Waterlands
Flatwillow Creek
USGS · 06130000
FLATWILLOW CREEK
USGS · 06130000LIVE

Flatwillow Creek near Mosby MT

PETROLEUM COUNTY, MT46.9287°N, -107.9328°W Updated 28 min ago
FLOW RATE
3.45cfs
GAUGE HT
5.01ft
AIR TEMP
59°F
WIND
7mph SW
FISH INDEX
88SCORE / 100
EPIC · 5 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
3.45cfs 97.2% vs avg
Optimal band: 34 cfs
PERIOD HIGH
3.45cfs
PERIOD LOW
2.4cfs
RUNNABLE
61%
last 1 day in band

Gauge Height

5.01ft
Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

9.8in

≈ normal

9.75 in of precipitation so far this year — about average for this point in the season (normal 9.17 in).

YTD Total

9.8in

This year so far

Normal to Date

9.2in

30-yr average

Typical Range

6.7–12.2in

10th–90th pct YTD

Departure

+6%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 0.95" · normal 0.67" (0.3–1.1)
Jan
Feb: 0.92" · normal 0.58" (0.2–0.9)
Feb
Mar: 2.09" · normal 0.94" (0.5–1.4)
Mar
Apr: 1.78" · normal 1.99" (0.9–2.9)
Apr
May: 1.58" · normal 2.67" (1.1–4.3)
May
Jun: 2.43" (so far)· normal 2.48" (1.3–3.7)
Jun
Jul: normal 1.12" (0.3–1.8)
Jul
Aug: normal 1.08" (0.2–2.3)
Aug
Sep: normal 1.15" (0.3–2.1)
Sep
Oct: normal 1.24" (0.5–1.9)
Oct
Nov: normal 0.71" (0.2–1.3)
Nov
Dec: normal 0.68" (0.2–1.3)
Dec
Baseline 19912020 · Source: Open-Meteo07:59 AM
Your History · Flatwillow Creek near Mosby MT

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Weather Conditions
WEATHER CONDITIONS
TODAY
63°
55°
MON
65°
51°
TUE
75°
53°
WED
87°
60°
THU
86°
62°
FRI
88°
65°
SAT
88°
61°
TIME
SUN
9
NOW
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
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
TEMP
hourly forecast
59°
mild
59°
59°
62°
60°
59°
57°
59°
61°
63°
62°
61°
63°
61°
58°
55°
53°
52°
52°
51°
51°
52°
53°
57°
60°
60°
60°
59°
60°
60°
64°
62°
65°
65°
65°
63°
63°
60°
57°
56°
55°
54°
54°
54°
53°
56°
56°
57°
61°
64°
68°
70°
72°
74°
75°
74°
74°
75°
75°
72°
72°
69°
66°
64°
65°
65°
64°
63°
61°
60°
61°
65°
68°
72°
75°
77°
80°
82°
84°
85°
86°
87°
85°
78°
71°
69°
67°
66°
65°
64°
64°
63°
63°
62°
63°
66°
68°
71°
73°
76°
79°
81°
83°
84°
86°
81°
81°
78°
74°
70°
69°
69°
68°
68°
68°
WIND
mph · gust · dir
10mph WSW
G 21 mph
10
G21
WSW
13
G23
WSW
18
G24
WSW
16
G22
W
14
G20
SW
19
G31
SW
21
G34
SW
22
G33
SW
19
G30
SW
14
G27
SW
9
G19
SSW
13
G28
WSW
12
G23
SW
12
G20
SW
7
G13
SSW
9
G11
SSE
13
G19
SSE
11
G18
S
8
G16
SSW
11
G20
SSW
18
G27
SW
18
G27
SW
14
G25
SSW
16
G21
SW
16
G23
SW
20
G26
SSW
21
G28
SW
21
G27
SSW
19
G28
SSW
18
G24
WSW
16
G21
W
19
G27
WNW
24
G32
WNW
21
G30
WNW
21
G30
WNW
18
G28
WNW
15
G29
WNW
11
G24
W
9
G19
WSW
7
G10
WSW
4
G5
WSW
3
G5
WSW
6
S
4
SSW
6
G8
SW
10
G21
W
10
G23
WSW
17
G24
W
17
G22
WNW
18
G22
WNW
19
G22
WNW
18
G20
WNW
15
G18
NW
12
G15
WNW
9
G14
W
8
G13
W
9
G13
WNW
9
G13
WNW
5
G10
W
5
G7
W
4
G5
WNW
5
N
1
ENE
4
SSE
5
SSE
7
S
6
S
5
S
4
G5
SSW
4
SSW
4
G7
SSW
6
G8
S
8
SSW
8
G9
SSW
8
G11
SSW
9
G11
SSW
9
G13
SSW
9
G16
SSW
9
G18
SW
8
G17
WSW
9
G18
WSW
18
NW
21
G22
NNW
20
G30
NW
9
G20
N
2
G4
N
5
WSW
2
WNW
4
G5
NW
7
WNW
3
G4
N
2
N
4
WNW
4
WNW
3
NW
3
G6
NW
3
G4
N
3
N
1
NNW
1
G2
WSW
3
G4
S
6
G8
SSE
4
G11
SSE
7
G12
SE
20
N
10
NNE
9
G11
NE
11
G18
E
14
G21
ESE
11
G16
ESE
5
G8
ESE
1
G2
SE
1
S
3
S
PRECIP
chance %
23%
23%
20%
21%
23%
25%
22%
14%
12%
13%
15%
14%
12%
10%
6%
6%
5%
3%
3%
2%
2%
2%
1%
2%
2%
3%
7%
8%
13%
19%
24%
55%
55%
55%
55%
47%
47%
47%
47%
47%
47%
41%
41%
41%
41%
41%
41%
6%
6%
6%
6%
6%
6%
12%
12%
12%
12%
12%
12%
8%
8%
8%
8%
8%
8%
5%
5%
5%
5%
5%
5%
12%
12%
12%
12%
12%
12%
19%
19%
19%
19%
19%
19%
17%
17%
17%
17%
17%
17%
8%
8%
8%
8%
8%
8%
4%
4%
4%
4%
4%
4%
15%
15%
15%
15%
15%
15%
18%
18%
18%
18%
18%
18%
13%
13%
CLOUDS
cover %
100%
overcast
100%
100%
90%
100%
100%
100%
100%
100%
100%
100%
100%
87%
100%
1%
0%
0%
0%
0%
0%
0%
0%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
61%
100%
100%
100%
100%
100%
100%
93%
100%
100%
100%
100%
100%
100%
100%
100%
100%
10%
11%
42%
44%
59%
100%
100%
100%
100%
100%
100%
100%
48%
50%
100%
92%
21%
13%
8%
0%
0%
0%
6%
0%
0%
0%
0%
0%
0%
0%
6%
6%
5%
100%
12%
100%
58%
7%
6%
14%
17%
34%
100%
18%
11%
80%
25%
23%
16%
22%
19%
10%
7%
6%
44%
70%
43%
42%
36%
33%
37%
44%
47%
38%
25%
PRESSURE
hPa · trend
911
911914913910909908913917919918918918918917918918919918919
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
88
Temperature
Ideal
Wind
Light
Pressure
Stable
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:19 AM
SUNSET
09:10 PM
15H 51M OF DAYLIGHT11H 42M REMAINING
MOON PHASE
Full Moon
97% illuminated
PEAK ACTIVITY

Station Location

46.9287, -107.9328
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-28 09:28 UTC
Site #06130000·USGS

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