Waterlands
Big Thompson River
USGS · 402115105375001
BIG THOMPSON RIVER
USGS · 402115105375001LIVE

BIG THOMPSON AT FERN CRK TRAILHEAD IN RMNP

LARIMER COUNTY, CO40.3542°N, -105.6306°W
AIR TEMP
50°F
WIND
1mph NNW
FISH INDEX
63SCORE / 100
GOOD · 3 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
—cfs
No flow data available
Precipitation History
SPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
80°
46°
THU
66°
51°
FRI
78°
50°
SAT
77°
49°
SUN
80°
52°
MON
77°
47°
TUE
79°
50°
TIME
WED
1
NOW
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
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
TEMP
hourly forecast
79°
mild
79°
80°
79°
77°
73°
71°
72°
67°
60°
57°
57°
55°
55°
54°
54°
52°
51°
52°
53°
55°
57°
54°
55°
57°
58°
60°
64°
66°
64°
62°
57°
58°
54°
53°
53°
51°
51°
50°
50°
50°
50°
51°
57°
65°
69°
71°
74°
76°
78°
76°
77°
74°
77°
73°
73°
66°
59°
62°
56°
54°
59°
56°
51°
49°
50°
52°
58°
61°
63°
66°
69°
71°
74°
76°
76°
76°
77°
75°
72°
68°
65°
63°
62°
61°
61°
60°
57°
54°
52°
52°
58°
63°
66°
69°
73°
76°
78°
79°
80°
79°
77°
76°
72°
68°
64°
62°
58°
56°
53°
51°
50°
48°
47°
WIND
mph · gust · dir
21mph WNW
G 31 mph
21
G31
WNW
18
G25
WNW
19
G28
WNW
9
G18
SW
5
G12
SW
12
G19
W
3
G12
WNW
8
G10
ENE
10
G13
ENE
7
G10
SE
8
G10
ESE
4
G7
ESE
4
NE
1
G3
SSW
1
G13
NNE
9
G16
WSW
6
G13
WNW
5
G9
WNW
5
ENE
4
G5
E
3
G4
NE
6
G8
ENE
4
G8
ENE
7
G8
ESE
5
G7
E
3
G12
W
7
G15
WSW
2
G11
NE
8
G15
E
8
G17
ENE
17
G26
WNW
3
G16
ESE
11
G28
W
6
G17
W
8
G10
W
8
G10
W
6
WSW
7
WSW
8
W
9
W
9
W
9
W
8
W
8
G17
W
9
G17
W
9
G17
W
14
G19
WSW
18
G20
WSW
16
G24
WSW
12
G25
WNW
15
G23
SW
17
G28
WSW
15
G29
WSW
12
G32
SW
8
G32
WSW
3
G32
SW
3
G26
S
5
WSW
4
WSW
8
W
12
G30
WSW
9
G14
SW
7
WSW
8
G20
WSW
9
G26
WSW
9
G28
WSW
11
G34
WSW
19
G37
WSW
20
G43
WSW
22
G44
WSW
24
G40
WSW
25
G40
WSW
24
G38
WSW
24
G35
SW
23
G35
SW
23
G34
WSW
22
G34
WSW
21
G34
WSW
21
G34
WSW
21
G34
WSW
20
G38
WSW
17
G40
SW
15
G38
SW
17
G35
WSW
21
G37
WSW
21
G39
WSW
16
G38
WSW
11
G31
WSW
9
WSW
9
WSW
7
WSW
7
G22
SW
7
G23
SW
8
G24
SW
11
G25
SW
10
G26
SSW
11
G26
SW
9
G29
SW
10
G28
SW
21
G30
WSW
23
G30
WSW
22
G30
WSW
23
G30
WSW
23
G30
WSW
19
G28
WSW
13
G26
WSW
8
G21
WSW
9
G17
WSW
8
G13
W
8
W
8
W
8
W
8
WSW
PRECIP
chance %
1%
1%
3%
9%
6%
8%
11%
10%
11%
13%
21%
23%
20%
19%
19%
11%
19%
27%
24%
9%
9%
15%
28%
41%
30%
21%
24%
21%
25%
22%
61%
60%
60%
60%
60%
60%
60%
2%
2%
2%
2%
2%
2%
1%
1%
1%
1%
1%
1%
30%
30%
30%
30%
30%
30%
13%
13%
13%
13%
13%
13%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
3%
3%
3%
3%
3%
3%
4%
4%
4%
4%
4%
4%
1%
1%
1%
1%
1%
CLOUDS
cover %
52%
partly
52%
27%
100%
100%
100%
100%
100%
65%
100%
23%
100%
100%
95%
96%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
80%
7%
10%
7%
75%
100%
100%
100%
100%
100%
96%
100%
100%
6%
0%
0%
0%
0%
0%
0%
6%
5%
6%
6%
52%
53%
100%
0%
100%
6%
6%
100%
100%
5%
0%
100%
0%
6%
8%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
5%
5%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
5%
7%
7%
6%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
PRESSURE
hPa · trend
763
763760758757758757755756754752752751749747749750751749751
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
63
Temperature
Cool
Wind
Calm
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:33 AM
SUNSET
08:36 PM
15H 3M OF DAYLIGHT8H 0M REMAINING
MOON PHASE
Waxing Gibbous
69% illuminated

Station Location

40.3542, -105.6306
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-24 12:36 UTC
Site #402115105375001·USGS

Create a free account to save favorites, set flow alerts, and track conditions

Sign up free