfs
PERIOD LOW
133cfs
RUNNABLE
100%
last 1 day in band

Gauge Height

2.10ft
Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

8.0in

-20% vs normal

8.02 in of precipitation so far this year, 20% below the 30-year normal of 9.99 in for this point in the season.

YTD Total

8.0in

This year so far

Normal to Date

10.0in

30-yr average

Typical Range

7.6–12.8in

10th–90th pct YTD

Departure

-20%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 0.66" · normal 0.71" (0.3–1.2)
Jan
Feb: 1.52" · normal 0.67" (0.3–1.1)
Feb
Mar: 1.38" · normal 1.07" (0.4–1.7)
Mar
Apr: 1.43" · normal 2.19" (1.2–3.2)
Apr
May: 1.47" · normal 2.70" (1.2–5.4)
May
Jun: 1.50" · normal 2.45" (1.1–4.7)
Jun
Jul: 0.06" (so far)· normal 1.19" (0.2–1.8)
Jul
Aug: normal 1.04" (0.2–2.2)
Aug
Sep: normal 1.29" (0.4–2.3)
Sep
Oct: normal 1.36" (0.5–2.2)
Oct
Nov: normal 0.78" (0.3–1.3)
Nov
Dec: normal 0.70" (0.3–1.4)
Dec
Baseline 1991–2020 · Source: Open-Meteo06:07 AM
Your History · Musselshell River near Roundup MT

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Weather Conditions
WEATHER CONDITIONS
TODAY
86°
53°
SAT
91°
56°
SUN
93°
66°
MON
87°
66°
TUE
90°
65°
WED
97°
64°
THU
95°
65°
TIME
FRI
11
NOW
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
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
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
TEMP
hourly forecast
76°
mild
76°
80°
83°
84°
86°
80°
80°
79°
75°
71°
66°
64°
63°
62°
61°
61°
58°
57°
56°
56°
59°
63°
66°
71°
75°
79°
85°
88°
89°
90°
91°
91°
91°
87°
80°
76°
74°
73°
71°
69°
68°
68°
66°
66°
71°
75°
79°
81°
84°
85°
87°
90°
92°
92°
93°
93°
93°
74°
81°
74°
72°
72°
70°
69°
67°
66°
66°
66°
70°
72°
73°
74°
76°
79°
80°
83°
85°
86°
87°
87°
84°
82°
80°
75°
73°
70°
69°
67°
67°
66°
66°
65°
66°
67°
71°
74°
77°
80°
83°
86°
89°
90°
81°
78°
74°
71°
68°
67°
67°
67°
66°
65°
65°
WIND
mph · gust · dir
2mph WSW
G 5 mph
2
G5
WSW
2
G6
E
1
G7
S
3
G10
SSW
5
G11
S
23
G28
N
17
G19
NNE
19
G24
NNE
12
G17
NE
6
G12
ESE
6
G13
ESE
5
NNW
4
G5
WNW
1
G6
SW
5
S
4
SSE
4
G5
WSW
3
G5
SW
5
G7
WSW
1
G2
SW
4
G5
SW
4
G5
WSW
4
G5
WSW
4
G9
SW
3
G10
SW
4
G10
WSW
5
G11
WSW
5
G15
WSW
1
G11
SSW
6
G17
W
6
G18
WSW
12
G22
W
6
G20
WSW
4
G7
NW
7
G12
NE
5
G10
E
5
G6
ESE
4
G8
NNE
7
G8
N
4
G5
NNE
3
G4
NNE
5
G6
NNE
5
G6
NE
4
G5
NE
3
G12
NE
6
G12
NNE
8
G11
NE
9
NE
9
NE
7
NE
4
ENE
2
G5
E
1
G7
NW
4
G9
NNW
2
G13
N
5
G14
SSE
7
G13
S
20
G28
SSW
8
G12
S
20
G29
W
5
G14
WSW
4
G5
SW
5
SW
7
SW
5
WSW
6
WSW
4
G5
WSW
3
G4
WNW
5
G24
NNE
16
G25
NNE
17
G20
NNE
15
G16
NNE
14
G15
NNE
15
NNE
14
NE
12
NE
12
NE
9
ENE
8
G9
ENE
10
G12
E
10
G15
ENE
7
G15
E
10
G11
S
5
SW
4
SSE
4
G5
SE
4
SE
3
SSW
3
G4
ESE
4
NE
4
NE
1
NW
8
G11
NNE
7
G9
ENE
5
G6
ENE
2
G3
E
3
NW
4
G5
NW
6
G9
NW
6
G13
NW
5
G21
WNW
16
G23
NNW
26
NNE
15
NNE
12
NNE
6
G9
NNE
2
G6
NNW
2
G5
W
4
G5
WSW
5
SW
5
SW
5
SW
4
G5
SW
PRECIP
chance %
1%
1%
0%
2%
5%
8%
18%
21%
19%
19%
19%
14%
2%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
0%
0%
0%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
4%
4%
4%
4%
4%
4%
24%
24%
24%
24%
24%
24%
7%
7%
7%
7%
7%
7%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
17%
17%
17%
17%
17%
17%
17%
17%
17%
17%
17%
17%
11%
11%
11%
11%
11%
11%
35%
35%
35%
35%
35%
35%
33%
33%
33%
33%
33%
33%
5%
5%
5%
CLOUDS
cover %
0%
clear
0%
1%
100%
100%
54%
100%
100%
100%
98%
48%
74%
24%
100%
43%
3%
0%
1%
0%
2%
0%
1%
0%
81%
100%
30%
100%
100%
35%
3%
0%
0%
0%
0%
0%
0%
1%
0%
4%
0%
0%
0%
0%
0%
0%
0%
5%
0%
0%
0%
5%
6%
7%
18%
6%
0%
0%
13%
100%
100%
100%
100%
100%
100%
10%
7%
7%
0%
7%
6%
69%
100%
100%
100%
100%
100%
99%
16%
12%
100%
100%
100%
100%
100%
100%
100%
71%
6%
7%
100%
18%
77%
25%
100%
100%
17%
22%
16%
0%
0%
6%
0%
0%
6%
100%
89%
60%
34%
20%
9%
2%
0%
2%
3%
PRESSURE
hPa · trend
906
906906905904907906901901903900902903907904905902902901902
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Ideal
Wind
Calm
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:27 AM
SUNSET
09:09 PM
15H 42M OF DAYLIGHT10H 38M REMAINING
MOON PHASE
Waning Gibbous
87% illuminated

Station Location

46.4277, -108.5701
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-03 10:31 UTC
Site #06126500·USGS

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