Heavy Rainfall, Flooding, And Severe Thunderstorm Threats From The Mid South To The Great Lakes Today And Tonight

A slow moving low pressure system and cold front will bring the potential for severe thunderstorms capable of producing damaging winds and isolated tornadoes from portions of the Mid South to the Midwest and Great Lakes today and tonight. Heavy rainfall could also lead to flooding concerns. The severe weather threat will shift to the Mid Atlantic and Northeast on Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Mostly Cloudy

84°F

29°C

Humidity 63%
Wind Speed SW 9 mph
Barometer 29.87 in (1010.8 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 25 Sep 1:54 pm CDT
Extended Forecast for

Saint Peters MO

  • This
    Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Mostly cloudy, with a high near 82. Southwest wind around 8 mph.

    Chance
    T-storms

    High: 82 °F

  • Tonight

    Tonight: A chance of showers and thunderstorms.  Partly cloudy during the early evening, then becoming cloudy, with a low around 53. Southwest wind 5 to 13 mph becoming northwest after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 50%.

    Chance
    T-storms then
    Chance
    Showers

    Low: 53 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71. Northwest wind 8 to 10 mph.

    Mostly Sunny

    High: 71 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 50. Northwest wind 5 to 7 mph becoming calm  in the evening.

    Partly Cloudy

    Low: 50 °F

  • Thursday

    Thursday: Sunny, with a high near 75. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    Sunny

    High: 75 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 53.

    Mostly Clear

    Low: 53 °F

  • Friday

    Friday: Sunny, with a high near 79.

    Sunny

    High: 79 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 56.

    Partly Cloudy

    Low: 56 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 73.

    Mostly Sunny

    High: 73 °F

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 82. Southwest wind around 8 mph.
Tonight
A chance of showers and thunderstorms. Partly cloudy during the early evening, then becoming cloudy, with a low around 53. Southwest wind 5 to 13 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Wednesday
Mostly sunny, with a high near 71. Northwest wind 8 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 50. Northwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 75. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
Mostly cloudy, with a low around 58.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Click Map For Forecast
Point Forecast:
Saint Peters MO
 38.78°N 90.59°W (Elev. 492 ft)
12:56 pm CDT Sep 25, 2018
2pm CDT Sep 25, 2018-6pm CDT Oct 1, 2018
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database