Saint Charles, Missouri Weather Conditions

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Freeze Warning View All Alerts

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Current Conditions

  • 45°
  • Overcast
  • Wind: NNW 17 mph
  • Humidity: 58%
  • Visibility: 10.0 miles
  • Dew Point: 31°
  • Pressure: 30.22 in. +
  • Heat Index: 38

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Next 12 Hours

7  am
10  am
1  pm
4  pm
7  pm
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Clear
Clear
Clear
Clear
Clear
Clear
43°
36°
43°
45°
39°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Friday
  • Partly Cloudy
  • High: 46 °
  • Low: 25 °
  • Partly Cloudy
  • Saturday
  • Clear
  • High: 48 °
  • Low: 30 °
  • Clear
  • Sunday
  • Partly Cloudy
  • High: 54 °
  • Low: 37 °
  • Partly Cloudy
  • Monday
  • Partly Cloudy
  • High: 66 °
  • Low: 46 °
  • Partly Cloudy
  • Tuesday
  • Chance of Rain
  • High: 61 °
  • Low: 45 °
  • Chance of Rain

Forecast for Saint Charles, Missouri

Updated: 4:00 AM CDT on October 31, 2014

Freeze warning in effect from 1 am to 10 am CDT Saturday...
  • Friday

    Partly cloudy in the morning, then clear. High of 46F. Breezy. Winds from the NNW at 15 to 25 mph with gusts to 30 mph.

  • Friday Night

    Clear. Low of 25F. Winds from the NNW at 5 to 15 mph.

  • Saturday

    Clear. High of 48F. Winds from the North at 5 to 10 mph.

  • Saturday Night

    Clear in the evening, then partly cloudy. Low of 30F. Winds less than 5 mph.

  • Sunday

    Partly cloudy. High of 54F. Winds from the SSE at 10 to 15 mph.

  • Sunday Night

    Clear in the evening, then mostly cloudy. Low of 37F. Winds from the South at 10 to 15 mph.

  • Monday

    Overcast in the morning, then partly cloudy. High of 66F. Winds from the South at 10 to 15 mph.

  • Monday Night

    Mostly cloudy in the evening, then overcast. Low of 46F. Winds from the South at 10 to 15 mph.

  • Tuesday

    Overcast with a chance of rain. High of 61F. Winds from the SSW at 10 to 15 mph. Chance of rain 70% with rainfall amounts near 0.8 in. possible.

  • Tuesday Night

    Mostly cloudy with a chance of rain. Fog overnight. Low of 45F. Winds from the WNW at 5 to 10 mph shifting to the North after midnight. Chance of rain 50% with rainfall amounts near 0.2 in. possible.

  • Wednesday

    Partly cloudy. High of 57F. Winds from the NW at 5 to 10 mph.

  • Wednesday Night

    Clear. Low of 43F. Winds from the West at 5 to 10 mph.

  • Thursday

    Clear. High of 59F. Winds from the NW at 5 to 10 mph.

  • Thursday Night

    Clear. Low of 41F. Winds from the North at 5 to 10 mph shifting to the East after midnight.

  • Friday

    Clear. High of 57F. Winds from the SSE at 5 to 15 mph.

  • Friday Night

    Partly cloudy. Low of 43F. Winds from the SW at 5 to 15 mph.

  • Saturday

    Partly cloudy with a chance of rain. Fog early. High of 52F. Winds less than 5 mph. Chance of rain 30%.

  • Saturday Night

    Partly cloudy. Fog overnight. Low of 43F. Winds less than 5 mph.

  • Sunday

    Clear. High of 55F. Winds less than 5 mph.

  • Sunday Night

    Clear. Low of 37F. Winds less than 5 mph.

  • Monday

    Partly cloudy. High of 52F. Winds less than 5 mph.

  • Monday Night

    Clear. Fog overnight. Low of 37F. Winds less than 5 mph.

Severe Weather Alert Descriptions

 Freeze Warning  Statement as of 3:48 am CDT on October 31, 2014


... Freeze warning remains in effect from 1 am to 10 am CDT
Saturday...

* timing... the temperature is expected to fall below the
freezing mark late Friday night.

* Temperatures... lows will be in the 20s.

* Impacts... sensitive plants and trees may be damaged or killed.

Precautionary/preparedness actions...

