Water Temperature of the Yellow River in Knox, IN

Current Water Temperature

75.2°F

Measurement Time: Tuesday, July 21, 2026, 2:45 PM CDT

Temperature Locations

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Local Points of Interest

Wythougan Park

Yellow River

Station Name: YELLOW RIVER AT KNOX, IN
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 699 feet

Nearest Address:
N 400 E
Knox, IN 46534
Starke County

GPS Coordinates: 41.3028196, -86.6205695

Nearby Water Temperatures

Yellow River, Knox, IN (6.1 mi)
Kankakee River, Hamlet, IN (7.5 mi)
Yellow River, Oak Grove, IN (8.3 mi)
Kankakee River, Dunns Bridge, IN (18.9 mi)
Kankakee River, Shelby, IN (38.3 mi)
Deep River, Lake Station, IN (39.4 mi)
St. Joseph River, Niles, MI (40.9 mi)
Saint Joseph River, Niles, MI (41.4 mi)
Little Calumet River, Gary, IN (44.4 mi)
Iroquois River, Foresman, IN (46.6 mi)
Lake Michigan, Stevensville, MI (46.9 mi)
Hart Ditch, Munster, IN (48 mi)
Plum Creek, Dyer, IN (48.2 mi)
Indiana Harbor Canal, East Chicago, IN (50 mi)
Grand Calumet River, Hammond, IN (50.5 mi)

Weather for Knox, Indiana

Current Weather

77.7°F
Sunny
Sunny
79.3°F
84°F
74%
NNW 10.3 mph
17 mph
82.2°F
63.4°F
0 in
0%
9 mi
1008 mbar
0.2

Five Day Weather Forecast

Sunny
Tue
H: 90°F
L: 69°F
Sunny
Wed
H: 68°F
L: 56°F
Sunny
Thu
H: 74°F
L: 53°F
Sunny
Fri
H: 75°F
L: 59°F
Overcast
Sat
H: 74°F
L: 59°F

Air Quality

AQI: 1 - Good
PM2.5: 2.5 μg/m3
PM10: 2.5 μg/m3
Carbon Monoxide: 190 μg/m3
Nitrogen Dioxide: 4.7 μg/m3
Sulphur Dioxide: 2.2 μg/m3
Ozone: 87 μg/m3

Astronomical

Sunrise: 5:31 AM
Sun Transit: 12:52 AM
Sunset: 8:14 PM
Daylight: 14 hrs 43 mins
Moonrise: 1:45 PM
Moon Transit: 6:52 PM
Moonset: 12:27 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%

Best Times for Fishing or Hunting

Major Periods

6:28 AM - 8:58 AM
6:22 PM - 8:52 PM

Minor Periods

1:15 PM - 2:45 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Beach Hazards Statement issued July 21 at 3:38PM EDT until July 23 at 8:00AM EDT by NWS Northern Indiana

Effective: Tue July 21, 2026, 2:38 PM
Expires: Tue July 21, 2026, 10:45 PM

* WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers will be heavily swamped by waves. * WHERE...Northern La Porte county. * WHEN...From 6 PM CDT this evening through Thursday morning. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers.

Remain out of the water to avoid hazardous swimming conditions. Do not venture out on piers.


Beach Hazards Statement issued July 21 at 11:04AM EDT until July 23 at 8:00AM EDT by NWS Northern Indiana

Effective: Tue July 21, 2026, 10:04 AM
Expires: Tue July 21, 2026, 6:15 PM

* WHAT...Life-threatening waves and currents expected. - High wave action: Waves building to 3 to 5 feet this evening and then building to 5 to 8 feet by Wednesday morning before receding Wednesday night. - Life threatening rip, longshore, and structural currents are expected. Structural currents may be especially strong on the north sides of piers or breakwalls into the evening. * WHERE...Northern La Porte county. * WHEN...From 6 PM CDT this evening through Thursday morning. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers.

