Heat Advisory — Keya Paha, NE, Boyd, NE, Holt, NE, Wheeler, NE, Eastern Cherry, NE, Brown, NE, Rock, NE, Thomas, NE, Blaine, NE, Loup, NE, Garfield, NE, Logan, NE, Custer, NE, Lincoln, NE, Frontier, NE, Sheridan, NE, Garden, NE, Grant, NE, Hooker, NE, Arthur, NE, McPherson, NE, Deuel, NE, Keith, NE, Perkins, NE, Chase, NE, Hayes, NE, Western Cherry, NE 10:00 PM

Brown County, Nebraska, United States

Last updated: 12:48 AM CDT  ·  Refresh
27°C
Feels like 28°
Clear
▲ 38°  /  ▼ 20°
Wind
6 mph W
Humidity
59%
Dew Point
20°
Pressure
27.08 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
6:27 AM
Sunset
9:04 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Brown County is currently clear at 27°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2252 J/kg) — isolated convective development possible. Sunrise: 6:27AM · Sunset: 9:04PM.

Alerts

Heat Advisory
Keya Paha, NE, Boyd, NE, Holt, NE, Wheeler, NE, Eastern Cherry, NE, Brown, NE, Rock, NE, Thomas, NE, Blaine, NE, Loup, NE, Garfield, NE, Logan, NE, Custer, NE, Lincoln, NE, Frontier, NE, Sheridan, NE, Garden, NE, Grant, NE, Hooker, NE, Arthur, NE, McPherson, NE, Deuel, NE, Keith, NE, Perkins, NE, Chase, NE, Hayes, NE, Western Cherry, NE
Expires 10:00 PM
44 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
11%
1 AM
26°
11%
2 AM
24°
11%
3 AM
24°
3%
4 AM
23°
3%
5 AM
21°
3%
6 AM
21°
3%
7 AM
22°
4%
8 AM
24°
9%
9 AM
27°
9%
10 AM
29°
10%
11 AM
32°
13%
12 PM
34°
13%
1 PM
37°
14%
2 PM
38°
14%
3 PM
38°
14%
4 PM
38°
14%
5 PM
37°
9%
6 PM
36°
9%
7 PM
34°
9%
8 PM
33°
15%
9 PM
33°
15%
10 PM
32°
24%
11 PM
31°
29%
7-Day Forecast
Today
38° 20°
Mostly Cloudy.
Tue
37° 20°
Partly Cloudy with a 32% chance of rain.
Wed
37° 19°
Clear with a 72% chance of rain.
Thu
36° 21°
Heavy Rain, 83% chance.
Fri
37° 19°
Clear.
Sat
38° 19°
Clear.
Sun
41° 19°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 27° Clear 11% 6 mph W 59%
1 AM 26° Clear 11% 6 mph NW 65%
2 AM 24° Clear 11% 6 mph NNW 69%
3 AM 24° Partly Cloudy 3% 6 mph NNW 74%
4 AM 23° Partly Cloudy 3% 6 mph NNW 75%
5 AM 21° Partly Cloudy 3% 6 mph NNW 76%
6 AM 21° Partly Cloudy 3% 7 mph NNW 77%
7 AM 22° Partly Cloudy 4% 8 mph N 74%
8 AM 24° Mostly Cloudy 9% 9 mph NNE 68%
9 AM 27° Overcast 9% 10 mph NNE 63%
10 AM 29° Mostly Cloudy 10% 11 mph NE 55%
11 AM 32° Mostly Cloudy 13% 12 mph NE 47%
12 PM 34° Mostly Cloudy 13% 14 mph ENE 39%
1 PM 37° Partly Cloudy 14% 14 mph ENE 34%
2 PM 38° Partly Cloudy 14% 14 mph ENE 30%
3 PM 38° Partly Cloudy 14% 14 mph E 26%
4 PM 38° Partly Cloudy 14% 11 mph E 27%
5 PM 37° Mostly Cloudy 9% 10 mph E 29%
6 PM 36° Mostly Cloudy 9% 12 mph ENE 31%
7 PM 34° Mostly Cloudy 9% 11 mph ENE 33%
8 PM 33° Mostly Cloudy 15% 11 mph ENE 35%
9 PM 33° Mostly Cloudy 15% 12 mph ENE 36%
10 PM 32° Mostly Cloudy 24% 12 mph ENE 39%
11 PM 31° Mostly Cloudy 29% 11 mph ENE 43%
15-Day Forecast
Today
7/27
Mostly Cloudy
14%
20°
38°
Tue
7/28
Partly Cloudy
32%
20°
37°
Wed
7/29
Clear
72%
19°
37°
Thu
7/30
Heavy Rain
83%
21°
36°
Fri
7/31
Clear
16%
19°
37°
Sat
8/1
Clear
8%
19°
38°
Sun
8/2
Clear
8%
19°
41°
Mon
8/3
Clear
18%
21°
41°
Tue
8/4
Rain
68%
15°
33°
Wed
8/5
Drizzle
51%
9°
29°
Thu
8/6
Drizzle
60%
17°
34°
Fri
8/7
Drizzle
60%
19°
34°
Sat
8/8
Drizzle
60%
19°
34°
Sun
8/9
Drizzle
60%
18°
34°
Mon
8/10
Drizzle
60%
19°
37°
44
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
41 AQI 7.5 µg/m³
O3
Ground-level ozone
Dominant
44 AQI 48 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 44 Good 44 41
Tue 44 Good 42 44
Wed 44 Good 44 38
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 Mon Jul 27, 04:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1347 J/kg
MLCAPE2160 J/kg
MUCAPE3572 J/kg
SBCIN-706 J/kg
MLCIN0 J/kg
Lifted Index-3.9
Kinematics
0–6 km Shear18 kt
0–1 km Shear9 kt
Eff. Shear27 kt
0–1 km SRH-53
0–3 km SRH-84
Eff. SRH-61
Storm Motion268° @ 19 kt
0–1 km EHI-0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index31.3
Thermo & Levels
PWAT1.28 in
0–3 km LR4.8 °C/km
700–500 LR8.0 °C/km
Total Totals54.8
LCL830 hPa
LFC588 hPa
EL182 hPa
Freezing Lvl15,030 ft