Saint John, Missouri | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Clear
    61°
    Wednesday 4/17
    Forecast night icon
    61°
    Mostly Clear
    Hourly
    Night Details
    Mostly clear. Lows in the lower 60s. Southeast winds 5 to 10 mph.
  • Forecast day icon
    Thursday
    Thunderstorms
    79°
    Forecast night icon
    Night
    80% Chance of Storms
    46°
    Thursday 4/18
    Day
    79°
    Thunderstorms
    Forecast day icon
    Night
    46°
    80% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a slight chance of showers and thunderstorms in the morning then mostly cloudy with showers with thunderstorms likely in the afternoon. More humid with highs in the lower 80s. Temperature falling into the lower 70s in the afternoon. South winds 10 to 15 mph becoming southwest in the afternoon. Gusts up to 30 mph. Chance of rain 90 percent.
    Night Details
    Mostly cloudy. Showers with thunderstorms likely in the evening. Much cooler. Less humid with lows in the mid 40s. North winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 80 percent.
  • Forecast day icon
    Friday
    Mostly Sunny
    62°
    Forecast night icon
    Night
    Mostly Cloudy
    46°
    Friday 4/19
    Day
    62°
    Mostly Sunny
    Forecast day icon
    Night
    46°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Much cooler with highs in the mid 60s. North winds around 10 mph.
    Night Details
    Mostly cloudy. A slight chance of showers after midnight. Lows in the mid 40s. Northeast winds 5 to 10 mph. Chance of rain 20 percent.
  • Forecast day icon
    Saturday
    Partly Sunny
    60°
    Forecast night icon
    Night
    Mostly Cloudy
    41°
    Saturday 4/20
    Day
    60°
    Partly Sunny
    Forecast day icon
    Night
    41°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a 20 percent chance of showers. Highs in the lower 60s.
    Night Details
    Mostly cloudy. Lows around 40.
  • Forecast day icon
    Sunday
    Mostly Sunny
    60°
    Forecast night icon
    Night
    Mostly Clear
    39°
    Sunday 4/21
    Day
    60°
    Mostly Sunny
    Forecast day icon
    Night
    39°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the lower 60s.
    Night Details
    Mostly clear. Lows in the upper 30s. Highs in the upper 60s.
  • Forecast day icon
    Monday
    Mostly Sunny
    68°
    Forecast night icon
    Night
    Partly Cloudy
    52°
    Monday 4/22
    Day
    68°
    Mostly Sunny
    Forecast day icon
    Night
    52°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Lows in the upper 30s. Highs in the upper 60s.
    Night Details
    Partly cloudy in the evening then mostly cloudy with a slight chance of showers after midnight. Not as cool with lows around 50. Chance of rain 20 percent.
  • Forecast day icon
    Tuesday
    30% Chance of Storms
    68°
    Forecast night icon
    Night
    Partly Cloudy
    54°
    Tuesday 4/23
    Day
    68°
    30% Chance of Storms
    Forecast day icon
    Night
    54°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of showers with a slight chance of thunderstorms. Highs around 70. Chance of rain 30 percent.
    Night Details
    Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 40s. Chance of rain 20 percent.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    72°
    Forecast night icon
    Night
    40% Chance of Rain
    57°
    Wednesday 4/24
    Day
    72°
    Mostly Sunny
    Forecast day icon
    Night
    57°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a 20 percent chance of showers. Highs in the lower 70s.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 57F. Dew point will be around 52F with an average humidity of 68%. Winds will be 4 mph from the S.
  • Forecast day icon
    Thursday
    60% Chance of Rain
    74°
    Forecast night icon
    Night
    70% Chance of Rain
    57°
    Thursday 4/25
    Day
    74°
    60% Chance of Rain
    Forecast day icon
    Night
    57°
    70% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a 60% chance for rain and thunderstorms. High temperature around 74F. Dew point will be around 56F with an average humidity of 66%. Winds will be 7 mph from the SW.
    Night Details
    Mostly clear with a 65% chance for rain and thunderstorms. Low temperature around 57F. Dew point will be around 53F with an average humidity of 69%. Winds will be 4 mph from the SW.
  • Forecast day icon
    Friday
    60% Chance of Rain
    74°
    Forecast night icon
    Night
    50% Chance of Rain
    56°
    Friday 4/26
    Day
    74°
    60% Chance of Rain
    Forecast day icon
    Night
    56°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Sunny with a chance of rain. Chance of precipitation 55%. High temperature around 74F. Dew point will be around 54F with an average humidity of 62%. Winds will be 5 mph from the SW.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 45%. Low temperature around 56F. Dew point will be around 51F with an average humidity of 66%. Winds will be 3 mph from the SW.