Old Jamestown 7 Day Weather Forecast with Current Weather Conditions for , MO." />

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Old Jamestown, Missouri 7 Day Weather Forecast

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NWS Forecast for 3 Miles NNW Black Jack MO

National Weather Service Forecast for: 3 Miles NNW Black Jack MO
Issued by: National Weather Service Saint Louis, MO

Updated: 4:21 am CDT Sep 8, 2026

Today Mostly Sunny	Tonight Mostly Clear	Wednesday Chance Showers then Chance T-storms	Wednesday Night T-storms Likely then Showers	Thursday Showers	Thursday Night Partly Cloudy	Friday Sunny	Friday Night Mostly Clear then Slight Chance Showers	Saturday Chance Showers
Hi 95 °F	Lo 76 °F	Hi 97 °F	Lo 71 °F	Hi 81 °F	Lo 65 °F	Hi 86 °F	Lo 69 °F	Hi 89 °F

Air Quality Alert

Today	Mostly sunny, with a high near 95. Southeast wind 3 to 5 mph.
Tonight	Mostly clear, with a low around 76. South wind 5 to 7 mph.
Wednesday	A chance of showers, with thunderstorms also possible after 1pm. Partly sunny and hot, with a high near 97. Heat index values as high as 103. South wind 7 to 9 mph becoming west in the afternoon. Chance of precipitation is 30%.
Wednesday Night	Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Low around 71. North wind around 5 mph becoming light and variable. Chance of precipitation is 100%.
Thursday	Showers and possibly a thunderstorm before 10am, then showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. High near 81. North wind around 6 mph. Chance of precipitation is 80%.
Thursday Night	Partly cloudy, with a low around 65.
Friday	Sunny, with a high near 86.
Friday Night	A 20 percent chance of showers after 1am. Mostly clear, with a low around 69.
Saturday	A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Saturday Night	A 30 percent chance of showers. Partly cloudy, with a low around 69.
Sunday	A 20 percent chance of showers. Mostly sunny, with a high near 88.
Sunday Night	A 20 percent chance of showers. Partly cloudy, with a low around 69.
Monday	A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.

Forecast from NOAA-NWS for 3 Miles NNW Black Jack MO.

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