Water Temperature of the Yahara River in Windsor, WI

Current Water Temperature

32.0°F

Measurement Time: Wednesday, April 29, 2026, 6:35 PM CDT

Temperature Locations

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Local Points of Interest

Lake Windsor Country Club

Yahara River

Station Name: YAHARA RIVER AT WINDSOR, WI
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 873 feet

Nearest Address:
4601 Golf Dr
Windsor, WI 53598
Dane County

GPS Coordinates: 43.20888889, -89.3525

Nearby Water Temperatures

Lake Mendota, Madison, WI (8 mi)
Lake Monona, Madison, WI (10.3 mi)
Pheasant Branch, Middleton, WI (10.8 mi)
Swan Creek, Fitchburg, WI (14.5 mi)
Brewery Creek, Cross Plains, WI (15.4 mi)
Black Earth Creek, Cross Plains, WI (16.1 mi)
Black Earth Creek, Cross Plains, WI (17 mi)
Badger Mill Creek, Verona, WI (18.6 mi)
Black Earth Creek, Black Earth, WI (19.8 mi)
Sugar River, Verona, WI (20.4 mi)
Eagle Spring Lake, Mukwonago, WI (52.4 mi)
Wisconsin River, Muscoda, WI (54.9 mi)
Fox River, Berlin, WI (55.2 mi)
Fond Du Lac River, Fond Du Lac, WI (60.6 mi)
Fox River, Oshkosh, WI (68.8 mi)

Weather for Windsor, Wisconsin

Current Weather

39°F
Clear
Clear
38.3°F
39.7°F
93%
W 2.2 mph
4.2 mph
36.2°F
34.9°F
0 in
0%
9 mi
1017 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Wed
H: 51°F
L: 40°F
Patchy rain nearby
Thu
H: 50°F
L: 33°F
Patchy rain nearby
Fri
H: 49°F
L: 31°F
Partly Cloudy
Sat
H: 52°F
L: 31°F
Patchy rain nearby
Sun
H: 50°F
L: 40°F

Air Quality

AQI: 1 - Good
PM2.5: 4.75 μg/m3
PM10: 4.85 μg/m3
Carbon Monoxide: 179.85 μg/m3
Nitrogen Dioxide: 6.75 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 55 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 12:54 AM
Sunset: 7:57 PM
Daylight: 14 hrs 3 mins
Moonrise: 6:17 PM
Moon Transit: 11:43 PM
Moonset: 4:40 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.5%

Best Times for Fishing or Hunting

Major Periods

10:57 AM - 1:27 PM
12:00 AM - 12:00 AM

Minor Periods

5:47 PM - 7:17 PM
4:10 AM - 5:40 AM

Action Rating: 3 out of 5

Frost Advisory issued April 29 at 1:00PM CDT until April 30 at 8:00AM CDT by NWS Milwaukee/Sullivan WI

Effective: Wed April 29, 2026, 1:00 PM
Expires: Wed April 29, 2026, 9:00 PM

* WHAT...Temperatures as low as 30 will result in frost formation. * WHERE...Columbia, Green Lake, Marquette, and Sauk Counties. * WHEN...From midnight tonight to 8 AM CDT Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender plants from the cold.


Frost Advisory issued April 29 at 6:16PM CDT until April 30 at 8:00AM CDT by NWS Milwaukee/Sullivan WI

Effective: Wed April 29, 2026, 6:16 PM
Expires: Thu April 30, 2026, 2:30 AM

* WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Columbia, Green Lake, Marquette, and Sauk Counties. * WHEN...From midnight tonight to 8 AM CDT Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender plants from the cold.


Flood Warning issued April 29 at 11:07AM CDT until May 1 at 1:00AM CDT by NWS Milwaukee/Sullivan WI

