Saint Charles, Missouri Weather Conditions

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Current Conditions

  • 62°
  • Overcast
  • Wind: ESE 8 mph
  • Humidity: 37%
  • Visibility: 10.0 miles
  • Dew Point: 35°
  • Pressure: 30.00 in. -

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Next 12 Hours

4  pm
7  pm
10  pm
1  am
4  am
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Mostly Cloudy
Mostly Cloudy
66°
64°
54°
55°
54°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Wednesday
  • Partly Cloudy
  • High: 70 °
  • Low: 50 °
  • Partly Cloudy
  • Thursday
  • Thunderstorm
  • High: 72 °
  • Low: 50 °
  • T-Storms
  • Friday
  • Clear
  • High: 79 °
  • Low: 52 °
  • Clear
  • Saturday
  • Clear
  • High: 73 °
  • Low: 52 °
  • Clear
  • Sunday
  • Chance of a Thunderstorm
  • High: 77 °
  • Low: 52 °
  • Chance of a Thunderstorm

Forecast for Saint Charles, Missouri

Updated: 4:00 PM CDT on April 23, 2014

  • Wednesday

    Clear in the morning, then partly cloudy. High of 70F. Winds from the SSE at 10 to 15 mph.

  • Wednesday Night

    Partly cloudy. Low of 50F. Breezy. Winds from the SE at 10 to 20 mph.

  • Thursday

    Partly cloudy with a chance of a thunderstorm and a chance of rain in the morning, then overcast with thunderstorms and rain showers. High of 72F. Breezy. Winds from the SSE at 15 to 20 mph. Chance of rain 80% with rainfall amounts near 0.4 in. possible.

  • Thursday Night

    Mostly cloudy with a chance of a thunderstorm and a chance of rain in the evening, then clear. Low of 50F. Winds from the West at 5 to 15 mph. Chance of rain 30% with rainfall amounts near 0.3 in. possible.

  • Friday

    Clear. High of 79F. Winds from the WSW at 5 to 15 mph.

  • Friday Night

    Partly cloudy. Low of 52F. Winds from the WSW at 5 to 10 mph.

  • Saturday

    Clear. High of 73F. Winds from the ENE at 5 to 15 mph.

  • Saturday Night

    Clear in the evening, then partly cloudy with a chance of a thunderstorm and rain. Low of 52F. Winds from the East at 10 to 15 mph. Chance of rain 40%.

  • Sunday

    Mostly cloudy with a chance of a thunderstorm and rain in the afternoon. High of 77F. Breezy. Winds from the ESE at 15 to 20 mph. Chance of rain 20%.

  • Sunday Night

    Mostly cloudy with a chance of a thunderstorm. Fog overnight. Low of 52F. Breezy. Winds from the ESE at 10 to 20 mph. Chance of rain 70% with rainfall amounts near 0.6 in. possible.

  • Monday

    Partly cloudy with a chance of a thunderstorm. High of 86F. Breezy. Winds from the SSE at 15 to 20 mph. Chance of rain 50%.

  • Monday Night

    Partly cloudy with a chance of rain. Low of 48F. Winds from the SE at 5 to 15 mph. Chance of rain 40%.

  • Tuesday

    Mostly cloudy with a chance of a thunderstorm. High of 73F. Winds from the NNE at 5 to 20 mph. Chance of rain 60%.

  • Tuesday Night

    Overcast with a chance of rain. Low of 48F. Breezy. Winds from the North at 10 to 25 mph. Chance of rain 40%.

  • Wednesday

    Mostly cloudy. High of 59F. Winds from the NNW at 10 to 15 mph.

  • Wednesday Night

    Partly cloudy. Low of 46F. Winds from the NW at 5 to 15 mph.

  • Thursday

    Partly cloudy. High of 64F. Winds from the NNW at 5 to 10 mph.

  • Thursday Night

    Partly cloudy. Low of 46F. Winds less than 5 mph.

  • Friday

    Clear. High of 64F. Winds less than 5 mph.

