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As of 16:10 CDT

Weather in Lake St. Louis, MO

94°Current weather

Lake St. Louis, Sunday, 9 August, 16:10

Mostly clear. Feels like 106°. High 94°, low 72°.

Pressure29.88 inHg
Wind5 mph S
Humidity62%
Visibility6.2 mi
Dew point78°

10-day forecast for Lake St. Louis, MO: 70° to 106°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

106°
Best day: Saturday, August 15
96° · 0.21 in
Worst day: Thursday, August 13

Tap any day below to see morning, afternoon, evening and overnight.

Mon, 10103° / 75°0.01Light rain
MorningClear78°feels 79°
AfternoonClear99°feels 104°
EveningOvercast94°feels 103°
OvernightClear86°feels 91°
103 °Light rain

Lake St. Louis, Monday, 10 August

Light rain. High 103°, low 75°.

Pressure29.94 inHg
Wind12.2 mph SW
Humidity41%
Visibility6.2 mi
Dew point68°
Tue, 11103° / 78°0.01Light rain
MorningOvercast81°feels 83°
AfternoonClear101°feels 105°
EveningOvercast89°feels 92°
OvernightMostly clear85°feels 89°
103 °Light rain

Lake St. Louis, Tuesday, 11 August

Light rain. High 103°, low 78°.

Pressure29.85 inHg
Wind15 mph SW
Humidity38%
Visibility6.2 mi
Dew point67°
Wed, 1290° / 74°0.08Light rain
MorningOvercast78°feels 79°
AfternoonLight rain78°feels 80°
EveningLight rain82°feels 86°
OvernightOvercast81°feels 83°
90 °Light rain

Lake St. Louis, Wednesday, 12 August

Light rain. High 90°, low 74°.

Pressure29.80 inHg
Wind3.8 mph SE
Humidity64%
Visibility6.2 mi
Dew point70°
Thu, 1396° / 70°0.21Light rain
MorningLight rain73°feels 74°
AfternoonOvercast97°feels 103°
EveningLight rain84°feels 90°
OvernightLight rain72°feels 72°
96 °Light rain

Lake St. Louis, Thursday, 13 August

Light rain. High 96°, low 70°.

Pressure29.88 inHg
Wind11.3 mph S
Humidity54%
Visibility6.2 mi
Dew point70°
Fri, 14104° / 77°0Overcast
MorningOvercast83°feels 84°
AfternoonOvercast95°feels 98°
EveningOvercast92°feels 97°
OvernightOvercast84°feels 85°
104 °Overcast

Lake St. Louis, Friday, 14 August

Overcast. High 104°, low 77°.

Pressure29.91 inHg
Wind7 mph SE
Humidity36%
Visibility—
Dew point62°
Sat, 15106° / 79°0Clear
MorningClear86°feels 86°
AfternoonClear101°feels 102°
EveningClear94°feels 96°
OvernightClear84°feels 84°
106 °Clear

Lake St. Louis, Saturday, 15 August

Clear. High 106°, low 79°.

Pressure29.94 inHg
Wind13.5 mph SW
Humidity26%
Visibility—
Dew point58°
Sun, 1699° / 76°0Partly cloudy
MorningPartly cloudy82°feels 84°
AfternoonPartly cloudy95°feels 101°
EveningPartly cloudy86°feels 90°
OvernightPartly cloudy77°feels 78°
99 °Partly cloudy

Lake St. Louis, Sunday, 16 August

Partly cloudy. High 99°, low 76°.

Pressure29.94 inHg
Wind16.2 mph SW
Humidity43%
Visibility—
Dew point67°
Mon, 17106° / 72°0.04Light rain
MorningLight rain79°feels 81°
AfternoonLight rain96°feels 100°
EveningLight rain95°feels 95°
OvernightLight rain82°feels 82°
106 °Light rain

Lake St. Louis, Monday, 17 August

Light rain. High 106°, low 72°.

Pressure29.91 inHg
Wind11.7 mph SE
Humidity40%
Visibility—
Dew point64°
Tue, 18100° / 81°0Overcast
MorningOvercast86°feels 86°
AfternoonOvercast97°feels 99°
EveningOvercast89°feels 94°
OvernightOvercast83°feels 85°
100 °Overcast

Lake St. Louis, Tuesday, 18 August

Overcast. High 100°, low 81°.

Pressure29.88 inHg
Wind13.7 mph SW
Humidity30%
Visibility—
Dew point60°

About this forecast

How reliable is a 10-day forecast?

The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.

What does the time-of-day table show?

Temperature in Lake St. Louis, MO around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.

How is the best day chosen?

We weigh the daytime high against precipitation: a warm, dry day scores highest.