A freeze warning is issued when sub-freezing temperatures are
forecast to threaten outdoor plants. Those with agricultural
interests in the warned area are advised to protect tender
vegetation. Also... potted plants normally left outdoors should be
covered or brought inside away from the cold.





Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: Fox Hill, Saint Charles, MO

Updated: 8:07 AM CDT

Temperature: 44.8 °F Dew Point: 32 °F Humidity: 61% Wind: NW at 11.0 mph Pressure: 30.17 in Hourly Precipitation: - Windchill: 39 °F Graphs

Location: Lindenwood, St. Charles, MO

Updated: 8:13 AM CDT

Temperature: 45.4 °F Dew Point: 34 °F Humidity: 65% Wind: Calm Pressure: 30.23 in Hourly Precipitation: 0.00 in Windchill: 45 °F Graphs

Location: Saint Charles Hills, Saint Charles, MO

Updated: 8:13 AM CDT

Temperature: 45.2 °F Dew Point: 32 °F Humidity: 60% Wind: North at 9.2 mph Pressure: 30.24 in Hourly Precipitation: 0.00 in Windchill: 40 °F Graphs

Location: Foxborough Estates, St. Charles, MO

Updated: 8:13 AM CDT

Temperature: 45.6 °F Dew Point: 34 °F Humidity: 63% Wind: SSW at 3.0 mph Pressure: 30.24 in Hourly Precipitation: 0.00 in Windchill: 46 °F Graphs

Location: Polestar Boating Center, St. Charles, MO

Updated: 8:13 AM CDT

Temperature: 44.9 °F Dew Point: 31 °F Humidity: 59% Wind: NNW at 13.0 mph Pressure: 30.31 in Hourly Precipitation: 0.00 in Windchill: 39 °F Graphs

Location: Talbridge, St. Charles, MO

Updated: 8:13 AM CDT

Temperature: 45.1 °F Dew Point: 33 °F Humidity: 63% Wind: NW at 6.3 mph Pressure: 30.16 in Hourly Precipitation: 0.00 in Windchill: 42 °F Graphs

Location: Riverwood Place, Florissant, MO

Updated: 8:13 AM CDT

Temperature: 45.4 °F Dew Point: 34 °F Humidity: 65% Wind: NNW at 1.0 mph Pressure: 30.24 in Hourly Precipitation: 0.00 in Windchill: 45 °F Graphs

Location: manors of orchard glen, St. Peters, MO

Updated: 8:13 AM CDT

Temperature: 45.1 °F Dew Point: 32 °F Humidity: 60% Wind: West at 5.4 mph Pressure: 30.22 in Hourly Precipitation: 0.00 in Windchill: 42 °F Graphs

Location: West Drive, St. Peters, MO

Updated: 8:13 AM CDT

Temperature: 45.3 °F Dew Point: 35 °F Humidity: 65% Wind: SW at 7.0 mph Pressure: 30.26 in Hourly Precipitation: 0.00 in Windchill: 42 °F Graphs

Location: Wilshire Valley, St. Charles, MO

Updated: 7:59 AM CDT

Temperature: 46.8 °F Dew Point: 29 °F Humidity: 50% Wind: NE at 5.0 mph Pressure: 30.28 in Hourly Precipitation: 0.00 in Windchill: 44 °F Graphs

Location: Danielle Downs, St. Peters, MO

Updated: 8:13 AM CDT

Temperature: 46.4 °F Dew Point: 37 °F Humidity: 70% Wind: WNW at 2.2 mph Pressure: 30.11 in Hourly Precipitation: 0.00 in Windchill: 46 °F Graphs

Location: St. Peters, St. Peters, MO

Updated: 8:13 AM CDT

Temperature: 45.3 °F Dew Point: 35 °F Humidity: 67% Wind: North at 16.1 mph Pressure: 30.22 in Hourly Precipitation: 0.00 in Windchill: 38 °F Graphs

Location: Harvester, St. Charles, MO

Updated: 8:08 AM CDT

Temperature: 46.5 °F Dew Point: 37 °F Humidity: 70% Wind: North at 6.0 mph Pressure: 30.22 in Hourly Precipitation: 0.01 in Windchill: 44 °F Graphs

Location: Maryland Heights, MO

Updated: 8:12 AM CDT

Temperature: 45.9 °F Dew Point: 36 °F Humidity: 68% Wind: NNE at 2.0 mph Pressure: 30.14 in Hourly Precipitation: 0.00 in Windchill: 46 °F Graphs

