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

Hazardous Weather Conditions

Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Overcast

24°F

-4°C

Humidity 46%
Wind Speed S 8 mph
Barometer 30.02 in (1017.7 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 18 Jan 1:54 pm CST
Extended Forecast for

Hillsboro MO

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 32. Light west wind becoming southwest 5 to 10 mph. Winds could gust as high as 22 mph.

    High: 32 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 12. Southwest wind 9 to 14 mph becoming northwest after midnight. Winds could gust as high as 29 mph.

    Low: 12 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 22. Northwest wind 7 to 14 mph, with gusts as high as 26 mph.

    High: 22 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 11. West wind around 5 mph becoming calm in the evening.

    Low: 11 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 39. Southwest wind 3 to 6 mph.

    High: 39 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 32. Light west wind becoming southwest 5 to 10 mph. Winds could gust as high as 22 mph.
Tonight
Partly cloudy, with a low around 12. Southwest wind 9 to 14 mph becoming northwest after midnight. Winds could gust as high as 29 mph.
M.L.King Day
Sunny, with a high near 22. Northwest wind 7 to 14 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 11. West wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 39. Southwest wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 27.
Wednesday
Mostly sunny, with a high near 47.
Wednesday Night
Partly cloudy, with a low around 20.
Thursday
Sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Partly sunny, with a high near 40.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 16.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 26.
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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:
1:51 pm CST Jan 18, 2026
Forecast Valid:
2pm CST Jan 18, 2026-6pm CST Jan 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation