Water Temperature of the Saint Croix River in Stillwater, MN

Current Water Temperature

89.9°F

Measurement Time: Sunday, January 21, 2024, 9:15 AM CST

Temperature Locations

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Local Points of Interest

Lowell Park; Stillwater Lift Bridge; Lake Saint Croix; Houlton, WI; Hudson, WI

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Saint Croix River

Station Name: Stillwater
Data Source: USGS

Elevation Above Sea Level: 666 feet / 203 meters

Nearest Address:
498 Chestnut St E
Stillwater, MN 55082
Washington County

GPS Coordinates: 45.0567, -92.8025

Nearby Water Temperatures

Willow River, Hudson, WI (5.6 mi)
Mississippi River, St Paul, MN (16.0 mi)
Rice Creek, Mounds View, MN (19.3 mi)
Mississippi River, Hastings, MN (20.8 mi)
Mississippi River, Prescott, WI (21.2 mi)
Minnehaha Creek, Minneapolis, MN (22.3 mi)
Shingle Creek, Minneapolis, MN (24.8 mi)
St. Croix River, St. Croix Falls, WI (25.4 mi)
St Croix River, St Croix Falls, WI (25.7 mi)
North Lake, Red Wing, MN (28.1 mi)
Clear Lake, Red Wing, MN (28.3 mi)
Lake George, Spring Valley, WI (30.8 mi)
Eau Galle River, Spring Valley, WI (31.0 mi)
Mississippi River, Red Wing, MN (32.2 mi)
Sunrise River, North Branch, MN (33.8 mi)

Weather for Stillwater, Minnesota

Current Weather

68.4°F
Fog
Conditions: Fog
Humidity: 94%
Feels Like: 68.4°F
Wind: SSE 6.3 mph
Wind Gusts: 13.2 mph
Pressure: 29.96 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Overcast
Sun
H: 88°F
L: 71°F
Sunny
Mon
H: 87°F
L: 62°F
Sunny
Tue
H: 81°F
L: 66°F
Sunny
Wed
H: 80°F
L: 57°F
Sunny
Thu
H: 83°F
L: 62°F

Air Quality

PM2.5: 8.7 μg/m3
PM10: 9.07 μg/m3
Carbon Monoxide: 320.05 μg/m3
Nitrogen Dioxide: 16.84 μg/m3
Sulphur Dioxide: 3.33 μg/m3
Ozone: 55 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 1:16 PM
Sunset: 8:25 PM
Daylight: 14 hrs 18 mins
Moonrise: 9:16 PM
Moon Transit: 2:06 AM
Moonset: 7:28 AM
Moon Phase: Full
Moon Illumination: 95.5%

Best Times for Fishing or Hunting

Major Periods

1:36 AM - 4:06 AM
1:37 PM - 4:07 PM

Minor Periods

8:46 PM - 10:16 PM
6:58 AM - 8:28 AM

Action Rating: 4 out of 5

Air Quality Alert issued August 9 at 1:25PM CDT by NWS Twin Cities/Chanhassen MN

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Sat August 9, 2025, 1:25 PM
Expires: Tue August 12, 2025, 9:00 AM

* WHAT...The Minnesota Pollution Control Agency has issued an Air Quality Alert for fine particles pollution. The Air Quality Index (AQI) is expected to reach the Red or Unhealthy category. * WHERE...Central, east central, west central, north central, northwest, and northeast Minnesota. * WHEN...From 9 AM CDT Sunday to 9 AM CDT Tuesday. * IMPACTS...Some members of the general public may experience health effects. Sensitive groups, such as people with lung disease (including asthma), heart disease, and children and older adults, may experience health effects. * ADDITIONAL DETAILS...Heavy surface smoke from many wildfires across central Saskatchewan and Manitoba will wrap around the backside of an area of low pressure this weekend, as the low moves east across south central Canada. Poor air quality will most likely impact western Minnesota beginning Sunday morning, and then expand further east through the evening. Heavy smoke should then disperse from west to east across the state from Monday into Tuesday morning.

Sensitive groups, such as people with lung disease (including asthma), heart disease, and children and older adults, should avoid prolonged or heavy exertion. The general public should limit prolonged or heavy exertion. Reduce or eliminate activities that contribute to air pollution, such as outdoor burning, and use of residential wood burning devices. Reduce vehicle trips and vehicle idling as much as possible. Keep windows closed overnight to prevent smoke from getting indoors.


Air Quality Alert issued August 9 at 1:25PM CDT by NWS Twin Cities/Chanhassen MN

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Sat August 9, 2025, 1:25 PM
Expires: Tue August 12, 2025, 9:00 AM

* WHAT...The Minnesota Pollution Control Agency has issued an Air Quality Alert for fine particles pollution. The Air Quality Index (AQI) is expected to reach the Red or Unhealthy category. * WHERE...Central, east central, west central, north central, northwest, and northeast Minnesota. * WHEN...From 9 AM CDT Sunday to 9 AM CDT Tuesday. * IMPACTS...Some members of the general public may experience health effects. Sensitive groups, such as people with lung disease (including asthma), heart disease, and children and older adults, may experience health effects. * ADDITIONAL DETAILS...Heavy surface smoke from many wildfires across central Saskatchewan and Manitoba will wrap around the backside of an area of low pressure this weekend, as the low moves east across south central Canada. Poor air quality will most likely impact western Minnesota beginning Sunday morning, and then expand further east through the evening. Heavy smoke should then disperse from west to east across the state from Monday into Tuesday morning.

