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

57°F

WIND

5mph ESE

FISH INDEX

69SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 7 DAY

—cfs

No flow data available

Precipitation History

SPONSORED

Weather Conditions

WEATHER CONDITIONS

TODAY

81°

46°

THU

66°

51°

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°

79°

78°

79°

73°

72°

68°

60°

59°

55°

54°

52°

51°

52°

53°

55°

57°

54°

55°

57°

58°

60°

64°

66°

64°

62°

57°

58°

54°

53°

51°

50°

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°

WIND

mph · gust · dir

16mph WNW

G 26 mph

G26

WNW

G31

WNW

G34

G20

WSW

G22

NNW

G22

G18

WNW

G12

ESE

G13

SSW

G13

NNE

G16

WSW

G13

WNW

ENE

ESE

G12

G15

WSW

G11

G15

G17

ENE

G26

WNW

G16

ESE

G28

G16

G10

WSW

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 %

10%

11%

10%

13%

18%

23%

19%

20%

13%

21%

30%

24%

13%

26%

41%

30%

21%

24%

21%

25%

20%

32%

60%

30%

13%

CLOUDS

cover %

30%

few

30%

100%

85%

100%

95%

100%

77%

11%

95%

100%

48%

52%

53%

100%

PRESSURE

hPa · trend

762

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Ideal

Wind

Light

Pressure

Rising — Slow

Moon Phase

Average

DAYLIGHT

SUNRISE

05:33 AM

SUNSET

08:36 PM

15H 3M OF DAYLIGHT6H 32M REMAINING

MOON PHASE

Waxing Gibbous

70% illuminated

Station Location

40.3542, -105.6306

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-06-24 14:04 UTC

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