- Heat Advisory for Saint Louis - Click for Details...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT TUESDAY...Expires: July 21, 2026 @ 8:00pmWHAT
Heat index values up to 108.WHERE
Portions of south central and southwest Illinois and central, east central, and southeast Missouri.WHEN
Until 7 PM CDT Tuesday.IMPACTS
Hot temperatures and high humidity may cause heat illnesses.PRECAUTIONARY/PREPAREDNESS ACTIONS
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
91°
sunny
Humidity: 59% Dew Point: 74°
Wind: SSE 2 mph
Conditions as of 4:26pm
Wind: SSE 2 mph
Conditions as of 4:26pm
Monday
93°
Bright sunshine with daytime highs approaching 93.
9%
5:52am 8:22pm
Monday Night
79°
Overnight lows approaching 79 under mainly clear skies.
19%
5:52am 8:22pm
Tuesday
96°
Slight chance for scattered storms early, otherwise a mix of clouds and sun.
25%
5:53am 8:21pm
7-Day Forecast:
Monday
7/20
7/20
93°
Bright sunshine with daytime highs approaching 93. South winds around 5 mph.
9% S 2 mph
Sunrise: 5:52am Sunset: 8:22pm Moon: Quarter Moon
9%
S 2 mph
S 2 mph
Monday Night
79°
Overnight lows approaching 79 under mainly clear skies. Winds out of the south around 5 mph.
19% SSW 3 mph
19%
SSW 3 mph
SSW 3 mph
Tuesday
7/21
7/21
96°
Slight chance for scattered storms early, otherwise a mix of clouds and sun. Highs level off around 96. Winds turning west 8 to 15 mph.
25% WNW 7 mph
Sunrise: 5:53am Sunset: 8:21pm Moon: Quarter Moon
25%
WNW 7 mph
WNW 7 mph
Tuesday Night
71°
Lows dip down to about 71 under mainly clear skies. Winds out of the north 8 to 15 mph.
1% NNW 7 mph
1%
NNW 7 mph
NNW 7 mph
Wednesday
7/22
7/22
85°
High of 85 under partly cloudy skies. Winds turning north 8 to 15 mph.
0% N 7 mph
Sunrise: 5:54am Sunset: 8:20pm Moon: Waxing Gibbous
0%
N 7 mph
N 7 mph
Wednesday Night
66°
Partly cloudy skies with a low of 66. Winds out of the northeast 5 to 10 mph.
0% NE 5 mph
0%
NE 5 mph
NE 5 mph
Thursday
7/23
7/23
84°
Partly cloudy with highs around 84. East winds 5 to 10 mph.
1% ENE 4 mph
Sunrise: 5:55am Sunset: 8:19pm Moon: Waxing Gibbous
1%
ENE 4 mph
ENE 4 mph
Thursday Night
67°
Slight chance for scattered rain showers, otherwise mainly cloudy skies expected. Lows level off around 67. Easterly winds 5 to 10 mph.
18% ENE 4 mph
18%
ENE 4 mph
ENE 4 mph
Friday
7/24
7/24
81°
Chance for scattered showers, otherwise cloudy skies with a few peeks of sun. High of 81. Easterly winds around 5 mph.
31% E 3 mph
Sunrise: 5:56am Sunset: 8:19pm Moon: Waxing Gibbous
31%
E 3 mph
E 3 mph
Friday Night
68°
Chance for scattered rain showers, otherwise partly cloudy skies. Low of 68. East winds 5 to 10 mph.
27% ESE 4 mph
27%
ESE 4 mph
ESE 4 mph
Saturday
7/25
7/25
88°
A mix of clouds and sun with a slight chance for scattered rain showers. Daytime highs approaching 88. Winds out of the southeast 5 to 10 mph.
15% ESE 4 mph
Sunrise: 5:56am Sunset: 8:18pm Moon: Waxing Gibbous
15%
ESE 4 mph
ESE 4 mph
Saturday Night
72°
Mainly clear with a low of 72. Southeast winds around 5 mph.
5% SE 3 mph
5%
SE 3 mph
SE 3 mph
Sunday
7/26
7/26
93°
Mainly sunny skies and calm with daytime highs approaching 93. South winds around 5 mph.
4% S 3 mph
Sunrise: 5:57am Sunset: 8:17pm Moon: Full Moon
4%
S 3 mph
S 3 mph
Next 36 Hours
4:00pm
92°
Sunny
SSE 2 mph
5:00pm
92°
Mostly Sunny
S 2 mph
6:00pm
92°
Mostly Sunny
S 3 mph
7:00pm
90°
Clouds and Sun
S 3 mph
8:00pm
88°
Mostly Sunny
S 3 mph
9:00pm
85°
Clear
S 2 mph
10:00pm
83°
Mainly Clear
S 3 mph
11:00pm
83°
Mainly Clear
S 3 mph
12:00am
81°
Partly Cloudy
SSW 3 mph
1:00am
79°
Mainly Clear
SSW 4 mph
2:00am
79°
Partly Cloudy
SSW 4 mph
3:00am
79°
Partly Cloudy
SSW 4 mph
4:00am
79°
Partly Cloudy
SW 4 mph
5:00am
79°
Clouds and Sun
SW 5 mph
6:00am
79°
Clouds and Sun
SW 5 mph
7:00am
79°
Clouds and Sun
W 5 mph
8:00am
81°
Clouds and Sun
WNW 5 mph
9:00am
85°
Clouds and Sun
W 6 mph
10:00am
90°
Clouds and Sun
W 6 mph
11:00am
92°
Clouds and Sun
WNW 6 mph
12:00pm
94°
Clouds and Sun
WNW 7 mph
1:00pm
94°
Clouds and Sun
WNW 8 mph
2:00pm
94°
Clouds and Sun
NW 9 mph
3:00pm
94°
Clouds and Sun
NW 10 mph
4:00pm
94°
Clouds and Sun
NW 11 mph
5:00pm
94°
Clouds and Sun
NW 12 mph
6:00pm
94°
Clouds and Sun
NW 11 mph
7:00pm
92°
Clouds and Sun
NNW 9 mph
8:00pm
88°
Sunny
NNW 8 mph
9:00pm
85°
Clear
N 7 mph
10:00pm
81°
Clear
N 7 mph
11:00pm
79°
Clear
N 6 mph
12:00am
77°
Clear
N 6 mph
1:00am
76°
Clear
N 5 mph
2:00am
74°
Clear
N 5 mph
3:00am
72°
Clear
N 5 mph
4:00am
72°
Clear
N 5 mph
Loading Weather Radar...

