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Severe Thunderstorms With Heavy Rain Possible In The Upper Midwest; Excessive Heat For Central U.S.

Several rounds of strong to severe thunderstorms will be possible from the northern Plains and upper Midwest to the Great Lakes through Friday. Damaging winds, large hail, and flooding will be the primary threats with these storms. Excessive heat will grip the central Plains with heat indices approaching 105 to 110 degrees. Very hot and humid conditions are likely to expand into the Mid Atlantic. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

92°F

33°C

Humidity 52%
Wind Speed Calm
Barometer 29.99 in (1014.9 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 21 Jul 9:53 am CDT
Extended Forecast for

Waterloo IL

Excessive Heat Warning until July 22, 08:00pm
Click here for hazard details and duration
Excessive Heat Warning
  •  
    Excessive Heat Warning until July 22, 08:00pm

    NOW until
    8:00pm Sat

    Excessive Heat Warning

  • Today

    Today: Sunny and hot, with a high near 101. Heat index values as high as 112. Light and variable wind becoming south 5 to 7 mph in the afternoon.

    Hot

    High: 101 °F

  • Tonight

    Tonight: Mostly clear, with a low around 78. South wind 5 to 7 mph.

    Mostly Clear

    Low: 78 °F

  • Saturday

    Saturday: Sunny and hot, with a high near 100. Heat index values as high as 110. Southwest wind 5 to 9 mph.

    Hot

    High: 100 °F

  • Saturday
    Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am.  Partly cloudy, with a low around 76. Southwest wind 3 to 8 mph.

    Chance
    T-storms

    Low: 76 °F

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly before 8am.  Partly sunny, with a high near 93. Northwest wind 3 to 5 mph.

    Chance
    T-storms

    High: 93 °F

  • Sunday
    Night

    Sunday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 72. Chance of precipitation is 20%.

    Slight Chance
    T-storms

    Low: 72 °F

  • Monday

    Monday: A slight chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 88. Chance of precipitation is 20%.

    Slight Chance
    T-storms

    High: 88 °F

  • Monday
    Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 8pm.  Mostly clear, with a low around 67.

    Slight Chance
    T-storms then
    Mostly Clear

    Low: 67 °F

Detailed Forecast

Today
Sunny and hot, with a high near 101. Heat index values as high as 112. Light and variable wind becoming south 5 to 7 mph in the afternoon.
Tonight
Mostly clear, with a low around 78. South wind 5 to 7 mph.
Saturday
Sunny and hot, with a high near 100. Heat index values as high as 110. Southwest wind 5 to 9 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 76. Southwest wind 3 to 8 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly before 8am. Partly sunny, with a high near 93. Northwest wind 3 to 5 mph.
Sunday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 20%.
Monday
A slight chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 20%.
Monday Night
A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 67.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 67.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
Mostly sunny, with a high near 92.
Click Map For Forecast
Point Forecast:
Waterloo IL
 38.33°N 90.16°W (Elev. 600 ft)
7:57 am CDT Jul 21, 2017
10am CDT Jul 21, 2017-6pm CDT Jul 27, 2017
 
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