Effective: Wed April 29, 2026, 11:07 AM
Expires: Wed April 29, 2026, 11:15 PM

...The Flood Warning is extended for the following rivers in Wisconsin... Rock River Near Lake Koshkonong affecting Jefferson and Rock Counties. ...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River At Newville affecting Rock County. Rock River At Fort Atkinson affecting Jefferson County. Rock River At Afton affecting Winnebago and Rock Counties. Rock River At Jefferson affecting Jefferson County. ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County. Fox River Lower Near New Munster affecting Lake and Kenosha Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Rock River at Jefferson. * WHEN...Until early Friday morning. * IMPACTS...At 10.0 feet, Water affects low lying areas of residential property in the City of Jefferson. Rock River Park and boat launch is affected near Hwy B in Johnson Creek. * ADDITIONAL DETAILS... - At 10:00 AM CDT Wednesday the stage was 10.4 feet. - Bankfull stage is 8.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 AM CDT Wednesday was 10.6 feet. - Forecast...The river is expected to fall below flood stage tomorrow evening and continue falling to 7.8 feet Wednesday, May 06. - Flood stage is 10.0 feet. - Flood History...This crest compares to a previous crest of 10.4 feet on 04/02/2008. - http://www.weather.gov/safety/flood

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov. The next statement will be issued this evening at 1115 PM CDT.


Flood Warning issued April 29 at 11:07AM CDT until May 3 at 1:00AM CDT by NWS Milwaukee/Sullivan WI

Effective: Wed April 29, 2026, 11:07 AM
Expires: Wed April 29, 2026, 11:15 PM

...The Flood Warning is extended for the following rivers in Wisconsin... Rock River Near Lake Koshkonong affecting Jefferson and Rock Counties. ...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River At Newville affecting Rock County. Rock River At Fort Atkinson affecting Jefferson County. Rock River At Afton affecting Winnebago and Rock Counties. Rock River At Jefferson affecting Jefferson County. ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County. Fox River Lower Near New Munster affecting Lake and Kenosha Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Rock River at Fort Atkinson. * WHEN...Until early Sunday morning. * IMPACTS...At 16.5 feet, In the Fort Atkinson area, the following roads are impacted: Sinnissippi Drive, Bark River Road from Kutz Road to Rock River Road, and Rock River Road from Highway 106 to the Fort Atkinson city limits. Water is in park land near the river in Fort Atkinson. * ADDITIONAL DETAILS... - At 10:00 AM CDT Wednesday the stage was 16.7 feet. - Bankfull stage is 14.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 AM CDT Wednesday was 16.8 feet. - Forecast...The river is expected to fall below flood stage Saturday evening and continue falling to 14.9 feet Wednesday, May 06. - Flood stage is 16.0 feet. - Flood History...This crest compares to a previous crest of 16.6 feet on 06/06/2000. - http://www.weather.gov/safety/flood

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov. The next statement will be issued this evening at 1115 PM CDT.


Flood Warning issued April 29 at 11:07AM CDT until May 5 at 7:00AM CDT by NWS Milwaukee/Sullivan WI

Effective: Wed April 29, 2026, 11:07 AM
Expires: Wed April 29, 2026, 11:15 PM

...The Flood Warning is extended for the following rivers in Wisconsin... Rock River Near Lake Koshkonong affecting Jefferson and Rock Counties. ...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River At Newville affecting Rock County. Rock River At Fort Atkinson affecting Jefferson County. Rock River At Afton affecting Winnebago and Rock Counties. Rock River At Jefferson affecting Jefferson County. ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County. Fox River Lower Near New Munster affecting Lake and Kenosha Counties. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Rock River near Lake Koshkonong. * WHEN...Until Tuesday morning. * IMPACTS...At 11.0 feet, In the Town of Lake Koshkonong, floodwaters affect Vets Lane, Blackhawk Island Road, and Oxbow Bend Road. There is widespread flooding of roads and docks in the Town of Koshkonong and Town of Sumner including Vets Lane, Blackhawk Island Road and Oxbow Bend Road. * ADDITIONAL DETAILS... - At 10:00 AM CDT Wednesday the stage was 11.0 feet. - Bankfull stage is 9.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 AM CDT Wednesday was 11.1 feet. - Forecast...The river is expected to fall below flood stage early Tuesday morning and continue falling to 9.7 feet Wednesday, May 06. - Flood stage is 10.0 feet. - Flood History...This crest compares to a previous crest of 11.0 feet on 06/07/2000. - http://www.weather.gov/safety/flood

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov. The next statement will be issued this evening at 1115 PM CDT.
Wednesday, April 29, 2026

