Areal Flood Warning — Boone County, IA, Jasper County, IA, Marshall County, IA, Polk County, IA, Story County, IA 6:15 PM Flood Watch 7:00 PM Flood Warning — Jasper County, IA, Marion County, IA, Polk County, IA, Story County, IA, Black Hawk County, IA 3:15 AM Flood Watch 7:00 PM

Jasper County, Iowa, United States

Last updated: 5:07 PM CDT  ·  Refresh
28°C
Feels like 31°
Partly Cloudy
▲ 29°  /  ▼ 19°
Wind
4 mph NW
Humidity
67%
Dew Point
21°
Pressure
29.04 inHg
Visibility
10 mi
UV Index
6.0
Cloud Cover
59%
Sunrise
5:43 AM
Sunset
8:49 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Jasper County is currently partly cloudy at 28°C. Precipitation is likely — peak probability 63% around 12 PM. Atmospheric instability is elevated (CAPE up to 2386 J/kg) — isolated convective development possible. Sunrise: 5:43AM · Sunset: 8:49PM.

Alerts

Areal Flood Warning
Boone County, IA, Jasper County, IA, Marshall County, IA, Polk County, IA, Story County, IA
Expires 6:15 PM
Flood Watch
Expires 7:00 PM
Flood Warning
Jasper County, IA, Marion County, IA, Polk County, IA, Story County, IA, Black Hawk County, IA
Expires 3:15 AM
Flood Watch
Expires 7:00 PM
40 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
21%
6 PM
29°
38%
7 PM
28°
38%
8 PM
27°
44%
9 PM
26°
44%
10 PM
24°
43%
11 PM
23°
46%
12 AM
23°
51%
1 AM
22°
49%
2 AM
22°
56%
3 AM
21°
56%
4 AM
21°
37%
5 AM
21°
38%
6 AM
19°
35%
7 AM
20°
38%
8 AM
21°
50%
9 AM
22°
50%
10 AM
23°
54%
11 AM
24°
59%
12 PM
26°
63%
1 PM
27°
55%
2 PM
27°
55%
3 PM
27°
51%
4 PM
27°
57%
7-Day Forecast
Today
29° 19°
Mostly Cloudy with a 46% chance of rain.
Sun
29° 19°
Partly Cloudy with a 59% chance of rain.
Mon
28° 18°
Clear with a 20% chance of rain.
Tue
29° 18°
Clear with a 21% chance of rain.
Wed
29° 19°
Rain, 64% chance.
Thu
27° 19°
Drizzle, 52% chance.
Fri
27° 18°
Partly Cloudy with a 43% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 28° Partly Cloudy 21% 4 mph NW 67%
6 PM 29° Overcast 38% 3 mph NNW 69%
7 PM 28° Overcast 38% 3 mph NNE 73%
8 PM 27° Mostly Cloudy 44% 3 mph NE 78%
9 PM 26° Mostly Cloudy 44% 3 mph NNE 84%
10 PM 24° Mostly Cloudy 43% 4 mph NE 87%
11 PM 23° Mostly Cloudy 46% 4 mph NE 89%
12 AM 23° Overcast 51% 4 mph ENE 91%
1 AM 22° Overcast 49% 5 mph E 92%
2 AM 22° Overcast 56% 3 mph NE 93%
3 AM 21° Overcast 56% 3 mph N 94%
4 AM 21° Overcast 37% 4 mph NNW 94%
5 AM 21° Mostly Cloudy 38% 4 mph N 94%
6 AM 19° Partly Cloudy 35% 4 mph NNE 94%
7 AM 20° Partly Cloudy 38% 5 mph NNE 94%
8 AM 21° Partly Cloudy 50% 6 mph NE 90%
9 AM 22° Partly Cloudy 50% 6 mph NE 87%
10 AM 23° Partly Cloudy 54% 6 mph NE 84%
11 AM 24° Partly Cloudy 59% 6 mph NE 82%
12 PM 26° Mostly Clear 63% 6 mph NE 79%
1 PM 27° Mostly Clear 55% 6 mph NE 77%
2 PM 27° Partly Cloudy 55% 7 mph NE 77%
3 PM 27° Partly Cloudy 51% 7 mph NE 77%
4 PM 27° Partly Cloudy 57% 8 mph NE 77%
15-Day Forecast
Today
7/4
Mostly Cloudy
46%
19°
29°
Sun
7/5
Partly Cloudy
59%
19°
29°
Mon
7/6
Clear
20%
18°
28°
Tue
7/7
Clear
21%
18°
29°
Wed
7/8
Rain
64%
19°
29°
Thu
7/9
Drizzle
52%
19°
27°
Fri
7/10
Partly Cloudy
43%
18°
27°
Sat
7/11
Clear
42%
17°
28°
Sun
7/12
Clear
43%
16°
27°
Mon
7/13
Mostly Cloudy
44%
16°
28°
Tue
7/14
Overcast
42%
17°
28°
Wed
7/15
Drizzle
60%
17°
27°
Thu
7/16
Drizzle
60%
17°
26°
Fri
7/17
Drizzle
60%
17°
27°
Sat
7/18
Drizzle
60%
18°
27°
40
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
PM2.5
Fine particulate matter
26 AQI 4.7 µg/m³
O3
Ground-level ozone
Dominant
40 AQI 44 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 40 Good 40 26
Mon 40 Good 33 40
Tue 46 Good 33 46
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. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
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
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2079 J/kg
MLCAPE1403 J/kg
MUCAPE2079 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-5.7
Kinematics
0–6 km Shear4 kt
0–1 km Shear4 kt
Eff. Shear4 kt
0–1 km SRH-9
0–3 km SRH-15
Eff. SRH-15
Storm Motion212° @ 12 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index32.3
Thermo & Levels
PWAT1.76 in
0–3 km LR7.1 °C/km
700–500 LR6.0 °C/km
Total Totals48.0
LCL879 hPa
LFC983 hPa
EL182 hPa
Freezing Lvl13,222 ft