Arnold, Missouri Weather Conditions

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Current Conditions

  • 48°
  • Scattered Clouds
  • Wind: North 21 mph
  • Humidity: 42%
  • Visibility: 10.0 miles
  • Dew Point: 26°
  • Pressure: 30.29 in. 0

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Next 12 Hours

4  pm
7  pm
10  pm
1  am
4  am
Clear
Clear
Clear
Clear
Clear
Clear
Clear
Clear
Clear
Clear
46°
37°
37°
34°
30°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Friday
  • Partly Cloudy
  • High: 48 °
  • Low: 27 °
  • Partly Cloudy
  • Saturday
  • Clear
  • High: 46 °
  • Low: 28 °
  • Clear
  • Sunday
  • Partly Cloudy
  • High: 52 °
  • Low: 39 °
  • Partly Cloudy
  • Monday
  • Partly Cloudy
  • High: 66 °
  • Low: 48 °
  • Partly Cloudy
  • Tuesday
  • Rain
  • High: 61 °
  • Low: 46 °
  • Rain

Forecast for Arnold, Missouri

Updated: 4:00 PM 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 48F. Windy. Winds from the NNW at 20 to 25 mph with gusts to 35 mph.

  • Friday Night

    Clear. Low of 27F. Breezy. Winds from the NNW at 10 to 20 mph.

  • Saturday

    Clear. High of 46F. Winds from the North at 5 to 10 mph.

  • Saturday Night

    Clear in the evening, then partly cloudy. Low of 28F. Winds less than 5 mph.

  • Sunday

    Partly cloudy. High of 52F. Winds from the SSE at 5 to 15 mph.

  • Sunday Night

    Partly cloudy. Low of 39F. Winds from the South at 5 to 15 mph.

  • Monday

    Overcast in the morning, then partly cloudy. High of 66F. Breezy. Winds from the South at 15 to 20 mph.

  • Monday Night

    Partly cloudy in the evening, then overcast with a chance of rain. Low of 48F. Winds from the South at 10 to 15 mph. Chance of rain 30% with rainfall amounts near 0.7 in. possible.

  • Tuesday

    Overcast with rain. High of 61F. Winds from the SSW at 5 to 15 mph shifting to the West in the afternoon. Chance of rain 70% with rainfall amounts near 0.4 in. possible.

  • Tuesday Night

    Mostly cloudy with a chance of rain. Low of 46F. Winds from the North at 5 to 10 mph. Chance of rain 50%.

  • Wednesday

    Partly cloudy. High of 57F. Winds less than 5 mph.

  • Wednesday Night

    Clear. Low of 41F. Winds from the WSW at 5 to 10 mph.

  • Thursday

    Partly cloudy. High of 61F. Breezy. Winds from the NW at 15 to 20 mph.

  • Thursday Night

    Clear. Low of 41F. Winds from the NW at 5 to 10 mph.

  • Friday

    Clear. High of 61F. Winds from the North at 5 to 15 mph.

  • Friday Night

    Clear. Low of 43F. Winds less than 5 mph.

  • Saturday

    Mostly cloudy. High of 52F. Winds from the SW at 5 to 10 mph shifting to the NW in the afternoon.

  • Saturday Night

    Partly cloudy. Low of 41F. Winds from the NW at 5 to 10 mph.

  • Sunday

    Clear. High of 55F. Winds from the NW at 5 to 10 mph.

  • Sunday Night

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

  • Monday

    Partly cloudy. High of 55F. Winds less than 5 mph.

  • Monday Night

    Partly cloudy. Low of 37F. Winds less than 5 mph.

  • Tuesday

    Clear. High of 59F. Winds less than 5 mph.

