Weather for Boulder Junction, Wisconsin
Current Weather
Five Day Weather Forecast
Fri
H: 82°F
L: 53°F
Sat
H: 82°F
L: 59°F
Sun
H: 98°F
L: 67°F
Mon
H: 88°F
L: 65°F
Tue
H: 83°F
L: 61°F
Air Quality
Nitrogen Dioxide: 0.2 μg/m3
Sulphur Dioxide: 0.2 μg/m3
Ozone: 99 μg/m3
Astronomical
Sun Transit: 1:05 PM
Sunset: 8:38 PM
Daylight: 15 hrs 7 mins
Moon Transit: 9:28 PM
Moonset: 12:46 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%
Best Times for Fishing or Hunting
Major Periods
8:36 AM - 11:06 AM8:58 PM - 11:28 PM
Minor Periods
5:00 PM - 6:30 PM12:16 AM - 1:46 AM
Action Rating: 3 out of 5
Extreme Heat Watch issued July 24 at 2:07PM CDT until July 26 at 9:00PM CDT by NWS Duluth MN
Effective: Fri July 24, 2026, 7:07 PM
Expires: Sat July 25, 2026, 3:00 PM
* WHAT...Dangerously hot conditions with heat index values up to 99 degrees and Wet Bulb Globe Temperatures up to 86 degrees possible. * WHERE...Ashland and Sawyer Counties. This includes the Tribal Lands of the Bad River Reservation and the Lac Courte Oreilles Reservation. Other locations including Madeline Island. * WHEN...From Sunday morning through Sunday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Small Craft Advisory issued July 24 at 3:57AM EDT until July 25 at 8:00AM EDT by NWS Marquette MI
Effective: Fri July 24, 2026, 7:57 AM
Expires: Fri July 24, 2026, 8:00 PM
* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 2 ft expected. * WHERE...Black River to Ontonagon MI. * WHEN...From 11 PM EDT /10 PM CDT/ this evening to 8 AM EDT /7 AM CDT/ Saturday. * IMPACTS...Conditions will be hazardous to small craft.
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Small Craft Advisory issued July 24 at 10:36AM EDT until July 25 at 8:00AM EDT by NWS Marquette MI
Effective: Fri July 24, 2026, 2:36 PM
Expires: Sat July 25, 2026, 2:45 AM
* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 2 ft expected. * WHERE...Black River to Ontonagon MI. * WHEN...From 11 PM EDT /10 PM CDT/ this evening to 8 AM EDT /7 AM CDT/ Saturday. * IMPACTS...Conditions will be hazardous to small craft.
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Small Craft Advisory issued July 24 at 3:51PM EDT until July 25 at 8:00AM EDT by NWS Marquette MI
Effective: Fri July 24, 2026, 7:51 PM
Expires: Sat July 25, 2026, 8:00 AM
* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 3 ft expected. * WHERE...Black River to Ontonagon MI. * WHEN...From 10 PM EDT /9 PM CDT/ this evening to 8 AM EDT /7 AM CDT/ Saturday. * IMPACTS...Conditions will be hazardous to small craft.
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Small Craft Advisory issued July 24 at 3:57AM EDT until July 25 at 5:00AM EDT by NWS Marquette MI
Effective: Fri July 24, 2026, 7:57 AM
Expires: Fri July 24, 2026, 8:00 PM
* WHAT...South winds around 15 kt with gusts up to 25 kt and waves 1 to 2 ft expected. * WHERE...Saxon Harbor WI to Black River MI. * WHEN...From midnight EDT /11 PM CDT/ tonight to 5 AM EDT /4 AM CDT/ Saturday. * IMPACTS...Conditions will be hazardous to small craft.
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.15 μg/m3
Sulphur Dioxide: 0.23 μg/m3
Ozone: 80.63 μg/m3
Astronomical
Sun Transit: 1:05 PM
Sunset: 8:38 PM
Daylight: 15 hrs 7 mins
Moon Transit: 9:28 PM
Moonset: 12:46 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%
Best Times for Fishing or Hunting
Major Periods
8:36 AM - 11:06 AM8:58 PM - 11:28 PM
Minor Periods
5:00 PM - 6:30 PM12:16 AM - 1:46 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.46 μg/m3
Sulphur Dioxide: 0.49 μg/m3
Ozone: 89.04 μg/m3
Astronomical
Sun Transit: 1:05 PM
Sunset: 8:37 PM
Daylight: 15 hrs 4 mins
Moon Transit: 10:19 PM
Moonset: 1:24 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.2%
Best Times for Fishing or Hunting
Major Periods
9:27 AM - 11:57 AM12:00 AM - 12:00 AM
Minor Periods
5:57 PM - 7:27 PM12:54 AM - 2:24 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.7 μg/m3
Sulphur Dioxide: 0.61 μg/m3
Ozone: 88.17 μg/m3
Astronomical
Sun Transit: 1:05 PM
Sunset: 8:36 PM
Daylight: 15 hrs 2 mins
Moon Transit: 11:11 PM
Moonset: 2:13 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.3%
Best Times for Fishing or Hunting
Major Periods
10:18 AM - 12:48 AM12:00 AM - 12:00 AM
Minor Periods
6:46 PM - 8:16 PM1:43 AM - 3:13 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0.96 μg/m3
Sulphur Dioxide: 0.35 μg/m3
Ozone: 92.13 μg/m3
Astronomical
Sun Transit: 1:05 PM
Sunset: 8:35 PM
Daylight: 15 hrs mins
Moon Transit: 12:00 AM
Moonset: 3:10 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:09 AM - 1:39 PM
Minor Periods
7:25 PM - 8:55 PM2:40 AM - 4:10 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0.7 μg/m3
Sulphur Dioxide: 0.24 μg/m3
Ozone: 82.5 μg/m3
Astronomical
Sun Transit: 1:05 PM
Sunset: 8:33 PM
Daylight: 14 hrs 57 mins
Moon Transit: 12:01 AM
Moonset: 4:14 AM
Moon Phase: Full
Moon Illumination: 99.7%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:59 AM - 2:29 PM
Minor Periods
7:56 PM - 9:26 PM3:44 AM - 5:14 AM
Action Rating: 4 out of 5