Troy, Missouri Weather Conditions

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Current Conditions

  • 64°
  • Partly Cloudy
  • Wind: Calm
  • Humidity: 94%
  • Visibility: 4.0 miles
  • Dew Point: 63°
  • Pressure: 29.94 in. 0

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Next 12 Hours

3  am
6  am
9  am
12  pm
3  pm
Clear
Clear
Clear
Clear
Clear
Clear
Clear
Clear
Clear
Clear
65°
63°
72°
78°
81°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Saturday
  • Clear
  • High: 84 °
  • Low: 65 °
  • Clear
  • Sunday
  • Partly Cloudy
  • High: 87 °
  • Low: 68 °
  • Partly Cloudy
  • Monday
  • Chance of a Thunderstorm
  • High: 87 °
  • Low: 70 °
  • Chance of T-Storms
  • Tuesday
  • Chance of a Thunderstorm
  • High: 75 °
  • Low: 64 °
  • Chance of T-Storms
  • Wednesday
  • Chance of a Thunderstorm
  • High: 76 °
  • Low: 64 °
  • Chance of T-Storms

Forecast for Troy, Missouri

Updated: 1:48 AM CDT on January 04, 2015

  • Saturday

    Sunny skies. High 84F. Winds light and variable.

  • Saturday Night

    Mainly clear early, then a few clouds later on. Low near 65F. Winds light and variable.

  • Sunday

    Partly cloudy skies. High 87F. Winds SSE at 5 to 10 mph.

  • Sunday Night

    A few clouds overnight. Low 68F. Winds light and variable.

  • Monday

    Scattered clouds with the possibility of an isolated thunderstorm developing during the afternoon. High 87F. Winds S at 10 to 15 mph. Chance of rain 30%.

  • Monday Night

    Scattered showers and thunderstorms. Low around 70F. Winds SW at 5 to 10 mph. Chance of rain 60%.

  • Tuesday

    Variable clouds with scattered thunderstorms. High around 75F. Winds N at 5 to 10 mph. Chance of rain 50%.

  • Tuesday Night

    Partly cloudy skies early followed by increasing clouds with showers developing later at night. Low 64F. Winds light and variable. Chance of rain 50%.

  • Wednesday

    Mixed clouds and sun with scattered thunderstorms. High 76F. Winds ENE at 5 to 10 mph. Chance of rain 50%.

  • Wednesday Night

    Cloudy skies with a few showers later at night. Low 64F. Winds N at 5 to 10 mph. Chance of rain 30%.

  • Thursday

    Partly cloudy. High 83F. Winds W at 5 to 10 mph.

  • Thursday Night

    Partly cloudy with isolated thunderstorms developing overnight. Low 66F. Winds S at 5 to 10 mph. Chance of rain 30%.

  • Friday

    Mostly sunny skies. High around 85F. Winds SW at 10 to 15 mph.

  • Friday Night

    Clear in the evening then increasing clouds with some scattered thunderstorms after midnight. Low 68F. Winds SSE at 5 to 10 mph. Chance of rain 40%.

  • Saturday

    Sunshine and clouds mixed. High 87F. Winds S at 5 to 10 mph.

  • Saturday Night

    Scattered thunderstorms in the evening. Partly cloudy skies overnight. Low near 70F. Winds S at 5 to 10 mph. Chance of rain 40%.

  • Sunday

    Partly to mostly cloudy skies with scattered thunderstorms in the morning. High 89F. Winds SSW at 10 to 15 mph. Chance of rain 50%.

  • Sunday Night

    Isolated thunderstorms during the evening, becoming clear overnight. Low 71F. Winds SW at 5 to 10 mph. Chance of rain 30%.

  • Monday

    Scattered showers and thunderstorms. High 89F. Winds WSW at 5 to 10 mph. Chance of rain 40%.

  • Monday Night

    A mostly clear sky. Low 71F. Winds NW at 5 to 10 mph.