  • Tuesday Night

    Clear. Low of 37F. Winds from the SW at 5 to 10 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: ARNOLD, Arnold, MO

Updated: 3:30 PM CDT

Temperature: 45.3 °F Dew Point: - Humidity: 42% Wind: North at - Pressure: 29.56 in Hourly Precipitation: - Windchill: 45 °F Graphs

Location: Arnold, MO

Updated: 3:26 PM CDT

Temperature: 46.2 °F Dew Point: 31 °F Humidity: 55% Wind: West at 4.0 mph Pressure: 30.28 in Hourly Precipitation: 0.00 in Windchill: 44 °F Graphs

Location: Arnold, Arnold, MO

Updated: 3:31 PM CDT

Temperature: 45.2 °F Dew Point: 27 °F Humidity: 48% Wind: NW at 13.0 mph Pressure: 30.27 in Hourly Precipitation: 0.00 in Windchill: 39 °F Graphs

Location: summerfield, Imperial, MO

Updated: 3:31 PM CDT

Temperature: 46.6 °F Dew Point: 25 °F Humidity: 42% Wind: North at 6.5 mph Pressure: 30.04 in Hourly Precipitation: 0.00 in Windchill: 43 °F Graphs

Location: Saint Louis County, Saint Louis County, MO

Updated: 3:30 PM CDT

Temperature: 47.9 °F Dew Point: 28 °F Humidity: 46% Wind: East at 2.0 mph Pressure: 30.32 in Hourly Precipitation: 0.00 in Windchill: 48 °F Graphs

Location: Imperial, MO

Updated: 3:31 PM CDT

Temperature: 44.2 °F Dew Point: 26 °F Humidity: 49% Wind: Calm Pressure: 30.20 in Hourly Precipitation: 0.00 in Windchill: 44 °F Graphs

Location: Oakville, Providence Pointe, Oakville, MO

Updated: 3:31 PM CDT

Temperature: 47.8 °F Dew Point: 26 °F Humidity: 43% Wind: North at 12.0 mph Pressure: 30.32 in Hourly Precipitation: 0.00 in Windchill: 43 °F Graphs

Location: Oakville, Cardinal Creek Subd, Oakville, MO

Updated: 3:31 PM CDT

Temperature: 46.0 °F Dew Point: 28 °F Humidity: 49% Wind: NNW at 4.0 mph Pressure: 30.28 in Hourly Precipitation: 0.00 in Windchill: 44 °F Graphs

Location: Christopher Winds, Oakville, MO

Updated: 3:31 PM CDT

Temperature: 44.9 °F Dew Point: 25 °F Humidity: 45% Wind: NW at 5.0 mph Pressure: 30.26 in Hourly Precipitation: 0.00 in Windchill: 42 °F Graphs

Location: Rock Creek Terrace, High Ridge, MO

Updated: 3:31 PM CDT

Temperature: 44.1 °F Dew Point: 24 °F Humidity: 44% Wind: Calm Pressure: 30.21 in Hourly Precipitation: 0.00 in Windchill: 44 °F Graphs

Location: South St. Louis County, St. Louis, MO

Updated: 3:30 PM CDT

Temperature: 48.7 °F Dew Point: - Humidity: 40% Wind: West at 5.0 mph Pressure: 29.61 in Hourly Precipitation: 0.00 in Windchill: 47 °F Graphs

Location: San Luis Trails, Fenton, MO

Updated: 3:31 PM CDT

Temperature: 44.6 °F Dew Point: 20 °F Humidity: 38% Wind: NNW at 5.0 mph Pressure: 30.24 in Hourly Precipitation: 0.00 in Windchill: 42 °F Graphs

Location: Jefferson Barracks, Mehlville, MO

Updated: 3:31 PM CDT

Temperature: 46.0 °F Dew Point: 24 °F Humidity: 41% Wind: SW at 9.6 mph Pressure: 30.27 in Hourly Precipitation: 0.00 in Windchill: 41 °F Graphs

Location: High Ridge Fire District House #1, High Ridge, MO

Updated: 3:18 PM CDT

Temperature: 46.1 °F Dew Point: 23 °F Humidity: 41% Wind: North at 21.0 mph Pressure: 30.26 in Hourly Precipitation: 0.00 in Windchill: 38 °F Graphs

