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

63°F

WIND

5mph E

FISH INDEX

75SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

—cfs

No flow data available

Precipitation History

SPONSORED

Weather Conditions

WEATHER CONDITIONS

TODAY

81°

46°

THU

69°

52°

FRI

78°

50°

SAT

77°

49°

SUN

80°

52°

MON

77°

47°

TUE

79°

50°

TIME

WED

NOW

THU

FRI

SAT

SUN

MON

TEMP

hourly forecast

81°

mild

81°

71°

67°

57°

55°

56°

54°

53°

52°

53°

54°

56°

58°

61°

63°

65°

67°

69°

63°

60°

56°

52°

53°

54°

51°

50°

52°

51°

57°

65°

69°

71°

74°

76°

78°

76°

77°

74°

77°

73°

66°

59°

62°

56°

54°

59°

56°

51°

49°

50°

52°

58°

61°

63°

66°

69°

71°

74°

76°

77°

75°

72°

68°

65°

63°

62°

61°

60°

57°

54°

52°

58°

63°

66°

69°

73°

76°

78°

79°

80°

79°

77°

76°

72°

68°

64°

62°

58°

56°

53°

51°

50°

48°

47°

48°

52°

59°

WIND

mph · gust · dir

19mph WNW

G 28 mph

G28

WNW

G24

WNW

G22

G12

NNE

G13

ESE

G13

ESE

ENE

WSW

ESE

WSW

ESE

G11

G16

G19

G17

G12

ENE

G14

ENE

G16

WNW

G37

G27

G17

WSW

SSE

G11

G28

WSW

G16

G15

G17

G20

G19

WSW

G19

WSW

G23

WSW

G22

WNW

G23

G30

WSW

G30

WSW

G32

G29

WSW

G23

G26

G27

WSW

G25

WSW

G15

G26

WSW

G22

G15

WSW

G17

WSW

G22

WSW

G24

WSW

G39

WSW

G43

WSW

G47

WSW

G48

WSW

G47

WSW

G42

WSW

G40

WSW

G39

G38

WSW

G38

WSW

G37

WSW

G37

WSW

G39

WSW

G39

WSW

G37

G38

WSW

G41

WSW

G43

WSW

G43

WSW

G40

WSW

G33

WSW

G26

WSW

G27

WSW

G28

G30

SSW

G28

G25

G29

G33

WSW

G32

WSW

G34

WSW

G30

WSW

G30

WSW

G29

WSW

G24

WSW

G17

WSW

G24

WSW

G21

G18

G14

G10

WSW

PRECIP

chance %

11%

10%

11%

19%

22%

19%

21%

13%

21%

30%

23%

11%

25%

39%

28%

19%

24%

19%

25%

20%

32%

31%

62%

28%

11%

CLOUDS

cover %

27%

few

27%

100%

55%

100%

23%

100%

95%

100%

77%

11%

95%

100%

48%

52%

53%

100%

PRESSURE

hPa · trend

761

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Ideal

Wind

Light

Pressure

Stable

Moon Phase

Average

DAYLIGHT

SUNRISE

05:33 AM

SUNSET

08:36 PM

15H 3M OF DAYLIGHT5H 14M REMAINING

MOON PHASE

Waxing Gibbous

71% illuminated

Station Location

40.3542, -105.6306

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-06-24 15:22 UTC

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