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

South Haven, Minnesota Weather

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

South Haven weather forecast — hour by hour, 7-day outlook, NOAA radar

South Haven, MN
Saturday, July 4 at 1:38 PM
83
°
Clear
Feels like
92°
Humidity
58%
Wind
2 mph
Sunrise
12:35 AM
Sunset
4:07 PM
South Haven, MN
Hour by hour · 24h
24-Hour ForecastSouth Haven, MN: 24-hour forecast. Temperatures range from 64 to 85 degrees Fahrenheit with a 40% chance of precipitation at 7 PM.
L 64°H 85°
South Haven, MN
7-day forecast
  1. Today
    Jul 4
    Heavy Drizzle
    40%
    0.05″
    85°65°
  2. Sunday
    Jul 5
    Overcast
    23%
    84°64°-1°
  3. Monday
    Jul 6
    Overcast
    24%
    84°65°
  4. Tuesday
    Jul 7
    T-storm w/ Hail
    24%
    0.86″
    85°67°+1°
  5. Wednesday
    Jul 8
    Heavy Showers
    60%
    1.4″
    75°65°-10°
  6. Thursday
    Jul 9
    Light Drizzle
    47%
    78°61°+3°
  7. Friday
    Jul 10
    Drizzle
    10%
    70°60°-8°
South Haven, MN
Anemometer · 24h winds · from true
NESW
From · True
ESE
112° · backing 144°
Direction
ESE
112°
Sustained
2
mph
Gust
3
mph
Peak 24h
16
avg 4
Beaufort · 1 · LIGHT AIR
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 16 @ 2:00a
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 252SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
South Haven, MN
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
976.6
+0.2 mb in 3h · steady · 28.84 inHg
Now
976.6
mb
3h
+0.2
mb
12h
+1.4
mb
24h
+1.3
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 974977
965970975980985-21h-18h-15h-12h-9h-6h-3h-24hNOW976.8973.9976.6
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
South Haven, MN
Air quality
51
AQI
Moderate
+1 in 6h

AQI 51 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 13.2 µg/m³ (AQI 59) with a 0.77 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.

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

PM 2.5DRIVERModerate
13.2μg/m³
PM 10Good
17μg/m³
NO₂Good
1μg/m³
OzoneUnhealthy SG
109μg/m³
UV IndexHigh
5.3

What's driving it

Ozone × UV × Sky

Ozone at AQI 53 now. With UV 5.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 37 around 1 PM.

Present
AQI 53
UV peak
5.3 at 1 PM
Sky at peak
clear
Projected peak
AQI 37

PM × Wind × Precip

PM2.5 at 13.2 µg/m³ (AQI 59) with a 0.77 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.77
Wind
calm
Recent rain
0h in last 6h
Pattern
stagnant smoke
South Haven, MN
Sky cover · visibility · 24h
Cloud cover
12%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
64.4mi
UNLIMITED
70 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
18:38 UTC · South Haven, MN · 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
18:38 UTC · South Haven, MN · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
South Haven, MN
Satellite · infrared · animated
South Haven, MN
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
South Haven, MN
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
4:58 AM
Sunrise
12:35 AM
Daylight
15h 32m
Sunset
4:07 PM
Civil dusk
9:46 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
South Haven, MN
The moon
Waning Gibbous
79% illuminated
Moonrise
11:20 PM
Moonset
10:17 AM
In sign
♓︎ Pisces
South Haven, MN
Microseason
Jul 1–5

Cicadas claim the afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

South Haven at a glance

  • Today vs. normal: 17°F above the seasonal normal for this latitude
  • Last frost: May 18 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 55382

16-Day Forecast — South Haven

  1. Sat84°65°40%
  2. Sun84°64°23%
  3. Mon84°65°24%
  4. Tue85°67°24%
  5. Wed75°65°60%
  6. Thu78°61°47%
  7. Fri70°60°10%
  8. Sat76°57°15%
  9. Sun77°56°16%
  10. Mon79°59°10%
  11. Tue82°64°5%
  12. Wed83°65°13%
  13. Thu80°66°10%
  14. Fri73°60°25%
  15. Sat68°59°26%
  16. Sun79°58°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 — South Haven

SPC has placed South Haven in the Marginal Risk category for severe thunderstorms today.

  • TODAYMRGLMarginal Risk
  • TOMORROWNONENo severe risk
  • DAY 3TSTMGeneral Thunderstorms

Isolated severe storms possible. Limited threat for hail or damaging wind.

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 South Haven

  • 55382

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.