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Blairstown, Iowa Weather

Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →

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

Blairstown, IA
Saturday, July 4 at 10:15 PM
72
°
Overcast
Feels like
78°
Humidity
90%
Wind
4 mph
Sunrise
12:38 AM
Sunset
3:46 PM
Blairstown, IA
Hour by hour · 24h
24-Hour ForecastBlairstown, IA: 24-hour forecast. Temperatures range from 66 to 84 degrees Fahrenheit.
L 66°H 84°
Blairstown, IA
7-day forecast
  1. Today
    Jul 4
    Heavy Rain
    74%
    1.0″
    84°66°
  2. Sunday
    Jul 5
    Overcast
    11%
    84°66°
  3. Monday
    Jul 6
    Clear
    86°67°+2°
  4. Tuesday
    Jul 7
    Overcast
    82°65°-4°
  5. Wednesday
    Jul 8
    T-storm w/ Hail
    40%
    85°66°+3°
  6. Thursday
    Jul 9
    Light Showers
    58%
    0.01″
    74°64°-11°
  7. Friday
    Jul 10
    Overcast
    15%
    79°65°+5°
Blairstown, IA
Anemometer · 24h winds · from true
NESW
From · True
NW
305° · veering 176°
Direction
NW
305°
Sustained
4
mph
Gust
10
mph
Peak 24h
28
avg 6
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 6 · pk 28 @ 6:00a
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 134SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 176° from the nw.
Blairstown, IA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
983.8
+0.2 mb in 3h · steady · 29.05 inHg
Now
983.8
mb
3h
+0.2
mb
12h
-1.9
mb
24h
-1.0
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 981987
9759809859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW986.6981.1983.7
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Blairstown, IA
Air quality
42
AQI
Good
+9 in 6h

AQI 42 (Good), driven by Ozone. AQI up 9 over the last 6 hours (gradual rise). Ozone at AQI 33 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 8 around 1 PM.

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

PM 2.5Good
3.7μg/m³
PM 10Good
4μg/m³
NO₂Good
5μg/m³
OzoneDRIVERModerate
70μg/m³
UV IndexLow
0.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 33 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 8 around 1 PM.

Present
AQI 33
UV peak
0.0 at 1 PM
Sky at peak
clear
Projected peak
AQI 8
Blairstown, IA
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
28.1mi
UNLIMITED
59 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
03:15 UTC · Blairstown, 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
03:15 UTC · Blairstown, IA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Blairstown, IA
Satellite · infrared · animated
Blairstown, IA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Blairstown, IA
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:05 AM
Sunrise
12:38 AM
Daylight
15h 08m
Sunset
3:46 PM
Civil dusk
9:22 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Blairstown, IA
The moon
Waning Gibbous
76% illuminated
Moonrise
11:28 PM
Moonset
11:20 AM
In sign
♓︎ Pisces
Blairstown, IA
Microseason
Jul 1–5

Cicadas claim the afternoon

weather
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Blairstown at a glance

  • Today vs. normal: 72°F — typical for the season
  • Last frost: April 27 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 52209

16-Day Forecast — Blairstown

  1. Sat84°66°74%
  2. Sun84°66°11%
  3. Mon86°67°4%
  4. Tue82°65°3%
  5. Wed85°66°40%
  6. Thu74°64°58%
  7. Fri79°65°15%
  8. Sat75°64°7%
  9. Sun75°56°6%
  10. Mon81°59°7%
  11. Tue85°67°4%
  12. Wed85°66°21%
  13. Thu84°68°16%
  14. Fri87°73°19%
  15. Sat89°76°26%
  16. Sun81°62°17%

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

Right now in the garden

Peak growing season

As of July 5, 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 — Blairstown

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

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWTSTMGeneral Thunderstorms
  • 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 Blairstown

  • 52209

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.