Lake Saint Louis, MO Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Clear 17°F
Feels Like 17°F  
Humidity 81% Dew Point 12°F Wind Calm Barometer 30.13 in.
Report from a personal weather station 1.6 mi. NNE of central Lake Saint Louis
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Point Forecast at a Glance

ThuDec 4
Thu Dec 4: Partly Sunny, High 22F, Low 12F
22
12
FriDec 5
Fri Dec 5: Sunny, High 41F, Low 25F
41
25
SatDec 6
Sat Dec 6: Partly Sunny, High 38F, Low 25F
38
25
SunDec 7
Sun Dec 7: Snow, High 32F, Low 17F
20%
32
17
MonDec 8
Mon Dec 8: Mostly Sunny, High 32F, Low 24F
32
24
TueDec 9
Tue Dec 9: Mostly Sunny, High 44F, Low 32F
44
32
WedDec 10
Wed Dec 10: Rain, High 46F
20%
46
 

7-Day Temperature Trend

Week Ahead Summary

High temperatures climb from 22°F to a high of 46°F by week's end. Some precipitation possible, including both rain and snow.

Climate Context

This week's forecast shows temperatures running 8°F below the historical average for December. Normal highs for this period are around 44°F with lows around 26°F.

This Date in Weather History

1982 - The temperature in New York City's Central Park reached 72 degrees to establish a record high for December. The month as a whole was also the warmest of record.

More on this and other weather history

Lake Saint Louis, MO 7 Day Weather Forecast Details

Thursday Dec 4

Partly Sunny

Day: Partly sunny, with a high near 22. Northeast wind 5 to 8 mph.

Partly Cloudy

Night: Partly cloudy, with a low around 12. Calm wind becoming south around 5 mph after midnight.

Friday Dec 5

Sunny

Day: Sunny, with a high near 41. Calm wind becoming south around 6 mph in the morning.

Mostly Cloudy

Night: Mostly cloudy, with a low around 25. South wind around 5 mph becoming calm after midnight.

Saturday Dec 6

Partly Sunny

Day: Partly sunny, with a high near 38. Calm wind becoming east around 5 mph in the afternoon.

Snow

Night: A 30 percent chance of snow after midnight. Cloudy, with a low around 25.

Sunday Dec 7

Snow

Day: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 32.

Mostly Cloudy

Night: Mostly cloudy, with a low around 17.

Monday Dec 8

Mostly Sunny

Day: Mostly sunny, with a high near 32.

Partly Cloudy

Night: Partly cloudy, with a low around 24.

Tuesday Dec 9

Mostly Sunny

Day: Mostly sunny, with a high near 44.

Mostly Cloudy

Night: Mostly cloudy, with a low around 32.

Wednesday Dec 10

Rain

Day: A 20 percent chance of rain. Mostly cloudy, with a high near 46.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.