National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

65°F

18°C

Humidity 42%
Wind Speed E 8 mph
Barometer 30.15 in (1020.8 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 20 Apr 6:54 pm CDT
Extended Forecast for

Hillsboro MO

  • Tonight

    Tonight: Clear, with a low around 53. Southeast wind around 6 mph becoming southwest after midnight.

    Low: 53 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. Southwest wind 6 to 9 mph, with gusts as high as 22 mph.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53. Southwest wind around 7 mph.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76. Southwest wind around 6 mph.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. South wind around 5 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Partly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 75. Chance of precipitation is 80%.

    High: 75 °F

    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.

    Low: 50 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Clear, with a low around 53. Southeast wind around 6 mph becoming southwest after midnight.
Tuesday
Sunny, with a high near 78. Southwest wind 6 to 9 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 53. Southwest wind around 7 mph.
Wednesday
Mostly sunny, with a high near 76. Southwest wind around 6 mph.
Wednesday Night
Mostly clear, with a low around 57. South wind around 5 mph.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Friday
Showers and possibly a thunderstorm. High near 75. Chance of precipitation is 80%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.
Saturday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 72. Chance of precipitation is 20%.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 50.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 71.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 52.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hillsboro MO
 38.23°N 90.56°W (Elev. 801 ft)
Last Update:
5:51 pm CDT Apr 20, 2026
Forecast Valid:
7pm CDT Apr 20, 2026-6pm CDT Apr 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation