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WeatherLive › Wisconsin › Prairie du Sac

Prairie du Sac, WI Weather (53578)

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherPrairie du Sac · 11:22 PM CDT
34° | 19°
25°C
Feels like 27°
Mostly cloudy
WindSW 4 mph · Gusts 4 mph
Precip21% · 0.01 in
Humidity81% · Dew point 21°
UV index8 High
Air Quality29 Good
Pressure29.85 inHg
Visibility6 mi
Sunrise / Sunset6:22 AM · 7:36 PM · 13h 14m

Weather map — Prairie du Sac

Full radar →
Now
25°
24%
4 mph
00:00
24°
26%
3 mph
01:00
23°
28%
4 mph
02:00
23°
13%
2 mph
03:00
22°
16%
2 mph
04:00
22°
31%
2 mph
05:00
21°
22%
2 mph
06:00
22°
31%
1 mph
07:00
23°
30%
4 mph
08:00
25°
25%
2 mph
09:00
25°
21%
4 mph
10:00
27°
17%
6 mph
11:00
28°
16%
6 mph
12:00
29°
11%
4 mph
13:00
30°
12%
6 mph
14:00
31°
12%
7 mph
15:00
29°
15%
10 mph
16:00
27°
19%
4 mph
17:00
27°
19%
4 mph
18:00
28°
19%
4 mph
19:00
27°
20%
4 mph
20:00
27°
22%
4 mph
21:00
26°
27%
2 mph
22:00
25°
25%
2 mph

Today · Mon 8/31

High 34°
21% / 0.01 in

Mostly cloudy. Winds SW at 13 mph.

Tonight · Mon 8/31

Low 21°
26% / –

Mostly cloudy. Winds SW at 3 mph.

Tomorrow · Tue 9/1

31° | 21°
20% / –

Mostly cloudy. Winds NW at 10 mph.

7-day trend

Prairie du Sac · temperature + precipitation

10-day forecast

Updated 11:22 PM

Details & indices

Wind
4 mph SW
Gusts 4 mph
Humidity
81%
Dew point 21°
Pressure
29.85 inHg
Falling
UV index
8 — High
High today
Air Quality
Good
AQI 29 · US EPA
Allergy
None detected
—
Visibility
6 mi
Clear view
Allergy — Prairie du Sac

🌿 Conditions right now

View all →
Birch
None
Grass
None
Oak
None
Alder
None
Hazel
None
Mugwort
None
Ragweed
None

Sun & moon

Sunrise6:22 AM
Sunset7:36 PM
Length of day13h 14m
Moonrise8:54 PM
Moonset10:13 AM
Moon phase🌖 Waning Gibbous · 83%
Next full moonSep 26 Harvest Moon
Latitude43.2869°N
Longitude-89.7240°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Fair
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
Milwaukee
Mostly cloudy
27°
Madison
Mostly cloudy
25°
Data sources · Monday, August 31
Where the Prairie du Sac forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 43.2869°N, -89.7240°.
NBM + global weather models
Updated: 11:22 PM
Weather in Prairie du Sac
Prairie du Sac's outlook: warmest day near 34° (Monday), coldest night about 16° (Wednesday). Models drop roughly 0.60 in of precipitation across the stretch — watch Saturday (78%). Wind is the one to watch: gusts to 40 mph around Monday. No active NWS alerts at the moment — quiet on the hazards front. Right now Prairie du Sac is running about 54° warmer than Rockford. Longer view: four full seasons with serious winter and real summer heat.
Prairie du Sac, WI · Elev 774 ft · 43.29°N, 89.72°W · Wisconsin · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 11:22 PM