Waterlands
Marias River
USGS · 06101500
MARIAS RIVER
USGS · 06101500LIVE

Marias River near Chester MT

LIBERTY COUNTY, MT48.3060°N, -111.0805°W Updated 5 hr ago
FLOW RATE
1,227cfs
AIR TEMP
62°F
WIND
3mph SE
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
1,227cfs 10.5% vs avg
Optimal band: 953–1,289 cfs
PERIOD HIGH
2,080cfs
PERIOD LOW
713cfs
RUNNABLE
16%
last 30 day in band
Precipitation History
Your History · Marias River near Chester MT

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Weather Conditions
WEATHER CONDITIONS
TODAY
77°
49°
THU
78°
57°
FRI
82°
54°
SAT
85°
60°
SUN
88°
62°
MON
82°
59°
TUE
89°
64°
TIME
THU
5
NOW
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
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
TEMP
hourly forecast
57°
mild
57°
58°
59°
61°
65°
67°
69°
72°
74°
76°
77°
77°
77°
78°
77°
75°
70°
66°
63°
61°
60°
58°
57°
56°
55°
54°
56°
60°
64°
69°
73°
76°
78°
80°
82°
82°
82°
81°
79°
76°
71°
67°
65°
65°
64°
64°
64°
62°
60°
61°
64°
67°
71°
74°
78°
80°
82°
83°
85°
85°
84°
85°
83°
79°
74°
70°
68°
66°
65°
64°
63°
62°
63°
62°
65°
69°
74°
80°
82°
83°
84°
86°
87°
87°
88°
86°
84°
80°
74°
71°
69°
67°
66°
63°
63°
62°
61°
59°
60°
64°
67°
69°
71°
74°
76°
78°
80°
81°
82°
82°
80°
78°
76°
74°
WIND
mph · gust · dir
1mph WSW
G 5 mph
1
G5
WSW
2
ENE
3
G6
WSW
4
G9
WNW
8
G16
WNW
13
G17
WNW
12
G15
WNW
12
G17
W
14
G18
W
12
G18
W
11
G16
WSW
7
G14
SW
11
G15
W
12
G17
W
11
G17
WNW
8
G11
WNW
5
G8
WNW
5
G7
WNW
2
G4
W
4
NNW
3
N
3
N
0
G1
W
4
G5
WNW
3
G5
NW
3
G4
NW
4
G5
WNW
2
G5
WNW
5
G8
WNW
5
G8
WNW
5
G8
WNW
5
G11
W
6
G11
W
7
G11
WSW
6
G11
WSW
11
G17
W
14
G17
WNW
15
G18
WNW
14
G18
WNW
10
G15
NW
5
NNW
5
NNW
2
G5
W
4
G5
SSW
3
SSW
3
G4
SSW
6
SSW
6
SW
4
G6
SW
6
SSW
5
G7
SW
7
WSW
7
SW
8
G10
SW
10
G13
WSW
11
G13
WSW
10
G13
SW
7
G17
SW
13
G20
W
13
G22
W
16
WNW
13
G15
W
14
G18
WNW
15
G25
W
13
G26
W
9
G22
W
9
G14
WNW
6
WSW
5
WSW
7
W
7
WSW
8
G13
W
8
G14
WSW
7
G9
WSW
6
G8
WSW
7
G15
WSW
6
G11
W
9
G13
W
10
W
9
G10
SW
10
G15
SW
12
G19
WSW
10
G15
W
6
G18
W
8
G15
NW
18
NW
15
G19
NW
10
G18
NNW
7
N
7
NE
8
NE
6
NE
6
ENE
4
NNE
5
N
7
NNW
8
G11
NNW
6
G7
NW
5
G9
WNW
5
G12
NNE
10
G12
NE
13
NE
11
NE
9
NE
8
ENE
7
ENE
7
E
8
E
9
ENE
9
ENE
7
G9
E
5
G7
E
4
G7
ESE
5
G7
E
PRECIP
chance %
5%
5%
3%
3%
1%
1%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
1%
1%
1%
2%
2%
5%
5%
5%
5%
5%
5%
5%
5%
5%
5%
5%
5%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
7%
7%
7%
7%
7%
7%
5%
5%
5%
5%
5%
5%
3%
3%
3%
3%
3%
3%
1%
1%
1%
1%
1%
1%
9%
9%
9%
9%
CLOUDS
cover %
100%
overcast
100%
94%
44%
50%
0%
11%
7%
0%
0%
100%
100%
100%
61%
0%
0%
0%
0%
0%
56%
61%
100%
100%
78%
95%
100%
100%
69%
37%
10%
45%
5%
0%
98%
50%
80%
25%
37%
8%
0%
0%
0%
0%
5%
0%
0%
0%
0%
0%
6%
0%
0%
8%
8%
8%
7%
0%
0%
6%
14%
65%
100%
100%
100%
7%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
5%
5%
0%
0%
6%
45%
6%
58%
6%
5%
0%
6%
10%
100%
0%
0%
6%
7%
24%
6%
5%
0%
0%
0%
6%
5%
18%
34%
43%
35%
18%
9%
15%
27%
40%
51%
PRESSURE
hPa · trend
912
912917917916915919916914914915912913914915913915917921918
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Ideal
Wind
Calm
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:27 AM
SUNSET
09:28 PM
16H 1M OF DAYLIGHT16H 21M REMAINING
MOON PHASE
Waning Gibbous
95% illuminated

Station Location

48.3060, -111.0805
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-02 05:07 UTC
Site #06101500·USGS

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