Willow Flowage

Willow Flowage

Hazelhurst, Oneida County, WI
7mi²
465.00ft
Directions
Lake Information

Willow Flowage is a large reservoir located in Oneida County, Wisconsin. With over 4,200 acres of surface area, it is a popular destination for outdoor enthusiasts and anglers alike. The reservoir is a man-made impoundment created by the Willow Dam on the Tomahawk River. It was constructed in the 1930s to provide hydroelectric power and flood control in the area. Today, it is a popular recreational destination for fishing, boating, and camping. The Willow Flowage is home to a variety of fish species, making it a popular spot for anglers. The reservoir has a reputation for producing trophy-sized musky, with some fish reaching up to 50 inches in length. Panfish such as bluegill and crappie are also abundant, as are largemouth and smallmouth bass. Northern pike and walleye are also common catches in the reservoir. The presence of diverse fish species ensures that anglers of all skill levels and preferences can enjoy a day out on the water. In addition to fishing, the Willow Flowage offers a range of recreational activities. Boating and watersports are popular activities, and visitors can enjoy paddling along the scenic shoreline or water skiing across the expansive reservoir. The area surrounding the reservoir is also home to a range of wildlife, including deer, black bears, and bald eagles, making it a popular destination for nature enthusiasts and photographers. For those looking to stay overnight, the Willow Flowage has several campgrounds and resorts offering a range of accommodations, from tent camping to luxury cabins. The flowage is also surrounded by miles of hiking and biking trails, providing visitors with ample opportunities to explore the natural beauty of the area. Overall, the Willow Flowage is a popular destination for those seeking a scenic, outdoor getaway with plenty of opportunities for fishing and recreation. The Willow Flowage is managed by the Wisconsin Department of Natural Resources, which maintains several boat launches and fishing piers around the reservoir. Anglers should be aware of regulations related to fishing licenses, bag limits, and seasonal closures. Additionally, visitors to the flowage should follow guidelines related to water safety, including wearing life jackets and being aware of changing weather conditions. With its scenic beauty and abundant fish populations, the Willow Flowage is a must-visit destination for any angler or outdoor enthusiast in the Oneida County area.

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Current Conditions

45°F°
Feels like 43°F°
MostlyClear
Today's High
61°F°
Today's Low
35°F°

Water Temperature

55°F
Updated: (May 2)
Sign in to contribute temps.

Current water temperature for Willow Flowage is 55°F.

Current Snapshot

Wind7 mph N (Gust 13 mph)
Pressure
29.98 inHg
Visibility14 mi
Humidity78%
Cloud Cover18%

Forecast: Saturday, May 3

Day 1 of 9

Hourly Insights

7 AM
36°F°
10 AM
43°F°
1 PM
53°F°
4 PM
60°F°

Temperature

High
61°F°
Low
35°F°

Precipitation

Chance0%
Amount0.00"
Typeclear

Wind

3mph
Avg Speed
Gusts up to
11mph
CalmModerateStrong
Max Speed5 mph

Sun, Moon & UV

Sunrise10:43 AM
Sunset1:09 AM
Moon PhasewaxingCrescent
Max UV Index6 (High)

Solunar Fishing Forecast

Action Rating
2/5

Todays action is rated a 2 (scale is 0 thru 5, 5 is the best)

Major Times (Best)

11:21 PM - 1:51 AM

10:56 AM - 1:26 PM

Minor Times (Good)

3:19 PM - 4:49 PM

6:39 AM - 8:09 AM

Outlook for Saturday at Willow Flowage

Expect temperatures ranging from 35°F to 61°F. Skies look partly cloudy with little chance of precipitation. Winds will be averaging 3 mph, with potential gusts reaching up to 11 mph. The maximum UV index will be 6 (High), so plan sun protection accordingly. For anglers, today's fishing action is rated 2/5 (Todays action is rated a 2 (scale is 0 thru 5, 5 is the best)). Look for the best bite times during the major periods around 11:21 PM and 10:56 AM, or try the minor windows near 3:19 PM and 6:39 AM for potential early morning or evening action. Check back for the latest conditions and forecasts for Willow Flowage.

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May 3rd 2025

Lake Information

Elevation
465 ft
Area
7 mi²
Coordinates
45.713, -89.846

Weather Forecast

Saturday

61°F
35°F

Sunday

70°F
40°F

Monday

68°F
42°F

Tuesday

74°F
45°F

Wednesday

57°F
40°F

Thursday

65°F
35°F

Friday

71°F
38°F

Saturday

71°F
50°F

Sunday

74°F
49°F
Saturday - 5/3/2025
61°F
35°F
12am
38°F
55°F
30.05 hPa
4 mph
N
G: 10 mph
2am
37°F
55°F
30.04 hPa
3 mph
N
G: 7 mph
4am
36°F
55°F
30.05 hPa
2 mph
NNE
G: 5 mph
6am
35°F
55°F
30.06 hPa
2 mph
NNE
G: 3 mph
8am
38°F
55°F
30.07 hPa
1 mph
E
G: 2 mph
10am
43°F
55°F
30.07 hPa
2 mph
NW
G: 6 mph
12pm
49°F
55°F
30.05 hPa
1 mph
SSE
G: 3 mph
2pm
56°F
55°F
30.01 hPa
2 mph
W
G: 7 mph
4pm
60°F
55°F
29.98 hPa
3 mph
W
G: 7 mph
6pm
61°F
55°F
29.97 hPa
5 mph
W
G: 10 mph
8pm
56°F
55°F
29.97 hPa
2 mph
SW
G: 7 mph
10pm
49°F
55°F
29.99 hPa
4 mph
SW
G: 9 mph

Water Temperature History

Trends for Willow Flowage

Current Temp

Sign in to view

Latest recorded surface temperature.

Lowest in Period

37°F

On Oct 30

Coldest point in the Last 12 Months.

Average in Period

57°F

Typical temp during the Last 12 Months.

Temperature Trend: Last 12 Months

Surface temperature over the selected period.

Key Observations (Last 12 Months)

  • Warmest avg: August (71°F).
  • Coolest avg: November (38°F).
  • Rapid warming often occurs: May → June (+10°F).
  • Sharpest cooling trend: September → October (-14°F).

Weather Forecast

Wind speed and pressure trends

Hourly Wind Forecast

Wind Direction

Pressure

1017 mb

Cloud Cover

89%

Visibility

12 miles

Daily Pressure Forecast

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Frequently Asked Questions About Willow Flowage

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