Story County, Iowa, United States

Last updated: 5:06 PM CDT · Refresh

28°C

Feels like 31°

Mostly Cloudy

▲ 29° / ▼ 19°

Wind

5 mph NW

Humidity

72%

Dew Point

22°

Pressure

28.94 inHg

Visibility

10 mi

UV Index

5.9

Cloud Cover

62%

Sunrise

5:43 AM

Sunset

8:52 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Story County is currently mostly cloudy at 28°C. Precipitation is likely — peak probability 61% around 1 AM. Atmospheric instability is elevated (CAPE up to 2883 J/kg) — isolated convective development possible. Sunrise: 5:43AM · Sunset: 8:52PM.

42 AQI · Good Dominant: O3 Air Quality

Hourly Forecast · Next 24 Hours

Now

28°

37%

6 PM

29°

48%

7 PM

28°

34%

8 PM

27°

38%

9 PM

26°

37%

10 PM

24°

43%

11 PM

23°

51%

12 AM

23°

55%

1 AM

22°

60%

2 AM

22°

44%

3 AM

21°

49%

4 AM

21°

33%

5 AM

21°

34%

6 AM

19°

43%

7 AM

20°

48%

8 AM

21°

55%

9 AM

22°

43%

10 AM

23°

43%

11 AM

24°

43%

12 PM

26°

44%

1 PM

27°

47%

2 PM

26°

51%

3 PM

26°

55%

4 PM

27°

49%

7-Day Forecast

Today

29° 19°

Mostly Cloudy with a 51% chance of rain.

Sun

28° 19°

Partly Cloudy with a 55% chance of rain.

Mon

27° 18°

Clear with a 26% chance of rain.

Tue

28° 19°

Partly Cloudy.

Wed

28° 19°

Rain, 82% chance.

Thu

26° 18°

Drizzle, 51% chance.

Fri

26° 18°

Partly Cloudy with a 28% chance of rain.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 28° Mostly Cloudy 37% 5 mph NW 72%

6 PM 29° Mostly Cloudy 48% 3 mph NNW 73%

7 PM 28° Mostly Cloudy 34% 2 mph NE 74%

8 PM 27° Mostly Cloudy 38% 2 mph ESE 78%

9 PM 26° Mostly Cloudy 37% 2 mph E 81%

10 PM 24° Mostly Cloudy 43% 3 mph ESE 84%

11 PM 23° Mostly Cloudy 51% 3 mph ESE 87%

12 AM 23° Mostly Cloudy 55% 4 mph NNW 91%

1 AM 22° Mostly Cloudy 60% 4 mph NNE 93%

2 AM 22° Mostly Cloudy 44% 3 mph NNE 93%

3 AM 21° Mostly Cloudy 49% 3 mph N 93%

4 AM 21° Mostly Cloudy 33% 4 mph N 93%

5 AM 21° Partly Cloudy 34% 4 mph NNE 93%

6 AM 19° Partly Cloudy 43% 4 mph NNE 94%

7 AM 20° Fog 48% 4 mph NE 95%

8 AM 21° Partly Cloudy 55% 5 mph NE 91%

9 AM 22° Partly Cloudy 43% 5 mph NE 88%

10 AM 23° Partly Cloudy 43% 6 mph NE 86%

11 AM 24° Partly Cloudy 43% 5 mph NE 83%

12 PM 26° Partly Cloudy 44% 5 mph NE 80%

1 PM 27° Partly Cloudy 47% 5 mph NE 78%

2 PM 26° Partly Cloudy 51% 5 mph NE 76%

3 PM 26° Partly Cloudy 55% 5 mph NE 75%

4 PM 27° Partly Cloudy 49% 6 mph NE 74%

15-Day Forecast

Today

7/4

Mostly Cloudy

51%

19°

29°

Sun

7/5

Partly Cloudy

55%

19°

28°

Mon

7/6

Clear

26%

18°

27°

Tue

7/7

Partly Cloudy

19%

19°

28°

Wed

7/8

Rain

82%

19°

28°

Thu

7/9

Drizzle

51%

18°

26°

Fri

7/10

Partly Cloudy

28%

18°

26°

Sat

7/11

Clear

42%

17°

27°

Sun

7/12

Clear

43%

16°

26°

Mon

7/13

Mostly Cloudy

44%

16°

27°

Tue

7/14

Mostly Clear

25%

17°

27°

Wed

7/15

Drizzle

60%

17°

26°

Thu

7/16

Drizzle

60%

17°

25°

Fri

7/17

Drizzle

60%

16°

26°

Sat

7/18

Drizzle

60%

17°

27°

Good

U.S. Air Quality Index · Dominant: O3

50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today

PM_2.5

Fine particulate matter

24 AQI 4.5 µg/m³

O₃

Ground-level ozone

Dominant

42 AQI 46 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Sun 42 Good 42 24

Mon 34 Good 34 29

Tue 44 Good 33 44

About the Air Quality Index

0–50 Good

51–100 Moderate

101–150 Unhealthy for Sensitive Groups

151–200 Unhealthy

201–300 Very Unhealthy

301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM_2.5 (fine particles) is reported in µg/m³ and ozone (O₃) in ppb. Forecast source: NWS NAQFC.

Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio

RAP

Valid Sat Jul 4, 20:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE2729 J/kg

MLCAPE2121 J/kg

MUCAPE2729 J/kg

SBCIN0 J/kg

MLCIN0 J/kg

Lifted Index-7.0

Kinematics

0–6 km Shear6 kt

0–1 km Shear4 kt

Eff. Shear7 kt

0–1 km SRH-16

0–3 km SRH-15

Eff. SRH-15

Storm Motion241° @ 15 kt

0–1 km EHI-0.3

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell0.0

K-Index32.2

Thermo & Levels

PWAT1.78 in

0–3 km LR6.9 °C/km

700–500 LR6.2 °C/km

Total Totals49.4

LCL897 hPa

LFC980 hPa

EL173 hPa

Freezing Lvl13,192 ft

Story County, Iowa, United States

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