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Deep Cold Trough Meets Gulf Moisture with Significant Impacts Across the Western and Central U.S.

A deep trough and associated cold front is bringing much below normal temperatures in the west, with low elevation snows. Strong winds and widespread snow, will impact the Great Basin, western mountains, and the Plains. The slowing front, will bring prolonged waves of heavy rain across the Mississippi Valley to the Great Lakes. Significant icing forecast north of the heavy rain. Big warm up east. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Overcast

61°F

16°C

Humidity 100%
Wind Speed E 7 mph
Barometer 29.83 in (1010.0 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 19 Feb 4:54 pm CST
Extended Forecast for

2 Miles NNE O'Fallon MO

  • Washington's
    Birthday

    Washington's Birthday: Showers likely and possibly a thunderstorm.  Cloudy, with a steady temperature around 63. South wind around 7 mph.  Chance of precipitation is 60%.

    Showers
    Likely

    High: 63 °F

  • Tonight

    Tonight: Showers and possibly a thunderstorm.  Low around 61. South wind 10 to 15 mph, with gusts as high as 29 mph.  Chance of precipitation is 80%.

    Showers

    Low: 61 °F

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm.  High near 72. South wind 13 to 17 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%.

    Showers

    High: 72 °F

  • Tuesday
    Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then rain, mainly between 1am and 4am.  Low around 29. West wind 10 to 13 mph becoming north after midnight. Winds could gust as high as 23 mph.  Chance of precipitation is 100%.

    Showers

    Low: 29 °F

  • Wednesday

    Wednesday: A chance of snow, freezing rain, and sleet before 1pm, then a slight chance of rain and snow between 1pm and 2pm, then a slight chance of rain after 2pm.  Mostly cloudy, with a high near 37. North wind around 11 mph.  Chance of precipitation is 40%.

    Chance Wintry
    Mix

    High: 37 °F

  • Wednesday
    Night

    Wednesday Night: A chance of rain before 2am, then a chance of freezing rain.  Cloudy, with a low around 30. Chance of precipitation is 40%.

    Chance Rain
    then Chance
    Rain/Freezing
    Rain

    Low: 30 °F

  • Thursday

    Thursday: A chance of freezing rain before 9am, then a slight chance of rain between 9am and 1pm.  Mostly cloudy, with a high near 47. Chance of precipitation is 40%.

    Chance
    Rain/Freezing
    Rain then
    Slight Chance
    Rain

    High: 47 °F

  • Thursday
    Night

    Thursday Night: Showers, mainly after 1am.  Low around 41. Chance of precipitation is 80%.

    Chance
    Showers then
    Showers

    Low: 41 °F

  • Friday

    Friday: Showers, mainly before 7am.  High near 56. Chance of precipitation is 80%.

    Showers then
    Chance
    Showers

    High: 56 °F

Detailed Forecast

Washington's Birthday
Showers likely and possibly a thunderstorm. Cloudy, with a steady temperature around 63. South wind around 7 mph. Chance of precipitation is 60%.
Tonight
Showers and possibly a thunderstorm. Low around 61. South wind 10 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.
Tuesday
Showers and possibly a thunderstorm. High near 72. South wind 13 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then rain, mainly between 1am and 4am. Low around 29. West wind 10 to 13 mph becoming north after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 100%.
Wednesday
A chance of snow, freezing rain, and sleet before 1pm, then a slight chance of rain and snow between 1pm and 2pm, then a slight chance of rain after 2pm. Mostly cloudy, with a high near 37. North wind around 11 mph. Chance of precipitation is 40%.
Wednesday Night
A chance of rain before 2am, then a chance of freezing rain. Cloudy, with a low around 30. Chance of precipitation is 40%.
Thursday
A chance of freezing rain before 9am, then a slight chance of rain between 9am and 1pm. Mostly cloudy, with a high near 47. Chance of precipitation is 40%.
Thursday Night
Showers, mainly after 1am. Low around 41. Chance of precipitation is 80%.
Friday
Showers, mainly before 7am. High near 56. Chance of precipitation is 80%.
Friday Night
Showers likely, mainly after 1am. Cloudy, with a low around 40. Chance of precipitation is 60%.
Saturday
Showers likely. Cloudy, with a high near 55. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly sunny, with a high near 57. Chance of precipitation is 60%.
Sunday Night
Mostly clear, with a low around 33.
Monday
Sunny, with a high near 57.
Click Map For Forecast
Point Forecast:
2 Miles NNE O'Fallon MO
 38.81°N 90.71°W (Elev. 502 ft)
3:46 pm CST Feb 19, 2018
5pm CST Feb 19, 2018-6pm CST Feb 26, 2018
 
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