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

Flatwillow Creek near Mosby MT

PETROLEUM COUNTY, MT46.9287°N, -107.9328°W Updated 59 min ago
FLOW RATE
3.45cfs
GAUGE HT
5.01ft
AIR TEMP
57°F
WIND
5mph SSW
FISH INDEX
88SCORE / 100
EPIC · 5 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
3.45cfs 97.4% vs avg
Optimal band: 34 cfs
PERIOD HIGH
3.45cfs
PERIOD LOW
2.4cfs
RUNNABLE
58%
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°
54°
MON
63°
48°
TUE
75°
53°
WED
87°
60°
THU
86°
62°
FRI
88°
65°
SAT
88°
61°
TIME
SUN
8
NOW
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
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
TEMP
hourly forecast
59°
mild
59°
59°
61°
62°
61°
59°
59°
61°
61°
61°
62°
63°
60°
57°
55°
54°
52°
52°
51°
50°
49°
48°
48°
52°
57°
60°
62°
63°
60°
58°
60°
61°
60°
60°
60°
59°
58°
58°
56°
56°
54°
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°
WIND
mph · gust · dir
8mph WSW
G 15 mph
8
G15
WSW
11
G22
W
12
G21
W
18
G25
W
16
G22
W
16
G24
SW
20
G32
SW
25
G38
SW
22
G35
WSW
16
G30
WSW
14
G28
WSW
10
G25
WSW
10
G30
WSW
10
G17
SW
10
G18
SSW
11
G18
SSW
10
G17
SSW
12
G16
S
13
G18
SSW
13
G18
S
7
G14
SSW
7
G15
SSW
9
G15
S
15
G24
S
17
G30
SW
19
G28
SW
18
G25
SW
19
G26
SW
19
G25
SW
18
G25
SSW
20
G27
SW
19
G28
SW
17
G26
WSW
18
G24
W
17
G21
W
12
G13
W
13
G15
W
14
G21
W
13
G27
W
10
G20
SW
7
SW
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
PRECIP
chance %
26%
26%
23%
18%
18%
19%
28%
25%
16%
12%
9%
13%
13%
14%
11%
9%
9%
8%
5%
4%
3%
3%
3%
3%
3%
3%
4%
5%
6%
10%
56%
56%
56%
56%
56%
56%
55%
55%
55%
55%
55%
55%
24%
24%
24%
24%
24%
24%
9%
9%
9%
9%
9%
9%
14%
14%
14%
14%
14%
14%
8%
8%
8%
8%
8%
8%
8%
8%
8%
8%
8%
8%
5%
5%
5%
5%
5%
5%
15%
15%
15%
15%
15%
15%
14%
14%
14%
14%
14%
14%
10%
10%
10%
10%
10%
10%
2%
2%
2%
2%
2%
2%
12%
12%
12%
12%
12%
12%
15%
15%
15%
15%
15%
15%
CLOUDS
cover %
100%
overcast
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
41%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
3%
100%
100%
100%
100%
100%
100%
100%
84%
100%
100%
100%
100%
100%
100%
100%
100%
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%
PRESSURE
hPa · trend
912
912913913912910910916917919919918918918917918919919918918
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 DAYLIGHT13H 11M REMAINING
MOON PHASE
Full Moon
97% illuminated
PEAK ACTIVITY

Station Location

46.9287, -107.9328
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-28 07:58 UTC
Site #06130000·USGS

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