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

Mount Ayr, Indiana Weather

Fireflies pulse through the magnolias. Day 77 of spring. Read this microseason across nine climate regions →

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

Mount Ayr, IN
Thursday, June 4 at 7:19 PM
84
°
Clear
Feels like
82°
Humidity
34%
Wind
14 mph
Sunrise
5:18 AM
Sunset
8:17 PM
Mount Ayr, IN
Hour by hour · 24h
24-Hour ForecastMount Ayr, IN: 24-hour forecast. Temperatures range from 66 to 85 degrees Fahrenheit.
L 66°H 85°
Mount Ayr, IN
7-day forecast
  1. Today
    Jun 4
    Overcast
    85°57°
  2. Friday
    Jun 5
    Heavy Showers
    40%
    0.37″
    85°66°
  3. Saturday
    Jun 6
    Light Showers
    70%
    83°69°-2°
  4. Sunday
    Jun 7
    Showers
    48%
    83°68°
  5. Monday
    Jun 8
    Light Showers
    32%
    0.11″
    74°68°-9°
  6. Tuesday
    Jun 9
    Light Showers
    40%
    85°68°+11°
  7. Wednesday
    Jun 10
    Light Showers
    25%
    0.07″
    87°69°+2°
Mount Ayr, IN
Anemometer · 24h winds · from true
NESW
From · True
SSW
201° · veering 50°
Direction
SSW
201°
Sustained
14
mph
Gust
17
mph
Peak 24h
20
avg 8
Beaufort · 4 · MOD 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 8 · pk 20 @ 7:00p
010203040MPHB1B2B3B4B5B6B7B8-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 3321SUSTGUST
−24h−18h−12h−6hnow
A fresh breeze drives the ssw-bound air across the harbor.
Mount Ayr, IN
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
992.5
-1.3 mb in 3h · falling · 29.31 inHg
Now
992.5
mb
3h
-1.3
mb
12h
-5.0
mb
24h
-5.0
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 991996
9859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW996.4991.0991.0
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
Mount Ayr, IN
Air quality
44
AQI
Moderate
+17 in 6hPeak ~84 @ 11 PM

Ozone at AQI 91 now. AQI up 17 in the last 6 hours — air quality is degrading. With UV 7.6 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 92 by mid-afternoon.

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

PM 2.5Good
4.9μg/m³
PM 10Good
6μg/m³
NO₂Good
1μg/m³
OzoneDRIVERUnhealthy SG
132μg/m³
UV IndexVery high
7.6

What's driving it

Ozone × UV × Sky

Ozone at AQI 91 now. With UV 7.6 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 92 by mid-afternoon.

Present
AQI 91
UV peak
7.6 at 1 PM
Sky at peak
clear
Projected peak
AQI 92

PM × Wind × Precip

PM2.5 at 4.9 µg/m³, PM10 at 6.2 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.79
Wind
breezy
Recent rain
0h in last 6h
Pattern
background
Mount Ayr, IN
Sky cover · visibility · 24h
Cloud cover
4%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
109.3mi
UNLIMITED
122 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
19:19 UTC ·Mount Ayr, IN · NOAA NESDIS / STAR · 21696x21696 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
19:19 UTC ·Mount Ayr, IN · NOAA NESDIS / STAR · 5-min cadence · 10000x6000 px
Mount Ayr, IN
Satellite · infrared · animated
Mount Ayr, IN
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Mount Ayr, IN
Almanac · Thursday, June 4
A summer fog for fair, a winter fog for rain.
Civil dawn
9:46 AM
Sunrise
5:18 AM
Daylight
14h 59m
Sunset
8:17 PM
Civil dusk
1:51 AM
Planting note
Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Mount Ayr, IN
The moon
Waning Gibbous
83% illuminated
Moonrise
4:21 AM
Moonset
1:48 PM
In sign
♒︎ Aquarius
Mount Ayr, IN
Microseason
Jun 1–5

Fireflies pulse through the magnolias

plant
Jan 142% of the yearDec 31

Read this microseason across nine climate regions →

Mount Ayr at a glance

  • Today vs. normal: 10°F above the seasonal normal for this latitude
  • Last frost: April 22 (climatological average for this latitude)
  • Microseason: Jun 1–5
  • Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.

Right now in the garden

Peak growing season

As of June 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 — Mount Ayr

SPC has placed Mount Ayr in the Marginal Risk category for severe thunderstorms tomorrow.

  • TODAYNONENo severe risk
  • TOMORROWMRGLMarginal Risk
  • DAY 3MRGLMarginal Risk

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 Mount Ayr

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.