Water Temperature of the St. Croix River in St. Croix Falls, WI

Current Water Temperature

60.6°F

Measurement Time: Friday, May 15, 2026, 4:00 AM CDT

Temperature Locations

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St. Croix River

Station Name: ST. CROIX RIVER AT ST. CROIX FALLS, WI
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 719 feet

Nearest Address:
201–213 Park Rd
St. Croix Falls, WI 54024
Polk County

GPS Coordinates: 45.4069444, -92.6469444

Nearby Water Temperatures

St Croix River, St Croix Falls, WI (0.3 mi)
Sunrise River, North Branch, MN (14 mi)
Saint Croix River, Stillwater, MN (25.4 mi)
Willow River, Hudson, WI (27.5 mi)
Rice Creek, Mounds View, MN (34.4 mi)
Mississippi River, St Paul, MN (38.5 mi)
Shingle Creek, Minneapolis, MN (40.6 mi)
Lake George, Spring Valley, WI (42.8 mi)
Eau Galle River, Spring Valley, WI (43.2 mi)
Minnehaha Creek, Minneapolis, MN (43.7 mi)
Mississippi River, Hastings, MN (46 mi)
Mississippi River, Prescott, WI (46.1 mi)
St. Croix River, Danbury, WI (50.1 mi)
North Lake, Red Wing, MN (51.8 mi)
Clear Lake, Red Wing, MN (52.2 mi)

Weather for St. Croix Falls, Wisconsin

Current Weather

68°F
Sunny
Sunny
68°F
69.6°F
49%
SW 10.7 mph
12.3 mph
67.2°F
52°F
0 in
0%
9 mi
1006 mbar
2.2

Five Day Weather Forecast

Sunny
Fri
H: 89°F
L: 55°F
Sunny
Sat
H: 74°F
L: 51°F
Heavy rain
Sun
H: 54°F
L: 44°F
Heavy rain
Mon
H: 66°F
L: 56°F
Patchy rain nearby
Tue
H: 50°F
L: 46°F

Air Quality

AQI: 1 - Good
PM2.5: 3.35 μg/m3
PM10: 4.75 μg/m3
Carbon Monoxide: 134.85 μg/m3
Nitrogen Dioxide: 1.65 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 114 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 1:06 PM
Sunset: 8:35 PM
Daylight: 14 hrs 55 mins
Moonrise: 4:29 AM
Moon Transit: 11:57 AM
Moonset: 7:43 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:27 AM - 1:57 PM

Minor Periods

7:13 PM - 8:43 PM
3:59 AM - 5:29 AM

Action Rating: 5 out of 5

Red Flag Warning issued May 14 at 9:10PM CDT until May 15 at 9:00PM CDT by NWS Twin Cities/Chanhassen MN

Effective: Thu May 14, 2026, 9:10 PM
Expires: Fri May 15, 2026, 10:00 AM

...CRITICAL FIRE WEATHER CONDITIONS EXPECTED ON FRIDAY... .Limited moisture associated with a passing cold front tonight will combine with strong northwest winds on Friday to produce hazardous fire weather conditions. Temperatures Friday are forecast to be in the 80s area wide, leading to RH values falling below 20 percent. The winds are not expected to be quite as strong as Thursday, but look to remain high enough for critical fire weather. A Red Flag Warning remains in effect for Friday Afternoon across portions of central and western Minnesota and west-central Wisconsin. * AFFECTED AREA...Polk, Barron, and Rusk. * TIMING...From noon to 9 PM CDT Friday. * WINDS...Southwest winds 15 mph with gusts up to 25 mph. * RELATIVE HUMIDITY...Around 20 percent. * IMPACTS...Any fires that develop will spread rapidly. Outdoor burning is not recommended.

Please advise the appropriate officials or fire crews in the field of this Red Flag Warning.