Remain out of the water to avoid hazardous swimming conditions. Do not venture out on piers.
Tuesday, July 21, 2026

Weather Forecast

Sunny
89.8°F
69.4°F
78°F
72%
0.02 in
36%
0%
14.3 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 4.06 μg/m3
PM10: 4.18 μg/m3
Carbon Monoxide: 178.88 μg/m3
Nitrogen Dioxide: 4.88 μg/m3
Sulphur Dioxide: 2.5 μg/m3
Ozone: 87.33 μg/m3

Astronomical

Sunrise: 5:31 AM
Sun Transit: 12:52 AM
Sunset: 8:14 PM
Daylight: 14 hrs 43 mins
Moonrise: 1:45 PM
Moon Transit: 6:52 PM
Moonset: 12:27 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%

Best Times for Fishing or Hunting

Major Periods

6:28 AM - 8:58 AM
6:22 PM - 8:52 PM

Minor Periods

1:15 PM - 2:45 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, July 22, 2026

Weather Forecast

Sunny
68.4°F
55.5°F
62.9°F
70%
0.01 in
19%
0%
13 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 2.76 μg/m3
PM10: 2.88 μg/m3
Carbon Monoxide: 128.21 μg/m3
Nitrogen Dioxide: 4.53 μg/m3
Sulphur Dioxide: 0.76 μg/m3
Ozone: 70.33 μg/m3

Astronomical

Sunrise: 5:32 AM
Sun Transit: 12:53 AM
Sunset: 8:13 PM
Daylight: 14 hrs 41 mins
Moonrise: 2:50 PM
Moon Transit: 7:38 PM
Moonset: 12:52 AM
Moon Phase: First Quarter
Moon Illumination: 55.0%

Best Times for Fishing or Hunting

Major Periods

7:13 AM - 9:43 AM
7:08 PM - 9:38 PM

Minor Periods

2:20 PM - 3:50 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, July 23, 2026

Weather Forecast

Sunny
73.7°F
52.5°F
63.8°F
67%
0 in
6%
0%
4.3 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 6.82 μg/m3
PM10: 7.11 μg/m3
Carbon Monoxide: 129.88 μg/m3
Nitrogen Dioxide: 17.15 μg/m3
Sulphur Dioxide: 1.08 μg/m3
Ozone: 60.63 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 12:53 AM
Sunset: 8:12 PM
Daylight: 14 hrs 39 mins
Moonrise: 3:54 PM
Moon Transit: 8:26 PM
Moonset: 12:20 AM
Moon Phase: First Quarter
Moon Illumination: 66.1%

Best Times for Fishing or Hunting

Major Periods

7:59 AM - 10:29 AM
7:56 PM - 10:26 PM

Minor Periods

3:24 PM - 4:54 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Friday, July 24, 2026

Weather Forecast

Sunny
75.2°F
59.2°F
66.8°F
71%
0 in
7%
0%
5.8 mph
8.3


Air Quality

AQI: 1 - Good
PM2.5: 3.96 μg/m3
PM10: 4.24 μg/m3
Carbon Monoxide: 190.93 μg/m3
Nitrogen Dioxide: 8.38 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 71.58 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 12:53 AM
Sunset: 8:11 PM
Daylight: 14 hrs 37 mins
Moonrise: 4:55 PM
Moon Transit: 9:16 PM
Moonset: 12:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

8:48 AM - 11:18 AM
8:46 PM - 11:16 PM

Minor Periods

4:25 PM - 5:55 PM
12:24 AM - 1:54 AM

Action Rating: 2 out of 5

Saturday, July 25, 2026

Weather Forecast

Overcast
73.6°F
59°F
66.5°F
87%
0 in
21%
0%
8.9 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 4.25 μg/m3
PM10: 4.36 μg/m3
Carbon Monoxide: 228.38 μg/m3
Nitrogen Dioxide: 15.53 μg/m3
Sulphur Dioxide: 0.65 μg/m3
Ozone: 37.88 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 12:53 AM
Sunset: 8:11 PM
Daylight: 14 hrs 36 mins
Moonrise: 5:51 PM
Moon Transit: 10:07 PM
Moonset: 1:35 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.2%

Best Times for Fishing or Hunting

Major Periods

9:39 AM - 12:09 AM
12:00 AM - 12:00 AM

Minor Periods

5:21 PM - 6:51 PM
1:05 AM - 2:35 AM

Action Rating: 2 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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