Sensitive groups, such as people with lung disease (including asthma), heart disease, and children and older adults, should avoid prolonged or heavy exertion. The general public should limit prolonged or heavy exertion. Reduce or eliminate activities that contribute to air pollution, such as outdoor burning, and use of residential wood burning devices. Reduce vehicle trips and vehicle idling as much as possible. Keep windows closed overnight to prevent smoke from getting indoors.


Air Quality Alert issued August 9 at 1:25PM CDT by NWS Twin Cities/Chanhassen MN

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Sat August 9, 2025, 1:25 PM
Expires: Tue August 12, 2025, 9:00 AM

* WHAT...The Minnesota Pollution Control Agency has issued an Air Quality Alert for fine particles pollution. The Air Quality Index (AQI) is expected to reach the Red or Unhealthy category. * WHERE...Central, east central, west central, north central, northwest, and northeast Minnesota. * WHEN...From 9 AM CDT Sunday to 9 AM CDT Tuesday. * IMPACTS...Some members of the general public may experience health effects. Sensitive groups, such as people with lung disease (including asthma), heart disease, and children and older adults, may experience health effects. * ADDITIONAL DETAILS...Heavy surface smoke from many wildfires across central Saskatchewan and Manitoba will wrap around the backside of an area of low pressure this weekend, as the low moves east across south central Canada. Poor air quality will most likely impact western Minnesota beginning Sunday morning, and then expand further east through the evening. Heavy smoke should then disperse from west to east across the state from Monday into Tuesday morning.

Sensitive groups, such as people with lung disease (including asthma), heart disease, and children and older adults, should avoid prolonged or heavy exertion. The general public should limit prolonged or heavy exertion. Reduce or eliminate activities that contribute to air pollution, such as outdoor burning, and use of residential wood burning devices. Reduce vehicle trips and vehicle idling as much as possible. Keep windows closed overnight to prevent smoke from getting indoors.


Air Quality Alert issued August 9 at 1:25PM CDT by NWS Twin Cities/Chanhassen MN

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Sat August 9, 2025, 1:25 PM
Expires: Tue August 12, 2025, 9:00 AM

* WHAT...The Minnesota Pollution Control Agency has issued an Air Quality Alert for fine particles pollution. The Air Quality Index (AQI) is expected to reach the Red or Unhealthy category. * WHERE...Central, east central, west central, north central, northwest, and northeast Minnesota. * WHEN...From 9 AM CDT Sunday to 9 AM CDT Tuesday. * IMPACTS...Some members of the general public may experience health effects. Sensitive groups, such as people with lung disease (including asthma), heart disease, and children and older adults, may experience health effects. * ADDITIONAL DETAILS...Heavy surface smoke from many wildfires across central Saskatchewan and Manitoba will wrap around the backside of an area of low pressure this weekend, as the low moves east across south central Canada. Poor air quality will most likely impact western Minnesota beginning Sunday morning, and then expand further east through the evening. Heavy smoke should then disperse from west to east across the state from Monday into Tuesday morning.

Sensitive groups, such as people with lung disease (including asthma), heart disease, and children and older adults, should avoid prolonged or heavy exertion. The general public should limit prolonged or heavy exertion. Reduce or eliminate activities that contribute to air pollution, such as outdoor burning, and use of residential wood burning devices. Reduce vehicle trips and vehicle idling as much as possible. Keep windows closed overnight to prevent smoke from getting indoors.


Air Quality Alert issued August 9 at 1:25PM CDT by NWS Twin Cities/Chanhassen MN

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Sat August 9, 2025, 1:25 PM
Expires: Tue August 12, 2025, 9:00 AM

* WHAT...The Minnesota Pollution Control Agency has issued an Air Quality Alert for fine particles pollution. The Air Quality Index (AQI) is expected to reach the Red or Unhealthy category. * WHERE...Central, east central, west central, north central, northwest, and northeast Minnesota. * WHEN...From 9 AM CDT Sunday to 9 AM CDT Tuesday. * IMPACTS...Some members of the general public may experience health effects. Sensitive groups, such as people with lung disease (including asthma), heart disease, and children and older adults, may experience health effects. * ADDITIONAL DETAILS...Heavy surface smoke from many wildfires across central Saskatchewan and Manitoba will wrap around the backside of an area of low pressure this weekend, as the low moves east across south central Canada. Poor air quality will most likely impact western Minnesota beginning Sunday morning, and then expand further east through the evening. Heavy smoke should then disperse from west to east across the state from Monday into Tuesday morning.