Location: Jost Farm, Florissant, MO

Updated: 8:13 AM CDT

Temperature: 44.6 °F Dew Point: 29 °F Humidity: 55% Wind: SE at 7.6 mph Pressure: 30.04 in Hourly Precipitation: 0.00 in Windchill: 40 °F Graphs

Location: St. Ann, MO, St. Ann, MO

Updated: 8:09 AM CDT

Temperature: 45.3 °F Dew Point: 35 °F Humidity: 66% Wind: ENE at 3.7 mph Pressure: 30.12 in Hourly Precipitation: - Windchill: 44 °F Graphs

Location: 1 Mile South of St. Louis Lambert Airport, Woodson Terrace, MO

Updated: 8:13 AM CDT

Temperature: 44.6 °F Dew Point: 35 °F Humidity: 68% Wind: NNE at 6.0 mph Pressure: 30.24 in Hourly Precipitation: 0.00 in Windchill: 41 °F Graphs

Location: Creve Coeur, St. Louis, MO

Updated: 8:13 AM CDT

Temperature: 46.2 °F Dew Point: 28 °F Humidity: 49% Wind: WNW at 1.1 mph Pressure: 29.77 in Hourly Precipitation: 0.00 in Windchill: 46 °F Graphs

Location: COTTLEVILLE/HARVESTER, St. Charles, MO

Updated: 7:38 AM CDT

Temperature: 46.8 °F Dew Point: 38 °F Humidity: 70% Wind: North at 1.8 mph Pressure: 30.15 in Hourly Precipitation: 0.00 in Windchill: 47 °F Graphs

Location: Harmony Ridge, Cottleville, MO

Updated: 8:01 AM CDT

Temperature: 45.9 °F Dew Point: 36 °F Humidity: 68% Wind: WNW at 7.3 mph Pressure: 30.12 in Hourly Precipitation: - Windchill: 42 °F Graphs

Location: Alpine Ridge, OFallon, MO

Updated: 8:13 AM CDT

Temperature: 45.7 °F Dew Point: 34 °F Humidity: 64% Wind: ENE at 2.0 mph Pressure: 30.19 in Hourly Precipitation: 0.00 in Windchill: 46 °F Graphs

Location: Country Crossing - Birdie Hills and Treeshadow, St. Peters, MO

Updated: 8:04 AM CDT

Temperature: 45.9 °F Dew Point: 35 °F Humidity: 65% Wind: West at 7.3 mph Pressure: 30.18 in Hourly Precipitation: - Windchill: 42 °F Graphs

Location: Chesterfield (East), Chesterfield, MO

Updated: 8:12 AM CDT

Temperature: 45.0 °F Dew Point: 35 °F Humidity: 68% Wind: NW at 5.0 mph Pressure: 30.23 in Hourly Precipitation: 0.00 in Windchill: 42 °F Graphs

Location: Ross Ave, St. Louis, MO

Updated: 8:13 AM CDT

Temperature: 47.1 °F Dew Point: 34 °F Humidity: 61% Wind: NNW at 2.3 mph Pressure: 30.20 in Hourly Precipitation: 0.00 in Windchill: 47 °F Graphs

Location: O'fallon / St. Peters, St. Peters, MO

Updated: 8:13 AM CDT

Temperature: 46.2 °F Dew Point: 38 °F Humidity: 72% Wind: NW at 2.4 mph Pressure: 30.23 in Hourly Precipitation: 0.00 in Windchill: 46 °F Graphs

Location: Whispering Hills, Creve Coeur, MO

Updated: 8:13 AM CDT

Temperature: 45.6 °F Dew Point: 34 °F Humidity: 64% Wind: NNW at 4.0 mph Pressure: 30.22 in Hourly Precipitation: 0.00 in Windchill: 44 °F Graphs

Location: Quiet Village, Creve Coeur, MO

Updated: 8:13 AM CDT

Temperature: 46.4 °F Dew Point: 35 °F Humidity: 65% Wind: ESE at 1.0 mph Pressure: 30.25 in Hourly Precipitation: 0.00 in Windchill: 46 °F Graphs

Location: Graeser Acres, St. Louis, MO

Updated: 8:13 AM CDT

Temperature: 46.1 °F Dew Point: 35 °F Humidity: 64% Wind: NW at 1.1 mph Pressure: 30.15 in Hourly Precipitation: 0.00 in Windchill: 46 °F Graphs

