Weather for Mukwonago, Wisconsin
Current Weather
Humidity: 50%
Feels Like: 20°F
Wind: WNW 12.1 mph
Wind Gusts: 14.1 mph
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 1.2
Five Day Weather Forecast
Fri
H: 32°F
L: 19°F
Sat
H: 30°F
L: 24°F
Sun
H: 30°F
L: 11°F
Mon
H: 19°F
L: 6°F
Tue
H: 19°F
L: -0°F
Air Quality
Nitrogen Dioxide: 20.85 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 45 μg/m3
Astronomical
Sun Transit: 11:41 AM
Sunset: 4:22 PM
Daylight: 9 hrs 20 mins
Moon Transit: 6:29 PM
Moonset: 12:14 AM
Moon Phase: First Quarter
Moon Illumination: 57.8%
Best Times for Fishing or Hunting
Major Periods
5:49 AM - 8:19 AM5:59 PM - 8:29 PM
Minor Periods
12:15 AM - 1:45 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Winter Storm Warning issued November 28 at 1:52AM CST until November 30 at 6:00AM CST by NWS Milwaukee/Sullivan WI
Effective: Fri November 28, 2025, 1:52 AM
Expires: Fri November 28, 2025, 1:00 PM
* WHAT...Heavy snow expected. Total snow accumulations between 6 and 10 inches. * WHERE...Portions of east central and southeast Wisconsin. * WHEN...From 6 AM Saturday to 6 AM CST Sunday. * IMPACTS...Travel could be very difficult.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Winter Storm Warning issued November 28 at 9:45AM CST until November 30 at 6:00AM CST by NWS Milwaukee/Sullivan WI
Effective: Fri November 28, 2025, 9:45 AM
Expires: Sat November 29, 2025, 6:00 AM
* WHAT...Heavy snow expected. Total snow accumulations between 6 and 10 inches. * WHERE...Portions of east central and southeast Wisconsin. * WHEN...From 6 AM Saturday to 6 AM CST Sunday. * IMPACTS...Travel could be very difficult.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Winter Storm Warning issued November 28 at 1:52AM CST until November 30 at 6:00AM CST by NWS Milwaukee/Sullivan WI
Effective: Fri November 28, 2025, 1:52 AM
Expires: Fri November 28, 2025, 1:00 PM
* WHAT...Heavy snow expected. Total snow accumulations between 6 and 10 inches. * WHERE...Portions of south central and southeast Wisconsin. * WHEN...From 3 AM Saturday to 6 AM CST Sunday. * IMPACTS...Travel could be very difficult.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Winter Storm Warning issued November 28 at 9:45AM CST until November 30 at 6:00AM CST by NWS Milwaukee/Sullivan WI
Effective: Fri November 28, 2025, 9:45 AM
Expires: Sat November 29, 2025, 6:00 AM
* WHAT...Heavy snow expected. Total snow accumulations between 6 and 10 inches. * WHERE...Portions of south central and southeast Wisconsin. * WHEN...From 3 AM Saturday to 6 AM CST Sunday. * IMPACTS...Travel could be very difficult.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Winter Storm Watch issued November 27 at 10:15PM CST until November 30 at 6:00AM CST by NWS Chicago IL
Effective: Thu November 27, 2025, 10:15 PM
Expires: Fri November 28, 2025, 8:15 AM
* WHAT...Snow, possibly heavy at times. Total snow accumulations in excess of 6 inches possible. * WHERE...Portions of central, east central, north central, and northeast Illinois and northwest Indiana. * WHEN...From late Friday night through late Saturday night. * IMPACTS...Travel could be difficult.
Monitor the latest forecasts for updates on this situation.
Winter Storm Warning issued November 28 at 2:03AM CST until November 30 at 6:00AM CST by NWS Chicago IL
Effective: Fri November 28, 2025, 2:03 AM
Expires: Fri November 28, 2025, 12:15 PM
* WHAT...Heavy snow expected. Total snow accumulations between 6 and 10 inches. Locally higher amounts possible northwest of an Ottawa to Aurora to Waukegan line. * WHERE...Portions of central, north central, and northeast Illinois and northwest Indiana. * WHEN...From 3 AM Saturday to 6 AM CST Sunday. * IMPACTS...Travel could be very difficult.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Illinois can be obtained at www.gettingaroundillinois.com. The latest road conditions for Indiana can be obtained at https://511in.org.
