Heat Advisory — Koochiching, MN, North St. Louis, MN, Northern Cook/Northern Lake, MN, North Itasca, MN, Central St. Louis, MN, North Cass, MN, South Itasca, MN, South Cass, MN, Crow Wing, MN, Northern Aitkin, MN, South Aitkin, MN, Carlton/South St. Louis, MN, Pine, MN, Douglas, WI, Bayfield, WI, Ashland, WI, Burnett, WI, Washburn, WI, Sawyer, WI 7:00 PM

Saint Louis, Michigan

Last updated: 5:20 PM CDT  ·  Refresh
27°C
Feels like 27°
Mostly Clear
▲ 28°  /  ▼ 14°
Wind
7 mph N
Humidity
44%
Dew Point
13°
Pressure
29.17 inHg
Visibility
10 mi
UV Index
5.6
Cloud Cover
25%
Sunrise
6:25 AM
Sunset
9:03 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Saint Louis is currently mostly clear at 27°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:25AM · Sunset: 9:03PM.

Alerts

Heat Advisory
Koochiching, MN, North St. Louis, MN, Northern Cook/Northern Lake, MN, North Itasca, MN, Central St. Louis, MN, North Cass, MN, South Itasca, MN, South Cass, MN, Crow Wing, MN, Northern Aitkin, MN, South Aitkin, MN, Carlton/South St. Louis, MN, Pine, MN, Douglas, WI, Bayfield, WI, Ashland, WI, Burnett, WI, Washburn, WI, Sawyer, WI
Expires 7:00 PM
32 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
3%
7 PM
28°
21%
8 PM
27°
21%
9 PM
24°
21%
10 PM
22°
21%
11 PM
20°
21%
12 AM
19°
21%
1 AM
18°
15%
2 AM
17°
3%
3 AM
17°
3%
4 AM
17°
3%
5 AM
17°
3%
6 AM
15°
3%
7 AM
16°
3%
8 AM
18°
3%
9 AM
21°
8%
10 AM
23°
8%
11 AM
26°
9%
12 PM
27°
18%
1 PM
28°
19%
2 PM
28°
19%
3 PM
28°
23%
4 PM
28°
18%
5 PM
28°
18%
7-Day Forecast
Tonight
28° 14°
Mostly Clear with a 21% chance of rain.
Thu
31° 15°
Partly Cloudy with a 21% chance of rain.
Fri
30° 18°
Overcast with a 50% chance of rain.
Sat
25° 17°
Overcast with a 75% chance of rain.
Sun
26° 14°
Partly Cloudy with a 41% chance of rain.
Mon
28° 14°
Clear with a 38% chance of rain.
Tue
32° 15°
Clear with a 38% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 27° Mostly Clear 3% 7 mph N 44%
7 PM 28° Clear 21% 7 mph NNE 45%
8 PM 27° Clear 21% 5 mph NNE 50%
9 PM 24° Clear 21% 4 mph N 54%
10 PM 22° Clear 21% 4 mph N 58%
11 PM 20° Clear 21% 3 mph NNW 62%
12 AM 19° Clear 21% 4 mph NW 66%
1 AM 18° Clear 15% 4 mph NW 69%
2 AM 17° Clear 3% 5 mph NW 71%
3 AM 17° Clear 3% 5 mph NW 73%
4 AM 17° Clear 3% 4 mph NW 74%
5 AM 17° Clear 3% 4 mph NW 73%
6 AM 15° Mostly Clear 3% 4 mph NW 70%
7 AM 16° Mostly Clear 3% 4 mph WNW 67%
8 AM 18° Mostly Clear 3% 3 mph WNW 62%
9 AM 21° Mostly Clear 8% 4 mph NW 54%
10 AM 23° Mostly Clear 8% 4 mph WNW 46%
11 AM 26° Mostly Clear 9% 5 mph WNW 41%
12 PM 27° Mostly Clear 18% 6 mph WNW 40%
1 PM 28° Mostly Clear 19% 7 mph WNW 38%
2 PM 28° Mostly Clear 19% 7 mph WNW 38%
3 PM 28° Partly Cloudy 23% 8 mph WNW 39%
4 PM 28° Partly Cloudy 18% 8 mph WNW 40%
5 PM 28° Partly Cloudy 18% 7 mph NW 42%
15-Day Forecast
Today
7/29
Mostly Clear
21%
14°
28°
Thu
7/30
Partly Cloudy
21%
15°
31°
Fri
7/31
Overcast
50%
18°
30°
Sat
8/1
Overcast
75%
17°
25°
Sun
8/2
Partly Cloudy
41%
14°
26°
Mon
8/3
Clear
38%
14°
28°
Tue
8/4
Clear
38%
15°
32°
Wed
8/5
Drizzle
63%
17°
32°
Thu
8/6
Drizzle
60%
17°
30°
Fri
8/7
Drizzle
45%
17°
31°
Sat
8/8
Drizzle
60%
18°
30°
Sun
8/9
Drizzle
60%
16°
29°
Mon
8/10
Drizzle
60%
15°
28°
Tue
8/11
Drizzle
60%
15°
28°
Wed
8/12
Drizzle
60%
15°
27°
32
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

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

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
32 AQI 5.8 µg/m³
O3
Ground-level ozone
28 AQI 30 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 32 Good 28 32
Fri 55 Moderate 34 55
Sat 60 Moderate 34 60
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 Wed Jul 29, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE13 J/kg
MLCAPE1 J/kg
MUCAPE13 J/kg
SBCIN-3 J/kg
MLCIN-1 J/kg
Lifted Index4.4
Kinematics
0–6 km Shear20 kt
0–1 km Shear4 kt
Eff. Shear—
0–1 km SRH-14
0–3 km SRH-30
Eff. SRH—
Storm Motion302° @ 17 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index15.7
Thermo & Levels
PWAT0.97 in
0–3 km LR7.5 °C/km
700–500 LR4.6 °C/km
Total Totals37.4
LCL798 hPa
LFC877 hPa
EL718 hPa
Freezing Lvl14,167 ft