Weather StoryAlmanac, microseasons, and the day's weather story.

Post Lake, Wisconsin Weather

Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →

Post Lake weather forecast — hour by hour, 7-day outlook, NOAA radar

Post Lake, WI
Saturday, July 4 at 2:51 PM
81
°
Clear
Feels like
84°
Humidity
41%
Wind
5 mph
Sunrise
12:13 AM
Sunset
3:47 PM
Post Lake, WI
Hour by hour · 24h
24-Hour ForecastPost Lake, WI: 24-hour forecast. Temperatures range from 59 to 83 degrees Fahrenheit.
L 59°H 83°
Post Lake, WI
7-day forecast
  1. Today
    Jul 4
    Overcast
    17%
    83°62°
  2. Sunday
    Jul 5
    Overcast
    83°59°
  3. Monday
    Jul 6
    Clear
    84°57°+1°
  4. Tuesday
    Jul 7
    Thunderstorm
    16%
    84°62°
  5. Wednesday
    Jul 8
    Showers
    62%
    0.09″
    69°63°-15°
  6. Thursday
    Jul 9
    Light Drizzle
    62%
    0.02″
    82°60°+13°
  7. Friday
    Jul 10
    Drizzle
    13%
    0.13″
    63°54°-19°
Post Lake, WI
Anemometer · 24h winds · from true
NESW
From · True
ENE
060° · backing 153°
Direction
ENE
060°
Sustained
5
mph
Gust
6
mph
Peak 24h
14
avg 4
Beaufort · 2 · LIGHT BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 4 · pk 14 @ 9:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 144SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Post Lake, WI
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
963.9
-0.7 mb in 3h · falling · 28.46 inHg
Now
963.9
mb
3h
-0.7
mb
12h
+2.0
mb
24h
+1.7
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 961965
955960965970-21h-18h-15h-12h-9h-6h-3h-24hNOW964.7961.2963.5
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Post Lake, WI
Air quality
34
AQI
Good
-7 in 6h

AQI 34 (Good), driven by Ozone. AQI down 7 over the last 6 hours (gradual decline). Ozone at AQI 34 now. With UV 7.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 33 around 1 PM.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5Good
5.4μg/m³
PM 10Good
6μg/m³
NO₂Good
0μg/m³
OzoneDRIVERModerate
72μg/m³
UV IndexVery high
7.2

What's driving it

Ozone × UV × Sky

Ozone at AQI 34 now. With UV 7.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 33 around 1 PM.

Present
AQI 34
UV peak
7.2 at 1 PM
Sky at peak
clear
Projected peak
AQI 33

PM × Wind × Precip

PM2.5 at 5.4 µg/m³ (AQI 30) with a 0.95 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.95
Wind
light
Recent rain
0h in last 6h
Pattern
stagnant smoke
Post Lake, WI
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
89.1mi
UNLIMITED
87 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
19:51 UTC · Post Lake, WI · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
19:51 UTC · Post Lake, WI · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Post Lake, WI
Satellite · infrared · animated
Post Lake, WI
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Post Lake, WI
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
4:37 AM
Sunrise
12:13 AM
Daylight
15h 34m
Sunset
3:47 PM
Civil dusk
9:26 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Post Lake, WI
The moon
Waning Gibbous
79% illuminated
Moonrise
10:59 PM
Moonset
9:56 AM
In sign
♓︎ Pisces
Post Lake, WI
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Post Lake at a glance

  • Today vs. normal: 15°F above the seasonal normal for this latitude
  • Last frost: May 19 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

16-Day Forecast — Post Lake

  1. Sat83°62°17%
  2. Sun83°60°4%
  3. Mon84°57°1%
  4. Tue84°62°16%
  5. Wed69°63°62%
  6. Thu82°60°62%
  7. Fri63°54°13%
  8. Sat76°52°14%
  9. Sun80°52°14%
  10. Mon79°49°9%
  11. Tue83°58°9%
  12. Wed81°63°13%
  13. Thu79°61°19%
  14. Fri79°59°23%
  15. Sat69°51°27%
  16. Sun81°46°20%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

SPC Convective Outlook

Storm Prediction Center — Post Lake

SPC includes Post Lake in the general thunderstorm area today — no severe risk, but storms are possible.

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWNONENo severe risk
  • DAY 3NONENo severe risk

Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.

Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.

ZIP codes in Post Lake

  • 54428

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.