Location: St. Louis, MO

Updated: 3:31 PM CDT

Temperature: 46.8 °F Dew Point: 26 °F Humidity: 44% Wind: West at 2.0 mph Pressure: 30.20 in Hourly Precipitation: 0.00 in Windchill: 47 °F Graphs

Location: Hawkins/Smizer Mill, Fenton, MO

Updated: 3:31 PM CDT

Temperature: 47.8 °F Dew Point: 27 °F Humidity: 44% Wind: NW at 3.0 mph Pressure: 30.28 in Hourly Precipitation: 0.00 in Windchill: 48 °F Graphs

Location: Chesapeake on the Bluff, Columbia, IL

Updated: 3:31 PM CDT

Temperature: 45.3 °F Dew Point: 28 °F Humidity: 50% Wind: NE at 3.6 mph Pressure: 30.27 in Hourly Precipitation: 0.00 in Windchill: 44 °F Graphs

Location: Sunset Hills, St Louis, MO

Updated: 3:20 PM CDT

Temperature: 46.3 °F Dew Point: 27 °F Humidity: 48% Wind: Calm Pressure: 30.29 in Hourly Precipitation: - Windchill: 46 °F Graphs

Location: Crestwood, Crestwood, MO

Updated: 3:20 PM CDT

Temperature: 48.0 °F Dew Point: 27 °F Humidity: 43% Wind: NNW at 6.3 mph Pressure: 30.02 in Hourly Precipitation: - Windchill: 45 °F Graphs

Location: South County, Affton, MO

Updated: 3:31 PM CDT

Temperature: 44.8 °F Dew Point: 27 °F Humidity: 50% Wind: NNW at 6.0 mph Pressure: 30.18 in Hourly Precipitation: 0.00 in Windchill: 41 °F Graphs

Location: Olde Mill Estates, Byrnes Mill, MO

Updated: 3:31 PM CDT

Temperature: 45.7 °F Dew Point: 22 °F Humidity: 38% Wind: North at 15.9 mph Pressure: 30.38 in Hourly Precipitation: 0.00 in Windchill: 39 °F Graphs

Location: MesoWest I-255 / IL-3 @ Columbia IL US ILDOT, Columbia, IL

Updated: 2:55 PM CDT

Temperature: 47 °F Dew Point: 25 °F Humidity: 42% Wind: North at 16 mph Pressure: - Hourly Precipitation: 0.00 in Windchill: 41 °F Graphs

Location: Big Bend and I-270, Kirkwood, MO

Updated: 3:30 PM CDT

Temperature: 45.9 °F Dew Point: 26 °F Humidity: 45% Wind: North at 3.0 mph Pressure: 30.27 in Hourly Precipitation: 0.00 in Windchill: 46 °F Graphs

Location: Gedern Village, Columbia, IL

Updated: 3:28 PM CDT

Temperature: 45.7 °F Dew Point: 26 °F Humidity: 45% Wind: West at 9.0 mph Pressure: 30.30 in Hourly Precipitation: 0.00 in Windchill: 41 °F Graphs

Location: Crest Ave. Kirkwood MO, St. Louis, MO

Updated: 3:21 PM CDT

Temperature: 46.9 °F Dew Point: 27 °F Humidity: 45% Wind: SSW at 3.7 mph Pressure: 30.25 in Hourly Precipitation: - Windchill: 46 °F Graphs

Location: East Madison, Kirkwood, MO, Kirkwood, MO

Updated: 3:31 PM CDT

Temperature: 43.9 °F Dew Point: 24 °F Humidity: 46% Wind: NW at 2.0 mph Pressure: 30.32 in Hourly Precipitation: 0.00 in Windchill: 44 °F Graphs

Location: On The Bluffs, Waterloo, IL

Updated: 3:31 PM CDT

Temperature: 46.1 °F Dew Point: 25 °F Humidity: 44% Wind: NNE at 4.0 mph Pressure: 30.20 in Hourly Precipitation: 0.00 in Windchill: 44 °F Graphs

Location: BROADWAY (South), St. Louis, MO

Updated: 3:30 PM CDT

Temperature: 46.0 °F Dew Point: - Humidity: 38% Wind: North at - Pressure: 29.64 in Hourly Precipitation: - Windchill: 46 °F Graphs

