Severe Thunderstorms and Heavy Rain Possible Central Plains; Hot in the Southwest

Strong thunderstorms with damaging wind and hail are possible across the central Plains through Wednesday. Meanwhile, 100 degree heat continues across the Southwest into the Inter-mountain West.
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Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

78°F

26°C

Humidity 50%
Wind Speed NE 9 mph
Barometer 30.06 in (1017.7 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 28 Jun 8:53 pm CDT
Extended Forecast for

Collinsville IL

  • Tonight

    Tonight: Mostly clear, with a low around 59. Northeast wind 5 to 7 mph.

    Mostly Clear

    Low: 59 °F

  • Wednesday

    Wednesday: Sunny, with a high near 81. Northeast wind 3 to 6 mph.

    Sunny

    High: 81 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 60. Northeast wind around 6 mph becoming calm  in the evening.

    Partly Cloudy

    Low: 60 °F

  • Thursday

    Thursday: Partly sunny, with a high near 83. Calm wind becoming southeast 5 to 7 mph in the morning.

    Partly Sunny

    High: 83 °F

  • Thursday
    Night

    Thursday Night: A 50 percent chance of showers and thunderstorms after 8pm.  Mostly cloudy, with a low around 66. South wind 5 to 7 mph becoming calm  after midnight.

    Chance
    T-storms

    Low: 66 °F

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 84.

    Chance
    T-storms

    High: 84 °F

  • Friday
    Night

    Friday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 65.

    Chance
    T-storms

    Low: 65 °F

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 81.

    Chance
    T-storms

    High: 81 °F

  • Saturday
    Night

    Saturday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 66.

    Chance
    T-storms

    Low: 66 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 59. Northeast wind 5 to 7 mph.
Wednesday
Sunny, with a high near 81. Northeast wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 60. Northeast wind around 6 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 83. Calm wind becoming southeast 5 to 7 mph in the morning.
Thursday Night
A 50 percent chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 66. South wind 5 to 7 mph becoming calm after midnight.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Independence Day
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Click Map For Forecast
Point Forecast:
Collinsville IL
 38.68°N 90°W (Elev. 499 ft)
8:14 pm CDT Jun 28, 2016
9pm CDT Jun 28, 2016-6pm CDT Jul 5, 2016
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database