Widespread Summer Heat; Enhanced Severe Weather

A large ridge of high pressure continues to deliver summer heat w/ humidity in several sections of the country. Excessive heat warnings and heat advisories are in effect across the Desert Southwest, south-central Plains, Mid to Lower Mississippi Valley and a small part of the Mid-Atlantic. Meanwhile, an enhanced risk of organized severe thunderstorms is possible from Iowa to Illinois and Indiana. Read More >

Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

84°F

29°C

Humidity 77%
Wind Speed SW 3 mph
Barometer 30.02 in (1015.6 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 20 Aug 8:54 am CDT
Extended Forecast for

Hillsboro MO

Severe T-storm Watch until August 20, 03:00pm
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until August 20, 03:00pm

    NOW until
    3:00pm Tue

    Severe T-storm Watch

  • Today

    Today: Showers and thunderstorms likely, mainly before 3pm. Some storms could be severe, with large hail and damaging winds.  Partly sunny, with a high near 86. Calm wind becoming southwest around 5 mph.  Chance of precipitation is 70%.

    Severe
    Thunderstorms

    High: 86 °F

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 3am.  Partly cloudy, with a low around 72. Southwest wind around 6 mph becoming calm.  Chance of precipitation is 20%.

    Mostly Cloudy
    then Slight
    Chance
    T-storms

    Low: 72 °F

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after noon.  Mostly sunny, with a high near 91. Heat index values as high as 103. West wind 3 to 6 mph.

    Chance
    T-storms

    High: 91 °F

  • Wednesday
    Night

    Wednesday Night: Showers and thunderstorms likely, mainly after 2am.  Increasing clouds, with a low around 68. West wind 5 to 8 mph becoming calm  after midnight.  Chance of precipitation is 60%.

    T-storms
    Likely

    Low: 68 °F

  • Thursday

    Thursday: Showers and thunderstorms likely.  Mostly cloudy, with a high near 83. Light and variable wind.  Chance of precipitation is 60%.

    T-storms
    Likely

    High: 83 °F

  • Thursday
    Night

    Thursday Night: Showers and thunderstorms likely, mainly before 2am.  Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    T-storms
    Likely

    Low: 66 °F

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 82.

    Chance
    T-storms

    High: 82 °F

  • Friday
    Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly before 8pm.  Mostly cloudy, with a low around 62.

    Chance
    T-storms

    Low: 62 °F

Detailed Forecast

Today
Showers and thunderstorms likely, mainly before 3pm. Some storms could be severe, with large hail and damaging winds. Partly sunny, with a high near 86. Calm wind becoming southwest around 5 mph. Chance of precipitation is 70%.
Tonight
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 72. Southwest wind around 6 mph becoming calm. Chance of precipitation is 20%.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 91. Heat index values as high as 103. West wind 3 to 6 mph.
Wednesday Night
Showers and thunderstorms likely, mainly after 2am. Increasing clouds, with a low around 68. West wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms likely. Mostly cloudy, with a high near 83. Light and variable wind. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely, mainly before 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 62.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Saturday Night
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 62.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Click Map For Forecast
Point Forecast:
Hillsboro MO
 38.23°N 90.56°W (Elev. 801 ft)
7:58 am CDT Aug 20, 2019
9am CDT Aug 20, 2019-6pm CDT Aug 26, 2019
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database