  • Tuesday

    Morning sunshine will give way to isolated thunderstorms during the afternoon. High 87F. Winds NW at 5 to 10 mph. Chance of rain 30%.

  • Tuesday Night

    Scattered showers and thunderstorms. Low around 70F. Winds N at 5 to 10 mph. Chance of rain 40%.

Severe Weather Alert Descriptions

 Flood Warning  Statement as of 9:42 PM CDT on July 3, 2015


The Flood Warning continues for
the Mississippi River at Winfield.
* At 9pm Friday the stage was 30.0 feet.
* Flood stage is 26.0 feet.
* Minor flooding is occurring.
* Forecast: the river will fall below flood stage by Wednesday afternoon.

                   Fld latest 7 a.M. Forecast
location stg obs stg 07/04 07/05 07/06 07/07 07/08

Mississippi River
Winfield ld25 26.0 29.96 29.4 28.4 27.8 26.9 26.2




Lat... Lon 3922 9081 3923 9071 3888 9057 3881 9057
      3887 9074






841 PM CDT Fri Jul 3 2015

The Flood Warning continues for
the Cuivre river at Old Monroe.
* At 5:45 am Friday the stage was 25.2 feet.
* Flood stage is 24.0 feet.
* Minor flooding is forecast.
* Forecast: the river will fall below flood stage by tomorrow evening.


                   Fld latest 7 a.M. Forecast
location stg obs stg 07/04 07/05 07/06 07/07 07/08

Cuivre river
Old Monroe 24.0 25.20 24.4 23.6 22.8 21.9 21.2




Lat... Lon 3875 9063 3879 9066 3883 9063 3882 9061
      3876 9062







Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: Cuivre River State Park, Troy, MO

Updated: 3:20 AM CDT

Temperature: 76.3 °F Dew Point: 72 °F Humidity: 87% Wind: Calm Pressure: 30.20 in Hourly Precipitation: 0.00 in Heat Index: 77 °F Graphs

Location: Settlers Pointe, Wentzville, MO

Updated: 3:20 AM CDT

Temperature: 63.3 °F Dew Point: 60 °F Humidity: 89% Wind: Calm Pressure: 29.89 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Highland Estates, Wentzville, MO

Updated: 3:21 AM CDT

Temperature: 62.8 °F Dew Point: 62 °F Humidity: 98% Wind: Calm Pressure: 29.91 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Swaying Oaks, Wentzville, MO

Updated: 3:21 AM CDT

Temperature: 64.4 °F Dew Point: 51 °F Humidity: 61% Wind: Calm Pressure: 29.32 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Bear Creek, Wentzville, MO

Updated: 3:05 AM CDT

Temperature: 64.5 °F Dew Point: 62 °F Humidity: 91% Wind: North at - Pressure: 29.88 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Lexington Oaks Court, Foristell, MO

Updated: 3:15 AM CDT

Temperature: 64.2 °F Dew Point: 62 °F Humidity: 93% Wind: North at - Pressure: 29.98 in Hourly Precipitation: - Heat Index: - Graphs

Location: Weather from the Roof, Warrenton, MO

Updated: 3:21 AM CDT

Temperature: 63.7 °F Dew Point: 62 °F Humidity: 95% Wind: Calm Pressure: 29.96 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Fence Post Weather, Warrenton, MO

Updated: 3:21 AM CDT

Temperature: 62.0 °F Dew Point: 60 °F Humidity: 94% Wind: Calm Pressure: 29.94 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Royal Oaks, O'Fallon, MO

Updated: 3:21 AM CDT

Temperature: 65.6 °F Dew Point: 64 °F Humidity: 95% Wind: Calm Pressure: 29.92 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Crimson Oaks, Lake Saint Louis, MO

Updated: 3:21 AM CDT

Temperature: 64.0 °F Dew Point: 63 °F Humidity: 97% Wind: North at - Pressure: 29.32 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Hase's Lair, Warrenton, MO