Weather Forecast

Patchy rain nearby
51.1°F
39.7°F
47.2°F
72%
0.02 in
89%
0%
18.8 mph
3.7


Air Quality

AQI: 1 - Good
PM2.5: 7.25 μg/m3
PM10: 8.02 μg/m3
Carbon Monoxide: 163.33 μg/m3
Nitrogen Dioxide: 4.79 μg/m3
Sulphur Dioxide: 1.49 μg/m3
Ozone: 75.68 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 12:54 AM
Sunset: 7:57 PM
Daylight: 14 hrs 3 mins
Moonrise: 6:17 PM
Moon Transit: 11:43 PM
Moonset: 4:40 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.5%

Best Times for Fishing or Hunting

Major Periods

10:57 AM - 1:27 PM
12:00 AM - 12:00 AM

Minor Periods

5:47 PM - 7:17 PM
4:10 AM - 5:40 AM

Action Rating: 3 out of 5

Thursday, April 30, 2026

Weather Forecast

Patchy rain nearby
50°F
33.4°F
41.9°F
70%
0.01 in
85%
0%
12.1 mph
5.4


Air Quality

AQI: 1 - Good
PM2.5: 4.65 μg/m3
PM10: 4.85 μg/m3
Carbon Monoxide: 173.49 μg/m3
Nitrogen Dioxide: 4.48 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 72.6 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 12:54 AM
Sunset: 7:58 PM
Daylight: 14 hrs 6 mins
Moonrise: 7:22 PM
Moon Transit: 12:00 AM
Moonset: 5:00 AM
Moon Phase: Full
Moon Illumination: 99.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:40 AM - 2:10 PM

Minor Periods

6:52 PM - 8:22 PM
4:30 AM - 6:00 AM

Action Rating: 5 out of 5

Friday, May 1, 2026

Weather Forecast

Patchy rain nearby
49°F
30.5°F
40.3°F
71%
0.02 in
80%
0%
8.3 mph
5.3


Air Quality

AQI: 1 - Good
PM2.5: 3.75 μg/m3
PM10: 4.25 μg/m3
Carbon Monoxide: 159.74 μg/m3
Nitrogen Dioxide: 3.65 μg/m3
Sulphur Dioxide: 1.62 μg/m3
Ozone: 72 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 12:54 AM
Sunset: 7:59 PM
Daylight: 14 hrs 9 mins
Moonrise: 8:29 PM
Moon Transit: 12:26 AM
Moonset: 5:22 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:24 AM - 2:54 PM

Minor Periods

7:59 PM - 9:29 PM
4:52 AM - 6:22 AM

Action Rating: 4 out of 5

Saturday, May 2, 2026

Weather Forecast

Partly Cloudy
52.3°F
30.8°F
41.9°F
69%
0 in
0%
0%
7.8 mph
6.4


Air Quality

AQI: 1 - Good
PM2.5: 6.15 μg/m3
PM10: 7.61 μg/m3
Carbon Monoxide: 157.49 μg/m3
Nitrogen Dioxide: 4.84 μg/m3
Sulphur Dioxide: 1.59 μg/m3
Ozone: 72.08 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 12:54 AM
Sunset: 8:00 PM
Daylight: 14 hrs 11 mins
Moonrise: 9:34 PM
Moon Transit: 1:12 AM
Moonset: 5:49 AM
Moon Phase: Full
Moon Illumination: 98.4%

Best Times for Fishing or Hunting

Major Periods

12:42 AM - 3:12 AM
1:11 PM - 3:41 PM

Minor Periods

9:04 PM - 10:34 PM
5:19 AM - 6:49 AM

Action Rating: 3 out of 5

Sunday, May 3, 2026

Weather Forecast

Patchy rain nearby
50°F
39.5°F
45.3°F
82%
0.05 in
80%
0%
17 mph
5.9


Air Quality

AQI: 1 - Good
PM2.5: 5.81 μg/m3
PM10: 6.41 μg/m3
Carbon Monoxide: 182.16 μg/m3
Nitrogen Dioxide: 9.92 μg/m3
Sulphur Dioxide: 1.4 μg/m3
Ozone: 62.15 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 12:54 AM
Sunset: 8:01 PM
Daylight: 14 hrs 14 mins
Moonrise: 10:37 PM
Moon Transit: 2:00 AM
Moonset: 6:21 AM
Moon Phase: Full
Moon Illumination: 94.4%

Best Times for Fishing or Hunting

Major Periods

1:30 AM - 4:00 AM
2:00 PM - 4:30 PM

Minor Periods

10:07 PM - 11:37 PM
5:51 AM - 7:21 AM

Action Rating: 4 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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