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Severe Weather and Flooding Possible Saturday in the Mid-Mississippi & Lower Ohio River Valleys

A potent spring storm system with abundant moisture will bring a chance of significant severe weather and heavy rain across parts of the southern & central Plains to the lower Ohio & Tennessee Valleys on Saturday. Strong tornadoes, extremely large hail, and widespread damaging winds are possible in these areas. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

72°F

22°C

Humidity 84%
Wind Speed SW 6 mph
Barometer 29.84 in (1010.0 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 27 May 12:53 am CDT
Extended Forecast for

Waterloo IL

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms before 2am.  Mostly cloudy, with a low around 64. Light west wind.

    Slight Chance
    T-storms

    Low: 64 °F

  • Saturday

    Saturday: A chance of thunderstorms, mainly after 4pm. Some of the storms could be severe.  Patchy fog before 8am.  Otherwise, partly sunny, with a high near 84. Calm wind becoming southeast 5 to 7 mph in the afternoon.  Chance of precipitation is 40%.

    Patchy Fog
    then Severe
    Thunderstorms

    High: 84 °F

  • Saturday
    Night

    Saturday Night: Occasional thunderstorms, mainly between 7pm and 1am. Some of the storms could be severe.  Low around 64. Southeast wind 6 to 8 mph becoming west after midnight.  Chance of precipitation is 80%.

    Severe
    Thunderstorms

    Low: 64 °F

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 79. West wind 6 to 10 mph.

    Slight Chance
    T-storms

    High: 79 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 58. Northwest wind 5 to 8 mph.

    Mostly Clear

    Low: 58 °F

  • Memorial
    Day

    Memorial Day: Sunny, with a high near 81.

    Sunny

    High: 81 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 57.

    Mostly Clear

    Low: 57 °F

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 80.

    Sunny then
    Slight Chance
    T-storms

    High: 80 °F

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 59.

    Chance
    T-storms

    Low: 59 °F

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 64. Light west wind.
Saturday
A chance of thunderstorms, mainly after 4pm. Some of the storms could be severe. Patchy fog before 8am. Otherwise, partly sunny, with a high near 84. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 40%.
Saturday Night
Occasional thunderstorms, mainly between 7pm and 1am. Some of the storms could be severe. Low around 64. Southeast wind 6 to 8 mph becoming west after midnight. Chance of precipitation is 80%.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. West wind 6 to 10 mph.
Sunday Night
Mostly clear, with a low around 58. Northwest wind 5 to 8 mph.
Memorial Day
Sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 57.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 59.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 76.
Click Map For Forecast
Point Forecast:
Waterloo IL
 38.33°N 90.16°W (Elev. 600 ft)
12:56 am CDT May 27, 2017
1am CDT May 27, 2017-6pm CDT Jun 2, 2017
 
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