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Excessive Heat in parts of the Central and Southern U.S.

Heat Advisories and Excessive Heat Warnings extend from the Southern Plains into the Mid-Atlantic and Southeast today. High temperatures for these areas will mostly be in the upper 90s. A few locations may exceed 100. Hot temperatures combined with high dew points will create heat index values of 100 to 115 degrees. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

85°F

29°C

Humidity 51%
Wind Speed W 5 mph
Barometer 29.84 in (1009.9 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 23 Jul 7:53 pm CDT
Extended Forecast for

Collinsville IL

  • Tonight

    Tonight: Isolated showers and thunderstorms between 10pm and 1am.  Mostly clear, with a low around 70. Northwest wind 3 to 5 mph.  Chance of precipitation is 20%.

    Isolated
    T-storms

    Low: 70 °F

  • Monday

    Monday: Sunny, with a high near 88. North wind 5 to 7 mph.

    Sunny

    High: 88 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 67. East wind 3 to 7 mph.

    Mostly Clear

    Low: 67 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90. East wind 3 to 5 mph.

    Mostly Sunny

    High: 90 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 71. East wind 3 to 6 mph.

    Mostly Clear

    Low: 71 °F

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 97.

    Hot

    High: 97 °F

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 75.

    Partly Cloudy
    then Chance
    T-storms

    Low: 75 °F

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 89.

    Chance
    T-storms

    High: 89 °F

  • Thursday
    Night

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly before 2am.  Mostly cloudy, with a low around 70.

    Chance
    T-storms

    Low: 70 °F

Detailed Forecast

Tonight
Isolated showers and thunderstorms between 10pm and 1am. Mostly clear, with a low around 70. Northwest wind 3 to 5 mph. Chance of precipitation is 20%.
Monday
Sunny, with a high near 88. North wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 67. East wind 3 to 7 mph.
Tuesday
Mostly sunny, with a high near 90. East wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 71. East wind 3 to 6 mph.
Wednesday
Mostly sunny and hot, with a high near 97.
Wednesday Night
A 30 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 75.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 89.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 70.
Friday
A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Sunny, with a high near 86.
Click Map For Forecast
Point Forecast:
Collinsville IL
 38.68°N 90°W (Elev. 499 ft)
5:44 pm CDT Jul 23, 2017
8pm CDT Jul 23, 2017-6pm CDT Jul 30, 2017
 
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Additional Resources

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