  • Friday Night

    Partly cloudy. Low of 50F. Winds less than 5 mph.

  • Saturday

    Partly cloudy. High of 68F. Winds less than 5 mph.

  • Saturday Night

    Partly cloudy. Fog overnight. Low of 54F. Winds less than 5 mph.

  • Sunday

    Clear. High of 72F. Winds less than 5 mph.

  • Sunday Night

    Clear. Low of 54F. Winds from the South at 10 to 15 mph.

Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: Stable Ridge Estates, Saint Charles, MO

Updated: 5:11 PM CDT

Temperature: 61.9 °F Dew Point: 44 °F Humidity: 52% Wind: Calm Pressure: 29.68 in Hourly Precipitation: 0.00 in Graphs

Location: Fox Hill, Saint Charles, MO

Updated: 5:13 PM CDT

Temperature: 62.1 °F Dew Point: 15 °F Humidity: 16% Wind: East at 3.6 mph Pressure: 29.38 in Hourly Precipitation: 0.00 in Graphs

Location: Lindenwood, St. Charles, MO

Updated: 5:13 PM CDT

Temperature: 62.5 °F Dew Point: 37 °F Humidity: 39% Wind: Calm Pressure: 30.01 in Hourly Precipitation: 0.00 in Graphs

Location: Saint Charles Hills, Saint Charles, MO

Updated: 5:13 PM CDT

Temperature: 62.3 °F Dew Point: 36 °F Humidity: 38% Wind: ENE at 9.2 mph Pressure: 29.99 in Hourly Precipitation: 0.00 in Graphs

Location: Historic Saint Charles, Saint Charles, MO

Updated: 5:10 PM CDT

Temperature: 62.7 °F Dew Point: 40 °F Humidity: 44% Wind: Calm Pressure: 29.98 in Hourly Precipitation: 0.00 in Graphs

Location: Polestar Boating Center, St. Charles, MO

Updated: 5:09 PM CDT

Temperature: 63.1 °F Dew Point: 38 °F Humidity: 40% Wind: ESE at 3.0 mph Pressure: 30.05 in Hourly Precipitation: 0.00 in Graphs

Location: Riverwood Place, Florissant, MO

Updated: 5:13 PM CDT

Temperature: 62.3 °F Dew Point: 39 °F Humidity: 42% Wind: ESE at 3.0 mph Pressure: 30.01 in Hourly Precipitation: 0.00 in Graphs

Location: West Drive, St. Peters, MO

Updated: 5:13 PM CDT

Temperature: 62.3 °F Dew Point: 38 °F Humidity: 38% Wind: East at 6.0 mph Pressure: 30.02 in Hourly Precipitation: 0.00 in Graphs

Location: Tanglewood, Saint Peters, MO

Updated: 5:13 PM CDT

Temperature: 63.5 °F Dew Point: 39 °F Humidity: 41% Wind: SE at 2.7 mph Pressure: 29.75 in Hourly Precipitation: 0.00 in Graphs

Location: Saint Peters, MO

Updated: 5:13 PM CDT

Temperature: 62.4 °F Dew Point: 38 °F Humidity: 40% Wind: West at 2.0 mph Pressure: 30.03 in Hourly Precipitation: 0.00 in Graphs

Location: Danielle Downs, St. Peters, MO

Updated: 5:13 PM CDT

Temperature: 63.7 °F Dew Point: 37 °F Humidity: 39% Wind: ENE at 3.1 mph Pressure: 29.89 in Hourly Precipitation: 0.00 in Graphs

Location: St. Peters, St. Peters, MO

Updated: 5:10 PM CDT

Temperature: 62.5 °F Dew Point: 38 °F Humidity: 40% Wind: South at 5.0 mph Pressure: 29.97 in Hourly Precipitation: 0.00 in Graphs

Location: Harvester, St. Charles, MO

Updated: 5:04 PM CDT

Temperature: 62.9 °F Dew Point: 40 °F Humidity: 44% Wind: South at 2.0 mph Pressure: 29.97 in Hourly Precipitation: 0.00 in Graphs

