Storms in the East; Monsoons and Fire Weather Out West

A slow moving frontal system will bring strong to severe storms, and, locally heavy rain from the Plains to the Northeast. Monsoon moisture shifts to the east into portions of the southern Plains and may produce excessive rains across portions of the High Plains and desert southwest. Fire Weather threats remain elevated to critical with isolated dry thunderstorms in the Intermountain West. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Light Rain

77°F

25°C

Humidity 77%
Wind Speed W 5 mph
Barometer 29.96 in (1013.6 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 17 Aug 1:54 am CDT
Extended Forecast for

Saint Peters MO

  • Overnight

    Overnight: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 73. West wind 3 to 5 mph.  Chance of precipitation is 40%.

    Scattered
    T-storms

    Low: 73 °F

  • Friday

    Friday: Scattered showers and thunderstorms, mainly before 10am.  Partly sunny, with a high near 86. Northwest wind 3 to 6 mph.  Chance of precipitation is 30%.

    Scattered
    T-storms

    High: 86 °F

  • Friday
    Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 70. Northwest wind 3 to 5 mph.

    Slight Chance
    T-storms

    Low: 70 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 88. Northeast wind 3 to 6 mph.

    Mostly Sunny

    High: 88 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 67. Northeast wind around 5 mph becoming calm  in the evening.

    Mostly Clear

    Low: 67 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 89.

    Mostly Sunny

    High: 89 °F

  • Sunday
    Night

    Sunday Night: Showers and thunderstorms likely after 1am.  Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

    Mostly Cloudy
    then T-storms
    Likely

    Low: 70 °F

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 83.

    Chance
    T-storms

    High: 83 °F

  • Monday
    Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 66.

    Chance
    T-storms

    Low: 66 °F

Detailed Forecast

Overnight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 73. West wind 3 to 5 mph. Chance of precipitation is 40%.
Friday
Scattered showers and thunderstorms, mainly before 10am. Partly sunny, with a high near 86. Northwest wind 3 to 6 mph. Chance of precipitation is 30%.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. Northwest wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 88. Northeast wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 67. Northeast wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
Showers and thunderstorms likely after 1am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 66.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 83.
Click Map For Forecast
Point Forecast:
Saint Peters MO
 38.79°N 90.62°W (Elev. 499 ft)
1:57 am CDT Aug 17, 2018
2am CDT Aug 17, 2018-6pm CDT Aug 23, 2018
 
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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