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

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Fair

13°C

55°F

Humidity 47%
Wind Speed NE 24 G 37 km/h
Barometer 1023.7 mb (30.24 in)
Dewpoint 2°C (35°F)
Visibility 16 km
Wind Chill11°C (51°F)
Last update 19 Apr 10:51 pm CDT
Extended Forecast for

Champ MO

  • Tonight

    Tonight: Partly cloudy, with a low around 6. Northeast wind 5 to 11 km/h.

    Low: 6 °C

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 21. East wind 5 to 11 km/h becoming south in the afternoon.

    High: 21 °C

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 12. Southeast wind 11 to 13 km/h.

    Low: 12 °C

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 27. Southwest wind 11 to 16 km/h increasing to 18 to 23 km/h in the afternoon. Winds could gust as high as 40 km/h.

    High: 27 °C

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 15. Southwest wind 13 to 16 km/h.

    Low: 15 °C

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 27.

    High: 27 °C

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 16.

    Low: 16 °C

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 28.

    High: 28 °C

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 17. Chance of precipitation is 80%.

    Low: 17 °C

    Chance
    T-storms then
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 6. Northeast wind 5 to 11 km/h.
Monday
Sunny, with a high near 21. East wind 5 to 11 km/h becoming south in the afternoon.
Monday Night
Mostly clear, with a low around 12. Southeast wind 11 to 13 km/h.
Tuesday
Sunny, with a high near 27. Southwest wind 11 to 16 km/h increasing to 18 to 23 km/h in the afternoon. Winds could gust as high as 40 km/h.
Tuesday Night
Mostly clear, with a low around 15. Southwest wind 13 to 16 km/h.
Wednesday
Sunny, with a high near 27.
Wednesday Night
Mostly clear, with a low around 16.
Thursday
Mostly sunny, with a high near 28.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 17. Chance of precipitation is 80%.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 24. Chance of precipitation is 70%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 12.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 22.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 11.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 21.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Champ MO
 38.71°N 90.43°W (Elev. 518 m)
Last Update:
9:21 pm CDT Apr 19, 2026
Forecast Valid:
11pm CDT Apr 19, 2026-6pm CDT Apr 26, 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