Red Flag Warning issued May 15 at 3:03AM CDT until May 15 at 9:00PM CDT by NWS Twin Cities/Chanhassen MN

Effective: Fri May 15, 2026, 3:03 AM
Expires: Fri May 15, 2026, 9:00 PM

...CRITICAL FIRE WEATHER CONDITIONS EXPECTED TODAY... .Limited moisture associated with a passing cold front tonight will combine with strong northwest winds today to produce hazardous fire weather conditions. Forecast high temperatures are expected to reach the 80s area wide, leading to RH values falling below 20 percent. The winds are not expected to be quite as strong as Thursday, but look to remain high enough for critical fire weather. A Red Flag Warning remains in effect for this afternoon across portions of central and western Minnesota and west-central Wisconsin. * AFFECTED AREA...Polk, Barron, and Rusk. * TIMING...From noon today to 9 PM CDT this evening. * WINDS...Southwest winds 10 to 15 mph with gusts up to 25 mph. * RELATIVE HUMIDITY...Around 19 percent. * IMPACTS...Any fires that develop will spread rapidly. Outdoor burning is not recommended.

Please advise the appropriate officials or fire crews in the field of this Red Flag Warning.


Red Flag Warning issued May 14 at 9:10PM CDT until May 15 at 9:00PM CDT by NWS Twin Cities/Chanhassen MN

Effective: Thu May 14, 2026, 9:10 PM
Expires: Fri May 15, 2026, 10:00 AM

...CRITICAL FIRE WEATHER CONDITIONS EXPECTED ON FRIDAY... .Limited moisture associated with a passing cold front tonight will combine with strong northwest winds on Friday to produce hazardous fire weather conditions. Temperatures Friday are forecast to be in the 80s area wide, leading to RH values falling below 20 percent. The winds are not expected to be quite as strong as Thursday, but look to remain high enough for critical fire weather. A Red Flag Warning remains in effect for Friday Afternoon across portions of central and western Minnesota and west-central Wisconsin. * AFFECTED AREA...Portions of central, east central, southwest, and west central Minnesota. * TIMING...From 11 AM to 9 PM CDT Friday. * WINDS...West winds 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...Around 17 percent. * IMPACTS...Any fires that develop will spread rapidly. Outdoor burning is not recommended.

Please advise the appropriate officials or fire crews in the field of this Red Flag Warning.


Red Flag Warning issued May 15 at 3:03AM CDT until May 15 at 9:00PM CDT by NWS Twin Cities/Chanhassen MN

Effective: Fri May 15, 2026, 3:03 AM
Expires: Fri May 15, 2026, 9:00 PM

...CRITICAL FIRE WEATHER CONDITIONS EXPECTED TODAY... .Limited moisture associated with a passing cold front tonight will combine with strong northwest winds today to produce hazardous fire weather conditions. Forecast high temperatures are expected to reach the 80s area wide, leading to RH values falling below 20 percent. The winds are not expected to be quite as strong as Thursday, but look to remain high enough for critical fire weather. A Red Flag Warning remains in effect for this afternoon across portions of central and western Minnesota and west-central Wisconsin. * AFFECTED AREA...Portions of central, east central, southwest, and west central Minnesota. * TIMING...From 11 AM this morning to 9 PM CDT this evening. * WINDS...West winds 10 to 15 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...Around 16 percent. * IMPACTS...Any fires that develop will spread rapidly. Outdoor burning is not recommended.

Please advise the appropriate officials or fire crews in the field of this Red Flag Warning.


Red Flag Warning issued May 15 at 1:28AM CDT until May 15 at 9:00PM CDT by NWS Duluth MN

Effective: Fri May 15, 2026, 1:28 AM
Expires: Fri May 15, 2026, 4:00 PM

* AFFECTED AREA...In Wisconsin, Douglas, Bayfield, Ashland, Iron, Burnett, Washburn and Sawyer. * WINDS...Southwest 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 18 percent. * IMPACTS...Any fires that develop will spread rapidly. Outdoor burning is not recommended.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.