Location: Piggy's BBQ, OFallon, MO

Updated: 8:09 AM CDT

Temperature: 45.4 °F Dew Point: 34 °F Humidity: 63% Wind: NNW at 10.0 mph Pressure: 30.24 in Hourly Precipitation: 0.00 in Windchill: 40 °F Graphs

Location: Ofallon Civic Park, Ofallon, MO

Updated: 8:13 AM CDT

Temperature: 45.0 °F Dew Point: 33 °F Humidity: 63% Wind: West at 4.0 mph Pressure: 30.25 in Hourly Precipitation: 0.00 in Windchill: 43 °F Graphs

Location: Downtown O'Fallon, O'Fallon, MO

Updated: 8:13 AM CDT

Temperature: 45.0 °F Dew Point: 33 °F Humidity: 62% Wind: North at 9.0 mph Pressure: 31.22 in Hourly Precipitation: 0.00 in Windchill: 40 °F Graphs

Location: Hyland Green, O'Fallon, MO

Updated: 8:13 AM CDT

Temperature: 45.7 °F Dew Point: 33 °F Humidity: 60% Wind: North at 4.5 mph Pressure: 29.83 in Hourly Precipitation: 0.00 in Windchill: 44 °F Graphs

MSN Maps of:

Temp: Dew Point: Humidity Wind Pressure Hr Precip -

NWS Forecaster Discussion




Area forecast discussion...updated aviation 
National Weather Service St Louis MO 
647 am CDT Fri Oct 31 2014 


Short term: (through tonight) 
issued at 254 am CDT Fri Oct 31 2014 


A strong cold front is knocking on the door of the County Warning Area early this 
morning. Windy and cool conditions are expected this Halloween 
as cold advection takes hold of the region. Coldest temperatures 
of the season thus far are expected tonight and freeze warnings 
are in effect. Most locations should easily drop into the middle 
to upper 20s for several hours, officially ending the growing 
season. 


Cvking 


Long term: (tonight through thursday) 
issued at 254 am CDT Fri Oct 31 2014 


Temperatures expected to slowly moderate Saturday and Sunday as 
ridge of high pressure progresses across and then east of the 
area. Threat of rain increases early next week as another cold 
front moves across the region. Temperatures to remain seasonal 
though with highs in the 50s/60s and lows in the 30s/40s. 


Cvking 
&& 


Aviation: (for the 12z tafs through 12z Saturday morning) 
issued at 644 am CDT Fri Oct 31 2014 


Skies to clear out from north to south today with taf sites 
clearing out by 14z. Otherwise, main issue will be the winds 
today. To pickup from the north gusting to near 30kts at times. 
Then winds to diminish towards sunset. 


Specifics for kstl: 
skies to clear out from north to south today with Metro area 
clearing out by 14z. Otherwise, main issue will be the winds 
today. To pickup from the north gusting to near 30kts at times. 
Then winds to diminish by 00z Saturday. 


Byrd 
&& 


Climate: 
issued at 236 PM CDT Tue Oct 28 2014 


Halloween top news of the day article on the National Weather Service St. Louis website 
contains Halloween climate statistics for St. Louis, Columbia and 
Quincy. (Http://www.Crh.NOAA.Gov/lsx) 




&& 


Lsx watches/warnings/advisories: 
MO...freeze warning from 1 am to 10 am CDT Saturday for Audrain MO- 
Boone MO-Callaway MO-Cole MO-Crawford MO-Franklin MO- 
Gasconade MO-Iron MO-Jefferson MO-Knox MO-Lewis MO-Lincoln 
MO-Madison MO-Marion MO-Moniteau MO-Monroe MO-Montgomery MO- 
Osage MO-Pike MO-Ralls MO-Reynolds MO-Shelby MO-St. Charles 
MO-St. Francois MO-St. Louis city MO-St. Louis MO-Ste. 
Genevieve MO-Warren MO-Washington MO. 


Illinois...freeze warning from 1 am to 10 am CDT Saturday for Adams Illinois-Bond 
Illinois-Brown Illinois-Calhoun Illinois-Clinton Illinois-Fayette Illinois-Greene Illinois- 
Jersey Illinois-Macoupin Illinois-Madison Illinois-Marion Illinois-Monroe Illinois- 
Montgomery Illinois-Pike Illinois-Randolph IL-St. Clair Illinois-Washington 
Illinois. 


&& 


$$ 
Weather forecast office lsx 



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