Updated: 3:20 AM CDT

Temperature: 63.7 °F Dew Point: 62 °F Humidity: 96% Wind: Calm Pressure: 29.89 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Warrenton DALY Weather Report, Warrenton, MO

Updated: 3:03 AM CDT

Temperature: 64.7 °F Dew Point: 61 °F Humidity: 87% Wind: Calm Pressure: 29.81 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Hyland Green, O'Fallon, MO

Updated: 3:20 AM CDT

Temperature: 65.3 °F Dew Point: 65 °F Humidity: 99% Wind: Calm Pressure: 29.95 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Locksley Manor, Lake Saint Louis, MO

Updated: 3:21 AM CDT

Temperature: 64.0 °F Dew Point: 63 °F Humidity: 97% Wind: Calm Pressure: 30.67 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Conch Terrace, O'Fallon, MO

Updated: 3:16 AM CDT

Temperature: 68.9 °F Dew Point: 64 °F Humidity: 83% Wind: North at - Pressure: 30.04 in Hourly Precipitation: - Heat Index: - Graphs

Location: Lake Saint Louis, Lake Saint Louis, MO

Updated: 3:21 AM CDT

Temperature: 65.5 °F Dew Point: 63 °F Humidity: 93% Wind: Calm Pressure: 29.90 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Ofallon Civic Park, Ofallon, MO

Updated: 3:20 AM CDT

Temperature: 63.9 °F Dew Point: 63 °F Humidity: 98% Wind: Calm Pressure: 29.94 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Magnolia, OFallon, MO

Updated: 3:20 AM CDT

Temperature: 64.2 °F Dew Point: 63 °F Humidity: 95% Wind: Calm Pressure: 29.65 in Hourly Precipitation: - Heat Index: - Graphs

Location: Blue Ridge, Hardin, IL

Updated: 3:20 AM CDT

Temperature: 67.0 °F Dew Point: 64 °F Humidity: 91% Wind: East at 2.0 mph Pressure: 29.91 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Dardenne Prairie, Dardenne Prairie, MO

Updated: 3:17 AM CDT

Temperature: 65.5 °F Dew Point: 59 °F Humidity: 80% Wind: Calm Pressure: 29.63 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Piggy's BBQ, OFallon, MO

Updated: 3:19 AM CDT

Temperature: 67.1 °F Dew Point: 65 °F Humidity: 93% Wind: Calm Pressure: 29.93 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: New Melle, Wentzville, MO

Updated: 3:21 AM CDT

Temperature: 62.6 °F Dew Point: 62 °F Humidity: 97% Wind: Calm Pressure: 30.06 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Forrest Park Subdivision, OFallon, MO

Updated: 3:21 AM CDT

Temperature: 65.3 °F Dew Point: 63 °F Humidity: 93% Wind: Calm Pressure: 29.43 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Avondale, Wentzville, MO

Updated: 3:21 AM CDT

Temperature: 61.6 °F Dew Point: 61 °F Humidity: 98% Wind: Calm Pressure: 29.92 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Fox Haven, OFallon, MO

Updated: 3:09 AM CDT

Temperature: 63.2 °F Dew Point: 62 °F Humidity: 96% Wind: NE at 1.0 mph Pressure: 29.91 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Twin Chimneys, O'Fallon, MO

Updated: 3:20 AM CDT

Temperature: 65.8 °F Dew Point: 64 °F Humidity: 94% Wind: Calm Pressure: 29.82 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Alpine Ridge, OFallon, MO

Updated: 3:21 AM CDT

Temperature: 65.9 °F Dew Point: 62 °F Humidity: 87% Wind: Calm Pressure: 29.87 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

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

Updated: 3:21 AM CDT

Temperature: 67.5 °F Dew Point: 66 °F Humidity: 95% Wind: Calm Pressure: 29.56 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Ridgetop Estates, OFallon, MO

