St Louis Weather Conditions & Forecast, January 5, 2018

St Louis Weather Conditions & Forecast, January 5, 2018

St Louis Weather Conditions, Forecast & Air Quality Index readings published by STL.News

ST LOUIS, MO/January 5, 2018 (STL.News) St Louis weather conditions & forecast readings from the St. Louis Lambert International Airport at 3:51 a.m at Latitude: 38.75°N, Longitude: 90.37°W – Elevation 604 feet. Forecast is provided by the National Weather Service (N.W.S.).

Current Conditions


Hazardous Weather Outlook

Temperature: 5°F – -15°C
Humidity: 72%
Wind Speed: NW 8 mph
Barometer: 30.34 in (1029.5 MB)
Dew-point: -2°F – -19°C
Visibility: 10 Miles
Wind Chill: -8°F – -22°C
Heat Index: N/A°F – N/A°C

Extended Weather Forecast for the St Louis, Missouri area beginning January 5, 2018

Overnight: 20 percent chance of snow, cloudy – low around 9 with light northeast wind.
Friday: Chance of snow early am, followed by a chance of flurries between 7 am and 8 am, cloudy, followed by sunny/cold – high near 20 with northeast wind 3 to 7 mph with chance of precipitation – 20%.
Friday Night: Mostly clear – low around 4 with northeast wind 3 to 7 mph.
Saturday: Sunny – high near 22 with light/variable wind southeast 5 to 9 mph in the am.
Saturday Night: Mostly cloudy – low around 19 with south wind 7 to 9 mph.
Sunday: Snow/sleet before 1 pm, followed by sleet, possibly mixed with ice in the pm, followed by rain – high near 34 with a chance of precipitation – 80%. Little/no ice accumulation is expected with new snow and sleet accumulation of less than a 1/2 inch possible.
Sunday Night: Rain/sleet, possibly mixed with freezing rain late pm followed by a chance of freezing rain/sleet early am followed by a chance of freezing rain after 3 am with a low around 31 with a chance of precipitation – 80%.
Monday: Partly sunny – high near 41.
Monday Night: Mostly clear – low around 25.
Tuesday: Mostly sunny – high near 41.
Tuesday Night: Partly cloudy – low around 27.
Wednesday: Mostly sunny – high near 45.
Wednesday Night: Chance of rain/snow, mostly cloudy – low around 33 with a chance of precipitation – 20%.
Thursday: 30 percent chance of rain, mostly cloudy – high near 45.

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Air Quality Index for Saint Louis, Missouri – (A.Q.I.)

Delayed Air Quality Index: N/A

Air Quality Index (A.Q.I.)

Good – Air quality in considered “satisfactory” and air pollution poses little to no threat.

Moderate – Air quality is considered “acceptable.” However, some pollutants there may be a moderate health concern for a very small number of people who are sensitive to air pollution.

USG – while the general public will not likely be affected by this AQI range, people with lung disease, older adults and children are a great risk from exposure to ozone, whereas, persons with heart and lung disease, old adults and children are at greater risk from the presence of particles in the air.

Unhealthy – Everyone may begin to experience health effects members of sensitive groups may experience more serious health effects.

Very Unhealthy – Health Alert: everyone may experience more serious health effects.


Source: Current Weather Conditions and Forecast are obtained from the National Weather Service @ Forecast.Weather.Gov – Air Quality Index (AQI) readings are obtained from AirNow.Gov – (MS)


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