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

Shelby, Iowa Weather

Lesser ripening, greater heat. Day 89 of spring. Read this microseason across nine climate regions →

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

Shelby, IA
Tuesday, June 16 at 3:59 PM
74
°
Overcast
Feels like
72°
Humidity
34%
Wind
8 mph
Sunrise
12:47 AM
Sunset
3:57 PM
Shelby, IA
Hour by hour · 24h
24-Hour ForecastShelby, IA: 24-hour forecast. Temperatures range from 62 to 82 degrees Fahrenheit.
L 62°H 82°
Shelby, IA
7-day forecast
  1. Today
    Jun 16
    Overcast
    74°57°
  2. Wednesday
    Jun 17
    Overcast
    17%
    82°61°+8°
  3. Thursday
    Jun 18
    Overcast
    73°56°-9°
  4. Friday
    Jun 19
    Overcast
    74°54°+1°
  5. Saturday
    Jun 20
    Light Rain
    52%
    0.13″
    72°61°-2°
  6. Sunday
    Jun 21
    Heavy Drizzle
    67%
    0.06″
    70°61°-2°
  7. Monday
    Jun 22
    Overcast
    19%
    72°54°+2°
Shelby, IA
Anemometer · 24h winds · from true
NESW
From · True
WNW
285° · veering 41°
Direction
WNW
285°
Sustained
8
mph
Gust
14
mph
Peak 24h
26
avg 9
Beaufort · 3 · GENTLE 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 9 · pk 26 @ 8:00a
010203040MPHB1B2B3B4B5B6B7B8-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 4121SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 41° from the wnw.
Shelby, IA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
961.1
-1.8 mb in 3h · falling · 28.38 inHg
Now
961.1
mb
3h
-1.8
mb
12h
-0.3
mb
24h
-4.9
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 961967
955960965970975-21h-18h-15h-12h-9h-6h-3h-24hNOW966.8961.9961.9
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
Shelby, IA
Air quality
37
AQI
Good
+11 in 6hPeak ~44 @ 11 PM

AQI 37 (Good), driven by Ozone. AQI up 11 over the last 6 hours (gradual rise). Ozone at AQI 48 — peak already passed at 1 PM under clear skies. Levels should ease through evening.

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

PM 2.5Good
4.1μg/m³
PM 10Good
5μg/m³
NO₂Good
1μg/m³
OzoneDRIVERUnhealthy SG
102μg/m³
UV IndexHigh
7.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 48 — peak already passed at 1 PM under clear skies. Levels should ease through evening.

Present
AQI 48
UV peak
6.6 at earlier today
Sky at peak
clear
Projected peak
AQI 48
Shelby, IA
Sky cover · visibility · 24h
Cloud cover
99%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
112.3mi
UNLIMITED
130 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
20:59 UTC · Shelby, IA · 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
20:59 UTC · Shelby, IA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Shelby, IA
Satellite · infrared · animated
Shelby, IA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Shelby, IA
Almanac · Tuesday, June 16
Cut your thistles before St. John, you will have two instead of one.
Civil dawn
5:14 AM
Sunrise
12:47 AM
Daylight
15h 10m
Sunset
3:57 PM
Civil dusk
9:32 PM
Planting note
Stake and prune tomato suckers. Watch for squash vine borers.
Shelby, IA
The moon
Waxing Crescent
5% illuminated
Moonrise
7:00 AM
Moonset
10:16 PM
In sign
♋︎ Cancer
Shelby, IA
Microseason
Jun 16–20

Lesser ripening, greater heat

weather
Jan 146% of the yearDec 31

Read this microseason across nine climate regions →

Shelby at a glance

  • Today vs. normal: 74°F — typical for the season
  • Last frost: April 25 (climatological average for this latitude)
  • Microseason: Jun 16–20
  • Planting window: Stake and prune tomato suckers. Watch for squash vine borers.

16-Day Forecast — Shelby

  1. Tue75°57°7%
  2. Wed82°61°17%
  3. Thu73°56°1%
  4. Fri74°54°4%
  5. Sat72°61°52%
  6. Sun70°61°67%
  7. Mon72°54°19%
  8. Tue76°62°9%
  9. Wed79°61°15%
  10. Thu83°62°21%
  11. Fri89°71°21%
  12. Sat91°71°28%
  13. Sun91°71°32%
  14. Mon87°72°40%
  15. Tue89°72°32%
  16. Wed81°70°27%

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

Right now in the garden

Peak growing season

As of June 16, 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 — Shelby

SPC has placed Shelby in the General Thunderstorms category for severe thunderstorms today.

  • 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 Shelby

  • 51570

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.