Updated: 3:10 AM CDT

Temperature: 64.4 °F Dew Point: 63 °F Humidity: 95% Wind: Calm Pressure: 30.02 in Hourly Precipitation: - Heat Index: - Graphs

Location: Little Oaks Drive, O'Fallon, MO

Updated: 3:21 AM CDT

Temperature: 68.7 °F Dew Point: 64 °F Humidity: 86% Wind: North at - Pressure: 30.01 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Doris Avenue, O'Fallon, MO

Updated: 3:15 AM CDT

Temperature: 67.3 °F Dew Point: 64 °F Humidity: 89% Wind: North at - Pressure: 30.04 in Hourly Precipitation: - Heat Index: - Graphs

Location: The Boardwalk at WingHaven, OFallon, MO

Updated: 2:57 AM CDT

Temperature: 64.0 °F Dew Point: 63 °F Humidity: 95% Wind: Calm Pressure: 29.91 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

MSN Maps of:

Temp: Dew Point: Humidity Wind Pressure Hr Precip -

NWS Forecaster Discussion




Area forecast discussion 
National Weather Service St Louis MO 
233 am CDT Sat Jul 4 2015 


Short term: (through sunday) 
issued at 231 am CDT Sat Jul 4 2015 


A dry Holiday weekend is anticipated as surface high pressure builds 
across Missouri and Illinois. Temperatures will gradually warm today 
and tomorrow as 500mb heights increase and winds become more 
southerly on Sunday as the ridge moves east of the area. 


Cvking 


Long term: (monday through friday) 
issued at 231 am CDT Sat Jul 4 2015 


Upper level trough traversing Canada and northern plains tomorrow 
and Monday will send a cold front into the lower Missouri and 
middle Mississippi River valley region Monday night and Tuesday. 
The front is expected to slow down considerably as it becomes 
quasi-stationary over the region by Tuesday evening with models 
hinting at a surface wave traversing the region Tuesday night and 
Wednesday. Increasing low level moisture and instability...coupled 
with precipitable water values in excess of 2 inches once again...will lead to 
another favorable setup for heavy rainfall Monday night through at 
least Wednesday. Have continued the trend of increasing probability of precipitation and 
will include the mention of heavy rainfall in the severe weather potential statement. The latest 
ecwmf paints a swath of 3 to 5 inches of rainfall along the I-44 
corridor in Missouri and I-70 corridor in Illinois next week which 
would only aggrevate ongoing flooding. Temperatures will be near 
normal ahead of the front on Monday...with unseasonably cool 
conditions Tuesday and Wednesday thanks to cloud cover and 
precipitation. 


Model guidance gives some indication that the front will try to lift 
back north of the region on Thursday with temperatures moderating to 
normal values by the end of the week. Have my doubts that the front 
will make much progress north as upper level pattern remains active 
and zonal which is why chance probability of precipitation remain in the forecast through 
Friday. 


Cvking 


&& 


Aviation: (for the 06z tafs through 06z Saturday night) 
issued at 1150 PM CDT Friday Jul 3 2015 


Primary concern for the rest of the night is fog development. 
Think most of the area should continue to see VFR flight 
conditions tonight...but MVFR and even some isolated IFR fog is 
already developing across parts of southeast Missouri into 
southwest Illinois. Expect this area of fog to become more 
prevalent across eastern Missouri and southwest Illinois through 
the night. Fog should dissipate within an hour or two of sunrise 
Saturday morning and VFR flight conditions will prevail through 
the rest of the day. 


Specifics for kstl: 


Fog will continue to develop at the terminal. Not sure how low it 
will get...IFR visibility is possible...but I think it most likely 
won't get below 3sm. Fog should dissipate within an hour or two 
after sunrise and VFR flight conditions will prevail the rest of 
the day. 


Carney 


&& 


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


$$ 


Weather forecast office lsx 






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