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Now · 5:19 AM

Prairie du Sac Weather & Hourly Forecast

United States · Wisconsin · 53578

Overcast night
57°F
Overcast night
Feels like: 58°F
💧 Humidity 96% 🌡 Pressure 30.30 inHg 💨 Wind 3 mph 👁 Visibility 11.9 mi ☁ Clouds 100% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:48 AM 🌇 Sunset 6:52 PM

Hourly Forecast for Prairie du Sac

Today
Overcast night · 6:00 AM Overcast night
57° 💧 0.000 in 💨 3 mph H 96%30.30 inHg
Overcast · 9:00 AM Overcast
58° 💧 None 💨 4 mph H 94%30.33 inHg
Mostly cloudy · 12:00 PM Mostly cloudy
67° 💧 0.002 in 💨 5 mph H 71%30.33 inHg
Overcast · 3:00 PM Overcast
68° 💧 0.000 in 💨 6 mph H 67%30.27 inHg
Overcast · 6:00 PM Overcast
66° 💧 None 💨 5 mph H 76%30.24 inHg
Overcast night · 9:00 PM Overcast night
60° 💧 None 💨 7 mph H 83%30.24 inHg
Tomorrow
Partly cloudy night · 12:00 AM Partly cloudy night
55° 💧 None 💨 5 mph H 88%30.24 inHg
Clear night · 3:00 AM Clear night
52° 💧 None 💨 4 mph H 91%30.21 inHg
Partly cloudy night · 6:00 AM Partly cloudy night
50° 💧 None 💨 4 mph H 93%30.21 inHg
Overcast · 9:00 AM Overcast
57° 💧 None 💨 4 mph H 85%30.24 inHg
Mostly cloudy · 12:00 PM Mostly cloudy
65° 💧 None 💨 8 mph H 64%30.21 inHg
Mostly cloudy · 3:00 PM Mostly cloudy
67° 💧 None 💨 7 mph H 62%30.12 inHg
Overcast · 6:00 PM Overcast
64° 💧 None 💨 5 mph H 73%30.09 inHg
Mostly cloudy night · 9:00 PM Mostly cloudy night
58° 💧 None 💨 7 mph H 86%30.09 inHg
Sunday
Overcast night · 12:00 AM Overcast night
54° 💧 None 💨 4 mph H 91%30.12 inHg
Overcast night · 3:00 AM Overcast night
51° 💧 None 💨 3 mph H 94%30.09 inHg

In Prairie du Sac and, more broadly, across the state of Wisconsin: This morning will begin with mostly cloudy skies and cool temperatures ranging from 49 to 58 degrees Fahrenheit. The wind will be coming from the east at a moderate pace, reaching up to 12 mph, with gusts that could hit around 25 mph. As the day progresses into the afternoon, skies will remain mostly cloudy, but no precipitation is expected, keeping conditions dry. Temperatures are expected to stay steady within the same cool range, with wind speeds continuing from the east at similar levels. Overall, it will be a cool and breezy day with mostly cloudy skies and no significant weather concerns.

15-Day Weather Outlook for Prairie du Sac

TomorrowTomorrow Mostly cloudy Mostly cloudy 68°/50° 💧 None 💨 8 mph
Sunday, Sep 27Sun Sep 27 Mostly sunny Mostly sunny 56°/52° 💧 None 💨 5 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Prairie du Sac

