Excessive Heat Warning — San Bernardino and Riverside County Valleys-The Inland Empire, CA, San Diego County Inland Valleys, CA, Santa Ana Mountains and Foothills, CA, San Diego County Mountains, CA, Apple and Lucerne Valleys, CA, Coachella Valley, CA, San Diego County Deserts, CA, San Gorgonio Pass Near Banning, CA, Orange County Inland, CA, San Diego County Coastal Areas, CA, San Bernardino County Mountains, CA, Riverside County Mountains, CA, Orange County Coastal, CA 10:00 PM Extreme Heat Warning — Lake Havasu and Fort Mohave, AZ, Lake Mead - AZ side, AZ, Lake Mohave - AZ side, AZ, Hualapai Mountains, AZ, Northwest Deserts, AZ, Death Valley National Park, CA, Western Mojave Desert, CA, Eastern Mojave Desert, Including the Mojave National Preserve, CA, Morongo Basin, CA, Cadiz Basin, CA, San Bernardino County-Upper Colorado River Valley, CA, Northeast Clark County, NV, Western Clark and Southern Nye County, NV, Las Vegas Valley, NV, Southern Clark County, NV, Lake Mead - NV side, NV, Lake Mohave - NV side, NV 10:00 PM

Tiefort Mountains, San Bernardino County, California, United States

Last updated: 12:17 AM CDT  ·  Refresh
33°C
Feels like 31°
Mostly Clear
▲ 39°  /  ▼ 26°
Wind
15 mph W
Humidity
17%
Dew Point
4°
Pressure
27.08 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
20%
Sunrise
6:13 AM
Sunset
7:20 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Tiefort Mountains is currently mostly clear at 33°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:13AM · Sunset: 7:20PM.

Alerts

Excessive Heat Warning
San Bernardino and Riverside County Valleys-The Inland Empire, CA, San Diego County Inland Valleys, CA, Santa Ana Mountains and Foothills, CA, San Diego County Mountains, CA, Apple and Lucerne Valleys, CA, Coachella Valley, CA, San Diego County Deserts, CA, San Gorgonio Pass Near Banning, CA, Orange County Inland, CA, San Diego County Coastal Areas, CA, San Bernardino County Mountains, CA, Riverside County Mountains, CA, Orange County Coastal, CA
Expires 10:00 PM
Extreme Heat Warning
Lake Havasu and Fort Mohave, AZ, Lake Mead - AZ side, AZ, Lake Mohave - AZ side, AZ, Hualapai Mountains, AZ, Northwest Deserts, AZ, Death Valley National Park, CA, Western Mojave Desert, CA, Eastern Mojave Desert, Including the Mojave National Preserve, CA, Morongo Basin, CA, Cadiz Basin, CA, San Bernardino County-Upper Colorado River Valley, CA, Northeast Clark County, NV, Western Clark and Southern Nye County, NV, Las Vegas Valley, NV, Southern Clark County, NV, Lake Mead - NV side, NV, Lake Mohave - NV side, NV
Expires 10:00 PM
50 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
8%
11 PM
33°
8%
12 AM
33°
8%
1 AM
31°
3%
2 AM
31°
3%
3 AM
30°
3%
4 AM
29°
3%
5 AM
26°
3%
6 AM
27°
3%
7 AM
27°
3%
8 AM
29°
3%
9 AM
32°
3%
10 AM
33°
3%
11 AM
34°
3%
12 PM
35°
3%
1 PM
38°
3%
2 PM
38°
3%
3 PM
38°
3%
4 PM
38°
3%
5 PM
39°
3%
6 PM
38°
3%
7 PM
38°
3%
8 PM
37°
3%
9 PM
36°
3%
7-Day Forecast
Tonight
39° 26°
Mostly Clear.
Thu
39° 26°
Overcast.
Fri
41° 26°
Partly Cloudy.
Sat
39° 23°
Clear.
Sun
37° 21°
Clear.
Mon
37° 21°
Clear.
Tue
29° 21°
Rain, 64% chance.
TimeTempConditionsPrecipWindHumidity
Now 33° Mostly Clear 8% 15 mph W 17%
11 PM 33° Mostly Clear 8% 13 mph WNW 16%
12 AM 33° Partly Cloudy 8% 11 mph WNW 18%
1 AM 31° Mostly Cloudy 3% 9 mph WNW 19%
2 AM 31° Overcast 3% 7 mph WNW 20%
3 AM 30° Overcast 3% 5 mph WNW 21%
4 AM 29° Overcast 3% 4 mph WNW 22%
5 AM 26° Overcast 3% 4 mph WNW 22%
6 AM 27° Overcast 3% 4 mph WNW 22%
7 AM 27° Overcast 3% 4 mph WNW 21%
8 AM 29° Overcast 3% 4 mph WNW 20%
9 AM 32° Overcast 3% 3 mph WSW 18%
10 AM 33° Overcast 3% 4 mph SW 17%
11 AM 34° Mostly Cloudy 3% 5 mph SSW 16%
12 PM 35° Mostly Cloudy 3% 6 mph SSW 16%
1 PM 38° Mostly Cloudy 3% 7 mph SSW 15%
2 PM 38° Mostly Cloudy 3% 8 mph SW 14%
3 PM 38° Overcast 3% 7 mph SW 15%
4 PM 38° Overcast 3% 8 mph SW 15%
5 PM 39° Overcast 3% 8 mph WSW 15%
6 PM 38° Overcast 3% 8 mph WSW 16%
7 PM 38° Overcast 3% 9 mph W 16%
8 PM 37° Overcast 3% 10 mph W 17%
9 PM 36° Overcast 3% 10 mph WNW 18%
15-Day Forecast
Today
8/26
Mostly Clear
8%
26°
39°
Thu
8/27
Overcast
3%
26°
39°
Fri
8/28
Partly Cloudy
7%
26°
41°
Sat
8/29
Clear
7%
23°
39°
Sun
8/30
Clear
3%
21°
37°
Mon
8/31
Clear
3%
21°
37°
Tue
9/1
Rain
64%
21°
29°
Wed
9/2
Clear
17%
18°
33°
Thu
9/3
Clear
18%
22°
34°
Fri
9/4
Clear
44%
22°
34°
Sat
9/5
Clear
36%
20°
34°
Sun
9/6
Drizzle
60%
24°
34°
Mon
9/7
Clear
60%
24°
35°
Tue
9/8
Clear
60%
26°
36°
Wed
9/9
Clear
25%
25°
36°
50
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
28 AQI 5.1 µg/m³
O3
Ground-level ozone
Dominant
50 AQI 55 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 50 Good 50 28
Fri 48 Good 48 31
Sat 54 Moderate 54 39
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Thu Aug 27, 04:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE9 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index4.0
Kinematics
0–6 km Shear23 kt
0–1 km Shear9 kt
Eff. Shear—
0–1 km SRH-50
0–3 km SRH52
Eff. SRH—
Storm Motion227° @ 25 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index21.8
Thermo & Levels
PWAT0.91 in
0–3 km LR7.9 °C/km
700–500 LR8.1 °C/km
Total Totals44.9
LCL595 hPa
LFC—
EL—
Freezing Lvl13,494 ft