Water Temperature of the St. Croix River in St. Croix Falls, WI
Current Water Temperature
Measurement Time: Thursday, May 14, 2026, 3:00 PM CDT
Temperature Locations
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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

Five Day Weather Forecast

Thu
H: 81°F
L: 47°F

Fri
H: 80°F
L: 54°F

Sat
H: 76°F
L: 52°F

Sun
H: 70°F
L: 52°F

Mon
H: 70°F
L: 62°F
Air Quality
Nitrogen Dioxide: 3.45 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 84 μg/m3
Astronomical
Sun Transit: 1:06 PM
Sunset: 8:34 PM
Daylight: 14 hrs 52 mins
Moon Transit: 11:02 AM
Moonset: 6:18 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.7%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM10:32 AM - 1:02 PM
Minor Periods
5:48 PM - 7:18 PM3:35 AM - 5:05 AM
Action Rating: 2 out of 5
Red Flag Warning issued May 14 at 11:39AM CDT until May 15 at 9:00PM CDT by NWS Twin Cities/Chanhassen MN
Effective: Thu May 14, 2026, 11:39 AM
Expires: Fri May 15, 2026, 5:15 AM
...CRITICAL FIRE WEATHER CONDITIONS THURSDAY AND FRIDAY... .Southerly winds with gusts around 40 to 45 mph are expected today ahead of an approaching front. Relative humidity values will fall to 25 to 30 percent across portions of Minnesota during the afternoon. A Red Flag Warning has been expanded into central Minnesota for this afternoon. Any small amount of moisture increase associated with the front will be short lived as northwest winds bring lower dew points back into Minnesota and Wisconsin Friday. 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. Our Fire Weather Watch has been upgraded to a Red Flag Warning for Friday Afternoon across portions of central and western Minnesota and west-central Wisconsin. The National Weather Service in the Twin Cities has issued a Red Flag Warning in effect from noon to 9 PM CDT Friday. * 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 14 at 5:10PM CDT until May 15 at 9:00PM CDT by NWS Twin Cities/Chanhassen MN
Effective: Thu May 14, 2026, 5:10 PM
Expires: Fri May 15, 2026, 7:00 AM
...CRITICAL FIRE WEATHER CONDITIONS THROUGH THIS EVENING AND AGAIN FRIDAY... .Southerly winds with gusts around 40 to 45 mph are expected today ahead of an approaching front while relative humidity values fall to 25 to 30 percent across portions of Minnesota. A Red Flag Warning remains in effect for much of central and southwest Minnesota into this evening. Any small amount of moisture increase associated with the front will be short lived as northwest winds bring lower dew points back into Minnesota and Wisconsin Friday. 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 14 at 11:39AM CDT until May 15 at 9:00PM CDT by NWS Twin Cities/Chanhassen MN
Effective: Thu May 14, 2026, 11:39 AM
Expires: Fri May 15, 2026, 5:15 AM
...CRITICAL FIRE WEATHER CONDITIONS THURSDAY AND FRIDAY... .Southerly winds with gusts around 40 to 45 mph are expected today ahead of an approaching front. Relative humidity values will fall to 25 to 30 percent across portions of Minnesota during the afternoon. A Red Flag Warning has been expanded into central Minnesota for this afternoon. Any small amount of moisture increase associated with the front will be short lived as northwest winds bring lower dew points back into Minnesota and Wisconsin Friday. 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. Our Fire Weather Watch has been upgraded to a Red Flag Warning for Friday Afternoon across portions of central and western Minnesota and west-central Wisconsin. The National Weather Service in the Twin Cities has issued a Red Flag Warning in effect from 11 AM to 9 PM CDT Friday. * AFFECTED AREA...Sherburne, Isanti, Chisago, Wright, and McLeod. * 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 15 to 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 14 at 5:10PM CDT until May 15 at 9:00PM CDT by NWS Twin Cities/Chanhassen MN
Effective: Thu May 14, 2026, 5:10 PM
Expires: Fri May 15, 2026, 7:00 AM
...CRITICAL FIRE WEATHER CONDITIONS THROUGH THIS EVENING AND AGAIN FRIDAY... .Southerly winds with gusts around 40 to 45 mph are expected today ahead of an approaching front while relative humidity values fall to 25 to 30 percent across portions of Minnesota. A Red Flag Warning remains in effect for much of central and southwest Minnesota into this evening. Any small amount of moisture increase associated with the front will be short lived as northwest winds bring lower dew points back into Minnesota and Wisconsin Friday. 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 and east 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 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.
Fire Weather Watch issued May 14 at 1:40AM CDT until May 15 at 9:00PM CDT by NWS Duluth MN
Effective: Thu May 14, 2026, 1:40 AM
Expires: Thu May 14, 2026, 4:00 PM
* AFFECTED AREA...In Wisconsin, Douglas, Bayfield, Ashland, Iron, Burnett, Washburn and Sawyer. * WINDS...Southwest 15 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 17 percent. * IMPACTS...Any fires that develop will spread rapidly. Outdoor burning is not recommended.
A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.07 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 78.16 μg/m3
Astronomical
Sun Transit: 1:06 PM
Sunset: 8:34 PM
Daylight: 14 hrs 52 mins
Moon Transit: 11:02 AM
Moonset: 6:18 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.7%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM10:32 AM - 1:02 PM
Minor Periods
5:48 PM - 7:18 PM3:35 AM - 5:05 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.5 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 86.88 μg/m3
Astronomical
Sun Transit: 1:06 PM
Sunset: 8:35 PM
Daylight: 14 hrs 55 mins
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 AM11:27 AM - 1:57 PM
Minor Periods
7:13 PM - 8:43 PM3:59 AM - 5:29 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 85.88 μg/m3
Astronomical
Sun Transit: 1:07 PM
Sunset: 8:36 PM
Daylight: 14 hrs 57 mins
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 AM12:26 AM - 2:56 PM
Minor Periods
8:39 PM - 10:09 PM4:30 AM - 6:00 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.01 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 72.4 μg/m3
Astronomical
Sun Transit: 1:07 PM
Sunset: 8:37 PM
Daylight: 14 hrs 59 mins
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 AM1:31 PM - 4:01 PM
Minor Periods
10:01 PM - 11:31 PM5:11 AM - 6:41 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.83 μg/m3
Sulphur Dioxide: 1.83 μg/m3
Ozone: 76.15 μg/m3
Astronomical
Sun Transit: 1:07 PM
Sunset: 8:38 PM
Daylight: 15 hrs 2 mins
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 AM2:38 PM - 5:08 PM
Minor Periods
12:00 AM - 12:00 AM6:06 AM - 7:36 AM
Action Rating: 4 out of 5
