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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

79°F

26°C

Humidity 72%
Wind Speed S 5 mph
Barometer 29.88 in (1011.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 19 Sep 9:53 pm CDT
Extended Forecast for

Shrewsbury MO

  • Overnight

    Overnight: Partly cloudy, with a low around 75. Southwest wind 3 to 6 mph.

    Low: 75 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 93. Northwest wind 3 to 6 mph.

    High: 93 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 69. North wind 3 to 6 mph. Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 80. Northeast wind 5 to 7 mph. Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Northeast wind 5 to 8 mph. Chance of precipitation is 40%.

    Low: 62 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 73.

    High: 73 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 75. Southwest wind 3 to 6 mph.
Sunday
Partly sunny, with a high near 93. Northwest wind 3 to 6 mph.
Sunday Night
A chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 69. North wind 3 to 6 mph. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 80. Northeast wind 5 to 7 mph. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Northeast wind 5 to 8 mph. Chance of precipitation is 40%.
Tuesday
Mostly cloudy, with a high near 73.
Tuesday Night
Mostly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Partly sunny, with a high near 76.
Thursday Night
Mostly cloudy, with a low around 60.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 79.
Friday Night
Mostly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Shrewsbury MO
 38.58°N 90.32°W (Elev. 453 ft)
Last Update:
12:21 am CDT Sep 20, 2026
Forecast Valid:
12am CDT Sep 20, 2026-6pm CDT Sep 26, 2026
 
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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