USGS · 01189211

GRIMES BROOK

USGS · 01189211LIVE

GRIMES BROOK AT SIMSBURY, CT

SIMSBURY, CT41.8750°N, -72.8192°W

AIR TEMP

77°F

WIND

4mph SW

FISH INDEX

81SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

—cfs

No flow data available

Precipitation History

Your History · GRIMES BROOK AT SIMSBURY, CT

Track your history

SPONSORED

Weather Conditions

WEATHER CONDITIONS

TODAY

84°

62°

MON

86°

64°

TUE

92°

64°

WED

96°

68°

THU

103°

74°

FRI

102°

72°

SAT

86°

69°

TIME

MON

NOW

TUE

WED

THU

FRI

TEMP

hourly forecast

68°

mild

68°

67°

66°

65°

64°

67°

72°

76°

79°

82°

84°

85°

86°

85°

83°

82°

79°

76°

73°

70°

69°

68°

66°

65°

64°

68°

72°

76°

80°

82°

86°

89°

92°

87°

80°

76°

78°

76°

72°

68°

67°

68°

69°

70°

72°

73°

72°

75°

80°

84°

88°

92°

96°

95°

94°

89°

94°

92°

89°

77°

75°

74°

75°

76°

79°

84°

88°

92°

95°

97°

99°

101°

103°

101°

98°

94°

90°

88°

86°

85°

84°

83°

82°

81°

83°

86°

90°

93°

96°

98°

100°

101°

102°

101°

100°

96°

WIND

mph · gust · dir

4mph S

G 12 mph

G12

G11

SSW

SSE

G12

NNE

G10

NNE

G10

NNE

G11

NNE

G11

NNE

SSE

G11

WNW

G10

SSW

SSE

G11

G15

G19

SSW

G19

SSW

G17

SSW

G15

G13

G14

WNW

G17

G22

G24

SSW

G22

SSW

G16

SSW

G12

SSW

G25

SSW

G24

WSW

G25

G28

WSW

G23

WSW

G17

G12

WNW

NNW

G12

G13

G11

G14

ESE

G24

ESE

G12

G11

WSW

NNW

SSE

SSW

G11

WNW

G13

G16

G15

G16

G15

G14

WNW

G15

WNW

G19

G22

G27

WNW

G25

G11

WNW

G13

G25

G23

G22

G18

G15

G16

G15

G14

G15

G18

PRECIP

chance %

23%

31%

12%

23%

10%

16%

CLOUDS

cover %

clear

93%

100%

11%

13%

24%

100%

82%

52%

11%

65%

71%

94%

10%

17%

78%

63%

90%

100%

98%

100%

79%

87%

100%

51%

16%

100%

15%

96%

100%

82%

100%

80%

40%

100%

11%

12%

11%

55%

100%

61%

44%

100%

85%

65%

47%

33%

PRESSURE

hPa · trend

1007

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Warm

Wind

Calm

Pressure

Rising — Slow

Moon Phase

Peak Activity

DAYLIGHT

SUNRISE

05:18 AM

SUNSET

08:30 PM

15H 12M OF DAYLIGHT0H 0M REMAINING

MOON PHASE

Full Moon

99% illuminated

PEAK ACTIVITY

Station Location

41.8750, -72.8192

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-06-28 23:44 UTC

Site #01189211·USGS

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