Location: Essex and Geyer, St. Louis, MO

Updated: 3:30 PM CDT

Temperature: 45.0 °F Dew Point: 26 °F Humidity: 46% Wind: SW at 8.9 mph Pressure: 30.11 in Hourly Precipitation: - Windchill: 40 °F Graphs

Location: Twin Oaks, Twin Oaks, MO

Updated: 3:19 PM CDT

Temperature: 46.6 °F Dew Point: 24 °F Humidity: 41% Wind: SW at 4.7 mph Pressure: 30.19 in Hourly Precipitation: - Windchill: 44 °F Graphs

Location: Herculaneum, Mott Street, Herculaneum, MO

Updated: 3:31 PM CDT

Temperature: 45.9 °F Dew Point: - Humidity: - Wind: North at - Pressure: 29.85 in Hourly Precipitation: - Windchill: 46 °F Graphs

Location: Webster Groves, Webster Groves, MO

Updated: 3:30 PM CDT

Temperature: 44.5 °F Dew Point: 19 °F Humidity: 35% Wind: NW at 14.0 mph Pressure: 30.28 in Hourly Precipitation: 0.00 in Windchill: 38 °F Graphs

MSN Maps of:

Temp: Dew Point: Humidity Wind Pressure Hr Precip -

NWS Forecaster Discussion




Area forecast discussion 
National Weather Service St Louis MO 
330 PM CDT Fri Oct 31 2014 


Short term: (through tonight) 
issued at 110 PM CDT Fri Oct 31 2014 


Focus tonight continues to be temps. 


No changes to ongoing headline. If going forecast verifies, this 
will end the frost/freeze headlines for the year. Going forecast 
remains reasonable given the latest guidance and have made only 
minor changes. With winds remaining stronger across the ern 
portions of the cwa, temps will be slow to drop. However, with 
continued cold air advection and with winds diminishing quickly twd sunrise, 
believe the going forecast is still on track. Only other change is 
reducing the amount of frost mentioned in the forecast. With very 
dry air being advected swd and at least some wind remaining thru 
the night, believe frost will be more limited to sheltered areas. 


Tilly 


Long term: (saturday through next friday) 
issued at 255 PM CDT Fri Oct 31 2014 


Have trended twd the warmer guidance thru the weekend. Ample 
insolation shud help raise temps even with little to no warm air advection. 
Overnight temps trend warmer as well as the sfc ridge builds ewd 
and sly flow returns to much of the area. The only exception is 
sern portions of the County Warning Area tomorrow night where the sfc ridge will 
be overhead. For this area, have trended twd the cooler guidance. 


Focus turns to precip chances for Mon thru tues. Mdls remain in 
good agreement with this system and have gradually sped up timing 
of fropa late Mon into tues. Have moved up pops accordingly. 
Beyond this system, mdl solns diverge quickly. With drastically 
different solns late next week, have low confidence in either the 
European model (ecmwf) or GFS. For now, have kept pops low and have trended twd a 
compromise for temps. 


Tilly 


&& 


Aviation: (for the 18z tafs through 18z Saturday afternoon) 
issued at 1218 PM CDT Fri Oct 31 2014 


Strong north winds gusting 25-30 kts will persist through the 
afternoon and diminish around sunset. VFR flight conditions will 
prevail through the period. 


Specifics for kstl: 


Strong north winds gusting 26-30 kts will persist through the 
afternoon and diminish around sunset. VFR flight conditions will 
prevail through the period. 


Glass 


&& 


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) 




&& 


Preliminary point temperatures/pops: 
Saint Louis 28 47 32 54 / 0 0 0 0 
Quincy 23 45 29 51 / 0 0 0 0 
Columbia 23 46 33 56 / 0 0 0 0 
Jefferson City 23 47 32 57 / 0 0 0 0 
Salem 29 45 27 51 / 0 0 0 0 
Farmington 27 45 26 50 / 0 0 0 0 


&& 


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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