Location: Maryland Heights, MO

Updated: 5:12 PM CDT

Temperature: 63.2 °F Dew Point: 37 °F Humidity: 38% Wind: SSE at 2.0 mph Pressure: 29.92 in Hourly Precipitation: 0.00 in Graphs

Location: Jost Farm, Florissant, MO

Updated: 5:10 PM CDT

Temperature: 61.7 °F Dew Point: 41 °F Humidity: 47% Wind: East at 4.5 mph Pressure: 29.75 in Hourly Precipitation: 0.00 in Graphs

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

Updated: 5:01 PM CDT

Temperature: 63.0 °F Dew Point: 37 °F Humidity: 38% Wind: South at 3.2 mph Pressure: 29.92 in Hourly Precipitation: - Graphs

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

Updated: 5:13 PM CDT

Temperature: 62.0 °F Dew Point: 41 °F Humidity: 46% Wind: Calm Pressure: 30.01 in Hourly Precipitation: 0.00 in Graphs

Location: Creve Coeur, St. Louis, MO

Updated: 5:13 PM CDT

Temperature: 63.7 °F Dew Point: 36 °F Humidity: 35% Wind: SSE at 2.0 mph Pressure: 29.59 in Hourly Precipitation: 0.00 in Graphs

Location: COTTLEVILLE/HARVESTER, St. Charles, MO

Updated: 5:13 PM CDT

Temperature: 62.6 °F Dew Point: 37 °F Humidity: 38% Wind: Calm Pressure: 29.96 in Hourly Precipitation: 0.00 in Graphs

Location: APRSWXNET Berkeley MO US, Woodson Terrace, MO

Updated: 4:46 PM CDT

Temperature: 62 °F Dew Point: 32 °F Humidity: 32% Wind: SE at 2 mph Pressure: 30.02 in Hourly Precipitation: 0.00 in Graphs

Location: Maryland Heights, St Louis, MO

Updated: 5:04 PM CDT

Temperature: 63.3 °F Dew Point: 36 °F Humidity: 37% Wind: East at 4.0 mph Pressure: 29.34 in Hourly Precipitation: 0.00 in Graphs

Location: Harmony Ridge, Cottleville, MO

Updated: 5:06 PM CDT

Temperature: 63.5 °F Dew Point: 40 °F Humidity: 42% Wind: ESE at 4.7 mph Pressure: 29.87 in Hourly Precipitation: - Graphs

Location: Chesterfield (East), Chesterfield, MO

Updated: 5:12 PM CDT

Temperature: 63.3 °F Dew Point: 40 °F Humidity: 43% Wind: East at 4.0 mph Pressure: 30.00 in Hourly Precipitation: 0.00 in Graphs

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

Updated: 5:13 PM CDT

Temperature: 63.7 °F Dew Point: 39 °F Humidity: 40% Wind: Calm Pressure: 30.17 in Hourly Precipitation: 0.00 in Graphs

Location: Whispering Hills, Creve Coeur, MO

Updated: 5:13 PM CDT

Temperature: 62.6 °F Dew Point: 37 °F Humidity: 38% Wind: ESE at 4.0 mph Pressure: 29.98 in Hourly Precipitation: 0.00 in Graphs

Location: Graeser Acres, St. Louis, MO

Updated: 5:13 PM CDT

Temperature: 62.8 °F Dew Point: 36 °F Humidity: 37% Wind: East at 1.1 mph Pressure: 29.32 in Hourly Precipitation: 0.00 in Graphs

Location: Piggy's BBQ, OFallon, MO

Updated: 5:09 PM CDT

Temperature: 63.4 °F Dew Point: 37 °F Humidity: 37% Wind: East at 5.0 mph Pressure: 29.99 in Hourly Precipitation: 0.00 in Graphs

Location: Ofallon Civic Park, Ofallon, MO

Updated: 5:13 PM CDT

Temperature: 63.0 °F Dew Point: 38 °F Humidity: 40% Wind: Calm Pressure: 29.99 in Hourly Precipitation: 0.00 in Graphs