Vertical axis: °F · Color based on temperature
Overcast night at 6:00 AM
57° Today 6:00 AM
Overcast at 7:00 AM
57° 7:00 AM
Overcast at 8:00 AM
57° 8:00 AM
Overcast at 9:00 AM
58° 9:00 AM
Overcast at 10:00 AM
60° Today 10:00 AM
Overcast at 11:00 AM
63° 11:00 AM
Mostly cloudy at 12:00 PM
67° 12:00 PM
Overcast at 1:00 PM
68° 1:00 PM
Mostly cloudy at 2:00 PM
68° Today 2:00 PM
Overcast at 3:00 PM
68° 3:00 PM
Overcast at 4:00 PM
68° 4:00 PM
Overcast at 5:00 PM
67° 5:00 PM
Overcast at 6:00 PM
66° Today 6:00 PM
Mostly cloudy night at 7:00 PM
63° 7:00 PM
Mostly cloudy night at 8:00 PM
62° 8:00 PM
Overcast night at 9:00 PM
60° 9:00 PM
Mostly cloudy night at 10:00 PM
58° Today 10:00 PM
Mostly cloudy night at 11:00 PM
56° 11:00 PM
Partly cloudy night at 12:00 AM
55° 12:00 AM
Clear night at 1:00 AM
53° 1:00 AM
Clear night at 2:00 AM
52° Tomorrow 2:00 AM
Clear night at 3:00 AM
52° 3:00 AM
Mostly clear night at 4:00 AM
51° 4:00 AM
Mostly clear night at 5:00 AM
50° 5:00 AM
Partly cloudy night at 6:00 AM
50° Tomorrow 6:00 AM
Mostly cloudy at 7:00 AM
50° 7:00 AM
Overcast at 8:00 AM
53° 8:00 AM
Overcast at 9:00 AM
57° 9:00 AM
Overcast at 10:00 AM
61° Tomorrow 10:00 AM
Overcast at 11:00 AM
64° 11:00 AM
Mostly cloudy at 12:00 PM
65° 12:00 PM
Overcast at 1:00 PM
66° 1:00 PM
Overcast at 2:00 PM
67° Tomorrow 2:00 PM
Mostly cloudy at 3:00 PM
67° 3:00 PM
Overcast at 4:00 PM
67° 4:00 PM
Overcast at 5:00 PM
66° 5:00 PM
Overcast at 6:00 PM
64° Tomorrow 6:00 PM
Overcast night at 7:00 PM
60° 7:00 PM
Mostly cloudy night at 8:00 PM
59° 8:00 PM
Mostly cloudy night at 9:00 PM
58° 9:00 PM
Mostly cloudy night at 10:00 PM
57° Tomorrow 10:00 PM
Mostly cloudy night at 11:00 PM
55° 11:00 PM
Overcast night at 12:00 AM
54° 12:00 AM
Overcast night at 1:00 AM
53° 1:00 AM
Mostly cloudy night at 2:00 AM
52° Sunday 2:00 AM
Overcast night at 3:00 AM
51° 3:00 AM
Mostly cloudy night at 4:00 AM
51° 4:00 AM
Overcast night at 5:00 AM
50° 5:00 AM
Overcast night at 6:00 AM
51° Sunday 6:00 AM
Overcast at 7:00 AM
51° 7:00 AM
Mostly cloudy at 8:00 AM
54° 8:00 AM
Mostly cloudy at 9:00 AM
57° 9:00 AM
Mostly cloudy at 10:00 AM
61° Sunday 10:00 AM
Partly cloudy at 11:00 AM
64° 11:00 AM
Mostly cloudy at 12:00 PM
66° 12:00 PM
Mostly cloudy at 1:00 PM
68° 1:00 PM
Mostly cloudy at 2:00 PM
69° Sunday 2:00 PM
Mostly cloudy at 3:00 PM
69° 3:00 PM
Mostly cloudy at 4:00 PM
69° 4:00 PM
Mostly cloudy at 5:00 PM
68° 5:00 PM
Mostly sunny at 6:00 PM
67° Sunday 6:00 PM
Mostly clear night at 7:00 PM
63° 7:00 PM

AIR QUALITY FORECAST

Air Quality Forecast for Prairie du Sac

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 6:00 AM
PM2.5 Fine particles Fair 13,6µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 14,6µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 41,9µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 4,4µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Prairie du Sac

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.
0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme
Today UV 2,9Low 🙂Fair
Tomorrow UV 3,6Moderate 😐Moderate
Sunday UV 3,4Moderate 🙂Fair
Hourly UV index today
7:00 AMUV 0,0 8:00 AMUV 0,1 9:00 AMUV 0,4 10:00 AMUV 1,2 11:00 AMUV 1,7 12:00 PMUV 2,9 1:00 PMUV 2,9 2:00 PMUV 2,3 3:00 PMUV 2,4 4:00 PMUV 1,7 5:00 PMUV 0,8 6:00 PMUV 0,4
Today's weather health advice Open today's recommendations.

Low UV risk

UV radiation will be low, although basic protection is still advisable during prolonged exposure.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Prairie du Sac

Vertical axis: mph · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in mph. Today 6:00 AM 7:00 AM 8:00 AM 9:00 AM Today 10:00 AM 11:00 AM 12:00 PM 1:00 PM Today 2:00 PM 3:00 PM 4:00 PM 5:00 PM Today 6:00 PM 7:00 PM 8:00 PM 9:00 PM Today 10:00 PM 11:00 PM 12:00 AM 1:00 AM Tomorrow 2:00 AM 3:00 AM 4:00 AM 5:00 AM Tomorrow 6:00 AM 7:00 AM 8:00 AM 9:00 AM Tomorrow 10:00 AM 11:00 AM 12:00 PM 1:00 PM Tomorrow 2:00 PM 3:00 PM 4:00 PM 5:00 PM Tomorrow 6:00 PM 7:00 PM 8:00 PM 9:00 PM Tomorrow 10:00 PM 11:00 PM 12:00 AM 1:00 AM Sunday 2:00 AM 3:00 AM 4:00 AM 5:00 AM Sunday 6:00 AM 7:00 AM 8:00 AM 9:00 AM Sunday 10:00 AM 11:00 AM 12:00 PM 1:00 PM Sunday 2:00 PM 3:00 PM 4:00 PM 5:00 PM Sunday 6:00 PM 7:00 PM
Sustained wind Max gusts
NIGHT SKY · PRAIRIE DU SAC, WISCONSIN

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 2:00 AM–3:00 AM.

84/100Best-hour score
BEST TIME TONIGHT 2:00 AM–3:00 AM Astronomical darkness: 8:26 PM–5:15 AM
☁ Cloud cover 2% Real hourly forecast for the best viewing hour.
☾ Moonlight 100% Full Moon · Moon about 42° above the horizon at the best viewing hour.
☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 51° high at the best hour.
✦ Estimated visible meteors 0–2/hour Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min35%
UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.
SEP 20–NOV 20
Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak
ACTIVE NOW
OCT 2–NOV 7
OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak
UPCOMING
OCT 20–DEC 10
Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak
UPCOMING
NOV 6–NOV 30
LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak
UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

Forecast data for Prairie du Sac were last refreshed today at 5:19 AM. The current forecast period extends through 27/09/2026 at 3:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.