CO DWR · BIGLASCO

BIG THOMPSON RIVER

CO DWR · BIGLASCOLIVE

Big Thompson River At Mouth Near La Salle

EVANS, CO40.3507°N, -104.7837°W Updated 1 d ago

FLOW RATE

13.4cfs

AIR TEMP

62°F

WIND

3mph ENE

FISH INDEX

81SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

13.4cfs

Optimal band: 11–15 cfs

PERIOD HIGH

13.4cfs

PERIOD LOW

13.4cfs

RUNNABLE

100%

last 1 day in band

Precipitation History

SPONSORED

Weather Conditions

WEATHER CONDITIONS

TODAY

85°

62°

THU

71°

57°

FRI

93°

58°

SAT

97°

57°

SUN

97°

66°

MON

92°

60°

TUE

96°

62°

TIME

WED

NOW

THU

FRI

SAT

SUN

MON

TEMP

hourly forecast

76°

mild

76°

80°

83°

84°

85°

78°

72°

67°

66°

64°

62°

63°

62°

63°

66°

65°

68°

70°

71°

70°

57°

59°

61°

62°

61°

59°

58°

59°

62°

66°

71°

76°

83°

89°

91°

93°

70°

63°

69°

71°

73°

70°

66°

67°

63°

61°

59°

58°

57°

59°

64°

73°

81°

84°

87°

89°

91°

93°

95°

97°

93°

88°

83°

76°

74°

75°

73°

71°

70°

69°

67°

66°

69°

74°

79°

84°

88°

90°

92°

94°

96°

97°

96°

94°

86°

80°

76°

74°

70°

66°

63°

61°

60°

WIND

mph · gust · dir

10mph E

G 11 mph

G11

G13

ENE

G22

G21

G15

NNE

G29

ENE

G22

ENE

G25

G19

G18

G20

G24

SSE

G19

SSW

G15

G10

G13

SSE

G20

SSW

G20

G17

G10

SSW

G11

ESE

G17

ESE

G17

ESE

G15

ESE

G15

ESE

G17

ESE

G14

G22

ENE

ESE

G16

ESE

SSE

WNW

SSE

G31

G16

ENE

G10

ESE

G11

G10

G11

G14

G30

G25

WNW

WSW

G12

G11

G14

G11

G13

SSE

G12

G10

WSW

G33

G19

WSW

G11

WSW

G11

WSW

WNW

ESE

G12

ENE

G13

G19

G23

G22

G20

G18

WNW

G19

WSW

G21

SSW

G20

G16

G10

NNE

PRECIP

chance %

10%

12%

25%

29%

19%

29%

37%

39%

32%

22%

24%

20%

17%

23%

25%

17%

11%

14%

17%

18%

19%

17%

15%

19%

52%

70%

27%

11%

CLOUDS

cover %

15%

few

15%

12%

47%

91%

80%

88%

50%

52%

100%

91%

41%

65%

63%

30%

25%

100%

99%

100%

37%

34%

100%

77%

100%

49%

100%

86%

100%

14%

40%

PRESSURE

hPa · trend

859

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Ideal

Wind

Calm

Pressure

Stable

Moon Phase

Average

DAYLIGHT

SUNRISE

05:30 AM

SUNSET

08:33 PM

15H 3M OF DAYLIGHT7H 57M REMAINING

MOON PHASE

Waxing Gibbous

69% illuminated

Station Location

40.3507, -104.7837

Loading map…

DATA · CO DWR · NOAA · NWSUPDATED 2026-06-24 12:36 UTC

Site #BIGLASCO·CO DWR

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