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

Updated: 5:13 PM CDT

Temperature: 62.0 °F Dew Point: 36 °F Humidity: 38% Wind: ESE at 4.0 mph Pressure: 30.00 in Hourly Precipitation: 0.00 in Graphs

Location: Pennial Park, O'Fallon, MO

Updated: 5:10 PM CDT

Temperature: 63.3 °F Dew Point: 28 °F Humidity: 26% Wind: SE at 10.0 mph Pressure: 29.86 in Hourly Precipitation: 0.00 in Graphs

Location: De Smet Jesuit High School, Creve Coeur, MO

Updated: 5:12 PM CDT

Temperature: 61.9 °F Dew Point: 38 °F Humidity: 41% Wind: ESE at 5.0 mph Pressure: 29.96 in Hourly Precipitation: 0.00 in Graphs

Location: Ladue Meadows, Creve Coeur, MO

Updated: 5:13 PM CDT

Temperature: 63.0 °F Dew Point: 39 °F Humidity: 41% Wind: ESE at 1.0 mph Pressure: 29.85 in Hourly Precipitation: 0.00 in Graphs

Location: Timber Ridge, Godfrey, IL

Updated: 5:10 PM CDT

Temperature: 61.0 °F Dew Point: 41 °F Humidity: 47% Wind: NE at 2.0 mph Pressure: 30.01 in Hourly Precipitation: 0.00 in Graphs

Location: Royal Oaks, O'Fallon, MO

Updated: 5:13 PM CDT

Temperature: 61.6 °F Dew Point: 41 °F Humidity: 46% Wind: East at 8.0 mph Pressure: 29.98 in Hourly Precipitation: 0.00 in Graphs

Location: Brecht Ln, Godfrey, IL

Updated: 5:05 PM CDT

Temperature: 60.8 °F Dew Point: 39 °F Humidity: 45% Wind: ESE at 3.7 mph Pressure: 29.89 in Hourly Precipitation: - Graphs

Location: St. Paul (SJC), OFallon, MO

Updated: 5:13 PM CDT

Temperature: 61.6 °F Dew Point: 42 °F Humidity: 49% Wind: ENE at 4.0 mph Pressure: 29.97 in Hourly Precipitation: 0.00 in Graphs

Location: Twin Chimneys, O'Fallon, MO

Updated: 5:10 PM CDT

Temperature: 62.1 °F Dew Point: 39 °F Humidity: 42% Wind: SW at 6.0 mph Pressure: 29.87 in Hourly Precipitation: 0.00 in Graphs

MSN Maps of:

Temp: Dew Point: Humidity Wind Pressure Hr Precip -

NWS Forecaster Discussion




Area forecast discussion 
National Weather Service St Louis MO 
331 PM CDT Wed Apr 23 2014 


Short term: (through late tonight) 
issued at 236 PM CDT Wed Apr 23 2014 


(tonight) 


Mid/upper level ridge axis will pass overhead early tonight with next 
system organizing over the south-Central Plains. Expect an area of showers 
and thunderstorms to organize overnight aided by strong forcing for 
large-scale ascent via deepening trough and strong low-level moist/warm 
advection. This area of showers and storms should stay west of the area 
tonight...but may approach portions of central and northeastern Missouri 
by daybreak. Sky cover should increase overnight ahead of aforementioned 
system with brisk southeasterly winds continuing throughout the night. 
For these reasons...went a few degrees above warmer mav guidance in most 
locations. 




Gosselin 


Long term: (thursday through next wednesday) 
issued at 329 PM CDT Wed Apr 23 2014 


(thursday through saturday) 


Main focus for thurs will be precip chances. Not much change from 
the prev forecast other than slowing timing down a bit. Some 
questions remain regarding exactly how precip on thurs will play 
out. Believe that the morning hours will be similar to what is 
occurring now. Expect precip to intensify during the afternoon and 
into the evening along and just ahead of the cdfnt, if enuf heating 
can occur. Am becoming more concerned of an isod thunderstorms and rain becoming 
strong to severe, mainly across portions of central MO. However, 
this is highly conditional on the amount of heating that can occur 
during the day. Will therefore not mention for now and allow the 
night shift to reevaluate. 