Sensitive groups, such as people with lung disease (including asthma), heart disease, and children and older adults, should avoid prolonged or heavy exertion. The general public should limit prolonged or heavy exertion. Reduce or eliminate activities that contribute to air pollution, such as outdoor burning, and use of residential wood burning devices. Reduce vehicle trips and vehicle idling as much as possible. Keep windows closed overnight to prevent smoke from getting indoors.


Sunday, August 10, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 76.7°F
Average Humidity: 86%
Chance of Rain: 0%
Wind: 12.3 mph
UV Index: 1.8

Air Quality

AQI: 1 - Good
PM2.5: 13.47 μg/m3
PM10: 14.09 μg/m3
Carbon Monoxide: 373.85 μg/m3
Nitrogen Dioxide: 20.36 μg/m3
Sulphur Dioxide: 3.6 μg/m3
Ozone: 74.44 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 1:16 PM
Sunset: 8:25 PM
Daylight: 14 hrs 18 mins
Moonrise: 9:16 PM
Moon Transit: 2:06 AM
Moonset: 7:28 AM
Moon Phase: Full
Moon Illumination: 95.5%

Best Times for Fishing or Hunting

Major Periods

1:36 AM - 4:06 AM
1:37 PM - 4:07 PM

Minor Periods

8:46 PM - 10:16 PM
6:58 AM - 8:28 AM

Action Rating: 4 out of 5

Monday, August 11, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 73.8°F
Average Humidity: 77%
Chance of Rain: 0%
Wind: 10.1 mph
UV Index: 1.1

Air Quality

AQI: 3 - Unhealthy for Sensitive Groups
PM2.5: 48.32 μg/m3
PM10: 48.57 μg/m3
Carbon Monoxide: 732.9 μg/m3
Nitrogen Dioxide: 17.38 μg/m3
Sulphur Dioxide: 4.85 μg/m3
Ozone: 95.48 μg/m3

Astronomical

Sunrise: 6:09 AM
Sun Transit: 1:16 PM
Sunset: 8:24 PM
Daylight: 14 hrs 15 mins
Moonrise: 9:36 PM
Moon Transit: 2:54 AM
Moonset: 8:45 AM
Moon Phase: Waning Gibbous
Moon Illumination: 89.6%

Best Times for Fishing or Hunting

Major Periods

2:24 AM - 4:54 AM
2:24 PM - 4:54 PM

Minor Periods

9:06 PM - 10:36 PM
8:15 AM - 9:45 AM

Action Rating: 2 out of 5

Tuesday, August 12, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 72.6°F
Average Humidity: 79%
Chance of Rain: 0%
Wind: 11.4 mph
UV Index: 1.8

Air Quality

AQI: 2 - Moderate
PM2.5: 24.01 μg/m3
PM10: 24.38 μg/m3
Carbon Monoxide: 368 μg/m3
Nitrogen Dioxide: 15.38 μg/m3
Sulphur Dioxide: 3.67 μg/m3
Ozone: 87.24 μg/m3

Astronomical

Sunrise: 6:10 AM
Sun Transit: 1:16 PM
Sunset: 8:22 PM
Daylight: 14 hrs 12 mins
Moonrise: 9:55 PM
Moon Transit: 6:21 AM
Moonset: 10:02 AM
Moon Phase: Waning Gibbous
Moon Illumination: 81.8%

Best Times for Fishing or Hunting

Major Periods

5:51 AM - 8:21 AM
5:51 AM - 8:21 AM

Minor Periods

9:25 PM - 10:55 PM
9:32 AM - 11:02 AM

Action Rating: 4 out of 5

Wednesday, August 13, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 68.9°F
Average Humidity: 66%
Chance of Rain: 0%
Wind: 7.8 mph
UV Index: 2.1

Air Quality

AQI: 1 - Good
PM2.5: 9.93 μg/m3
PM10: 10.52 μg/m3
Carbon Monoxide: 367.58 μg/m3
Nitrogen Dioxide: 21.08 μg/m3
Sulphur Dioxide: 2.95 μg/m3
Ozone: 67.92 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 1:16 PM
Sunset: 8:21 PM
Daylight: 14 hrs 9 mins
Moonrise: 10:15 PM
Moon Transit: 4:29 AM
Moonset: 11:19 AM
Moon Phase: Waning Gibbous
Moon Illumination: 72.3%

Best Times for Fishing or Hunting

Major Periods

3:59 AM - 6:29 AM
4:00 PM - 6:30 PM

Minor Periods

9:45 PM - 11:15 PM
10:49 AM - 12:19 AM

Action Rating: 3 out of 5

Thursday, August 14, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 69.9°F
Average Humidity: 73%
Chance of Rain: 0%
Wind: 14.5 mph
UV Index: 0

Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:12 AM
Sun Transit: 1:15 PM
Sunset: 8:19 PM
Daylight: 14 hrs 7 mins
Moonrise: 10:39 PM
Moon Transit: 5:18 AM
Moonset: 12:39 AM
Moon Phase: Waning Gibbous
Moon Illumination: 61.6%

Best Times for Fishing or Hunting

Major Periods

4:48 AM - 7:18 AM
4:51 PM - 7:21 PM

Minor Periods

10:09 PM - 11:39 PM
12:09 AM - 1:39 PM

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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