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Heavy Snow Moves into the Rockies; Northern Plains

A storm will move from the western U.S. into the Wasatch and northern Rockies. Heavy snow, gusty winds and difficult travel conditions are likely. The storm will move into the Northern Plains toward the end of the week, with possible blizzard conditions. Elsewhere, heavy rain is possible along the central Gulf Coast and Florida while record warmth spreads into the Ohio Valley and Mid-Atlantic. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fog

46°F

8°C

Humidity 96%
Wind Speed Calm
Barometer 29.87 in (1011.5 mb)
Dewpoint 45°F (7°C)
Visibility 0.25 mi
Last update 22 Feb 2:53 am CST
Extended Forecast for

Waterloo IL

Dense Fog Advisory until February 22, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until February 22, 09:00am

    NOW until
    9:00am Wed

    Dense Fog Advisory

  • Overnight

    Overnight: Widespread dense fog.  Otherwise, mostly cloudy, with a low around 51. Calm wind.

    Dense Fog

    Low: 51 °F

  • Wednesday

    Wednesday: Widespread dense fog, mainly before 9am.  Otherwise, partly sunny, with a high near 75. Light southwest wind becoming south 5 to 10 mph in the morning.

    Dense Fog
    then Mostly
    Sunny

    High: 75 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 52. South wind 5 to 7 mph.

    Partly Cloudy

    Low: 52 °F

  • Thursday

    Thursday: Mostly cloudy, with a high near 72. South wind 5 to 14 mph, with gusts as high as 22 mph.

    Mostly Cloudy

    High: 72 °F

  • Thursday
    Night

    Thursday Night: Mostly cloudy, with a low around 57. South wind 11 to 15 mph, with gusts as high as 22 mph.

    Mostly Cloudy

    Low: 57 °F

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after noon.  Mostly sunny, with a high near 71.

    Chance
    T-storms

    High: 71 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 34.

    Partly Cloudy

    Low: 34 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 43.

    Mostly Sunny

    High: 43 °F

Detailed Forecast

Overnight
Widespread dense fog. Otherwise, mostly cloudy, with a low around 51. Calm wind.
Wednesday
Widespread dense fog, mainly before 9am. Otherwise, partly sunny, with a high near 75. Light southwest wind becoming south 5 to 10 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 52. South wind 5 to 7 mph.
Thursday
Mostly cloudy, with a high near 72. South wind 5 to 14 mph, with gusts as high as 22 mph.
Thursday Night
Mostly cloudy, with a low around 57. South wind 11 to 15 mph, with gusts as high as 22 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Mostly sunny, with a high near 43.
Saturday Night
Mostly clear, with a low around 27.
Sunday
A 20 percent chance of rain after noon. Partly sunny, with a high near 49.
Sunday Night
Mostly cloudy, with a low around 34.
Monday
Rain and snow likely. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 47.
Tuesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.
Click Map For Forecast
Point Forecast:
Waterloo IL
 38.33°N 90.16°W (Elev. 600 ft)
2:58 am CST Feb 22, 2017
3am CST Feb 22, 2017-6pm CST Feb 28, 2017
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database