Beyond thurs, the remainder of the period shud be dry. Did keep low 
chance pops for Sat as a wrmfnt lifts thru the region due to 
uncertainty. However, with height rises over the area and better 
forcing across Kansas and wrn MO, believe bulk of precip will remain west 
of the County Warning Area. 


The focus quickly turns to temps for Fri and Sat. Differences among 
mdls leads to a lot of uncertainty for these days. Given the past 
couple of warm up events, will trend twd the GFS/local WRF solns. 
These solns strong SW to west flow at the sfc with the thermal ridge 
pushing into the region. This, coupled with deep mixing, shud allow 
temps to reach the 80s for Fri. Sat shud be a little cooler as a 
weak cdfnt drops swd across the region, but still a warm day. 


(Sunday through wednesday) 


While specifics may differ among mdl solns, general trends are in 
fairly good agreement thru the extd period. Mdls suggest an initial 
surge of thunderstorms and rain will push thru the region on sun thru Mon as a large 
low system approaches the area. This system has a threat of severe 
weather for much of the County Warning Area. As this system is still 5 plus days 
out, time will not be spent discussing details that are likely to 
change many times by the end of this weekend. 


By Mon night, a short wave associated with the upper low progd to be over 
the nrn Atlantic, will approach the upper low over the MO region. 
After a brief fujiwhara interaction, these two low centers are progd 
to combine forming one large low system. Mdls differ regarding 
placement of this interaction, which will be vital to determining 
where precip will occur associated with this low. If the interaction 
is further E, the low shud eject precip ewd out of the region, per 
the GFS soln. If it is further W, per the ECMWF, precip shud linger 
for at least a while. 


Regardless, both solns suggest much colder temps will remain locked 
in place thru the remainder of next week. Will take a closer look at 
temps for Wed and beyond tomorrow, but going forecast of mid 50s may 
have too much of an influence on climo and need to be lowered with 
future updates. 




Tilly 


&& 


Aviation: (for the 18z tafs through 18z Thursday afternoon) 
issued at 1223 PM CDT Wed Apr 23 2014 


Area of showers currently over western Missouri is expected to weaken 
this afternoon and is not expected to affect kcou or KUIN at this 
time. Main impact will be increasing midlevel cloudiness at 
terminals. Southeast winds are expected to prevail through the 
night ahead of next system which will move eastward. Southerly 
low-level jet of 40-45 knots near 2000 feet above ground level over central 
Missouri and west- central Illinois could produce low- level wind 
shear and added mention for kcou and KUIN. For tomorrow...another 
area of showers with embedded thunderstorms is expected to move 
into the area from west to east ahead of a cold front from late 
morning into the early afternoon. Actual frontal passage and 
accompanied wind shift is likely to be after this valid forecast 
period. 




Specifics for kstl: 


Increasing midlevel cloudiness is expected through the afternoon at 
the terminal. Southeast winds are expected to prevail through the night 
ahead of next system which will move eastward. Low-level jet axis 
should stay to the west of kstl precluding mention of low level wind shear. For 
tomorrow...another area of showers with embedded thunderstorms is 
expected to affect Lambert Field around midday. However...actual 
frontal passage and accompanied wind shift is likely to be just after 
this valid forecast period. 


Gosselin 


&& 


Preliminary point temperatures/pops: 
Saint Louis 52 73 45 81 / 10 80 40 0 
Quincy 50 66 43 79 / 20 80 20 0 
Columbia 54 71 44 80 / 60 80 10 0 
Jefferson City 54 71 44 80 / 50 80 10 0 
Salem 48 74 46 78 / 5 70 80 0 
Farmington 47 75 46 78 / 10 80 40 0 


&& 


Lsx watches/warnings/advisories: 
MO...none. 
Illinois...none. 
&& 


$$ 


Weather forecast office lsx 












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