Winter Storm Warning issued November 28 at 11:04AM CST until November 30 at 6:00AM CST by NWS Chicago IL
Effective: Fri November 28, 2025, 11:04 AM
Expires: Fri November 28, 2025, 9:15 PM
* WHAT...Heavy snow expected. Total snow accumulations between 6 and 10 inches. Locally higher amounts possible northwest of an Ottawa to Aurora to Waukegan line. Southeast winds gusting to 30 mph. * WHERE...Portions of central, north central, and northeast Illinois and northwest Indiana. * WHEN...From 3 AM Saturday to 6 AM CST Sunday. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...The highest snowfall rates are expected Saturday afternoon. The snow may mix with or transition to drizzle east of interstate 55 Saturday evening.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Illinois can be obtained at www.gettingaroundillinois.com. The latest road conditions for Indiana can be obtained at https://511in.org.
Weather Forecast
Average Temperature: 25.2°F
Average Humidity: 65%
Wind: 14.8 mph
UV Index: 0.3
Air Quality
Nitrogen Dioxide: 4.89 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 68.48 μg/m3
Astronomical
Sun Transit: 11:41 AM
Sunset: 4:22 PM
Daylight: 9 hrs 20 mins
Moon Transit: 6:29 PM
Moonset: 12:14 AM
Moon Phase: First Quarter
Moon Illumination: 57.8%
Best Times for Fishing or Hunting
Major Periods
5:49 AM - 8:19 AM5:59 PM - 8:29 PM
Minor Periods
12:15 AM - 1:45 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 27°F
Average Humidity: 89%
Wind: 11.9 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 20.21 μg/m3
Sulphur Dioxide: 5.41 μg/m3
Ozone: 44.72 μg/m3
Astronomical
Sun Transit: 11:42 AM
Sunset: 4:21 PM
Daylight: 9 hrs 18 mins
Moon Transit: 8:12 PM
Moonset: 12:25 AM
Moon Phase: First Quarter
Moon Illumination: 68.7%
Best Times for Fishing or Hunting
Major Periods
7:42 PM - 10:12 PM7:42 PM - 10:12 PM
Minor Periods
12:36 AM - 2:06 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 26.5°F
Average Humidity: 92%
Wind: 18.8 mph
UV Index: 0.3
Air Quality
Nitrogen Dioxide: 10.14 μg/m3
Sulphur Dioxide: 3.91 μg/m3
Ozone: 64.64 μg/m3
Astronomical
Sun Transit: 11:42 AM
Sunset: 4:21 PM
Daylight: 9 hrs 17 mins
Moon Transit: 8:03 PM
Moonset: 1:38 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 78.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM7:33 PM - 10:03 PM
Minor Periods
12:57 AM - 2:27 PM1:08 AM - 2:38 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 12.6°F
Average Humidity: 92%
Wind: 6.9 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 6.53 μg/m3
Sulphur Dioxide: 1.52 μg/m3
Ozone: 72.6 μg/m3
Astronomical
Sun Transit: 11:42 AM
Sunset: 4:21 PM
Daylight: 9 hrs 16 mins
Moon Transit: 8:54 PM
Moonset: 2:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 87.1%
Best Times for Fishing or Hunting
Major Periods
8:11 AM - 10:41 AM8:24 PM - 10:54 PM
Minor Periods
1:21 PM - 2:51 PM2:24 AM - 3:54 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 6.7°F
Average Humidity: 94%
Wind: 7.2 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 10.25 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 63.46 μg/m3
Astronomical
Sun Transit: 11:43 AM
Sunset: 4:20 PM
Daylight: 9 hrs 14 mins
Moon Transit: 9:51 PM
Moonset: 4:14 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.7%
Best Times for Fishing or Hunting
Major Periods
9:05 AM - 11:35 AM9:21 PM - 11:51 PM
Minor Periods
1:50 PM - 3:20 PM3:44 AM - 5:14 AM
Action Rating: 2 out of 5