Friday, May 15, 2026

Weather Forecast

Sunny
88.9°F
55.4°F
71.7°F
42%
0 in
0%
0%
18.6 mph
7.9


Air Quality

AQI: 1 - Good
PM2.5: 4.29 μg/m3
PM10: 5.04 μg/m3
Carbon Monoxide: 142.61 μg/m3
Nitrogen Dioxide: 3.25 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 90.72 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 1:06 PM
Sunset: 8:35 PM
Daylight: 14 hrs 55 mins
Moonrise: 4:29 AM
Moon Transit: 11:57 AM
Moonset: 7:43 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:27 AM - 1:57 PM

Minor Periods

7:13 PM - 8:43 PM
3:59 AM - 5:29 AM

Action Rating: 5 out of 5

Saturday, May 16, 2026

Weather Forecast

Sunny
73.7°F
50.5°F
61.6°F
55%
0 in
0%
0%
13.6 mph
7.1


Air Quality

AQI: 1 - Good
PM2.5: 4.88 μg/m3
PM10: 5.75 μg/m3
Carbon Monoxide: 153.53 μg/m3
Nitrogen Dioxide: 5.8 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 84.76 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:07 PM
Sunset: 8:36 PM
Daylight: 14 hrs 57 mins
Moonrise: 5:00 AM
Moon Transit: 12:56 AM
Moonset: 9:09 PM
Moon Phase: New
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:26 AM - 2:56 PM

Minor Periods

8:39 PM - 10:09 PM
4:30 AM - 6:00 AM

Action Rating: 5 out of 5

Sunday, May 17, 2026

Weather Forecast

Heavy rain
54.2°F
43.9°F
51.1°F
85%
1.42 in
85%
0%
19 mph
1.7


Air Quality

AQI: 1 - Good
PM2.5: 3.01 μg/m3
PM10: 3.27 μg/m3
Carbon Monoxide: 151.57 μg/m3
Nitrogen Dioxide: 3.62 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 68.76 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 1:07 PM
Sunset: 8:37 PM
Daylight: 14 hrs 59 mins
Moonrise: 5:41 AM
Moon Transit: 2:01 PM
Moonset: 10:31 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:36 AM - 3:06 AM
1:31 PM - 4:01 PM

Minor Periods

10:01 PM - 11:31 PM
5:11 AM - 6:41 AM

Action Rating: 4 out of 5

Monday, May 18, 2026

Weather Forecast

Heavy rain
66.2°F
55.8°F
59.6°F
97%
1.63 in
87%
0%
20.6 mph
5.1


Air Quality

AQI: 1 - Good
PM2.5: 5.4 μg/m3
PM10: 6.15 μg/m3
Carbon Monoxide: 147.05 μg/m3
Nitrogen Dioxide: 5.6 μg/m3
Sulphur Dioxide: 1.21 μg/m3
Ozone: 59.6 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 1:07 PM
Sunset: 8:38 PM
Daylight: 15 hrs 2 mins
Moonrise: 6:36 AM
Moon Transit: 3:08 PM
Moonset: 11:40 PM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

1:42 AM - 4:12 AM
2:38 PM - 5:08 PM

Minor Periods

12:00 AM - 12:00 AM
6:06 AM - 7:36 AM

Action Rating: 4 out of 5

Tuesday, May 19, 2026

Weather Forecast

Patchy rain nearby
50.4°F
46°F
49.7°F
85%
0.02 in
80%
0%
15 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 4.03 μg/m3
PM10: 4.38 μg/m3
Carbon Monoxide: 181.16 μg/m3
Nitrogen Dioxide: 4.17 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 63.23 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:07 PM
Sunset: 8:39 PM
Daylight: 15 hrs 4 mins
Moonrise: 7:46 AM
Moon Transit: 4:14 PM
Moonset: 12:40 AM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

2:49 AM - 5:19 AM
3:44 PM - 6:14 PM

Minor Periods

7:16 AM - 8:46 AM
12:00 AM - 12:00 AM

Action Rating: 3 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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