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Grant City Weather Warning NWS WEATHER ALERT FOR THE GRANT CITY, MO AREA - SHORTTERM FORECAST Issued: 118 PM CDT Wed Sep 2 2026 Grant City Weather Warning

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64458 Weather (Grant City, MO)

Grant City, MO WeatherCurrent Conditions and Weather for Grant City, Missouri
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Clear at Grant City (64458), temperature is 90°F32°C, dew point 70°F21°C, humidity 52%. Wind direction is S at 8 mphat 13 km/h with visibility of 7 mi11 km. Barometric pressure is 29.86 in1011 mb. Last update: 7:55 pm.*
*Time is approximately 7:55 pm Wed, Sep 02, 2026. Time will be within 15 minutes of current local time. Grant City weather forecast data is updated every 15 minutes.

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If it gets any hotter up here, this cool cat will have to leap off of this hot tin roof. ―Guy Lawrence
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Grant City MO Weather - 8:55 pm

Grant City Weather Forecast

Weather forecast for: Grant City MO
Last Update: 1:52 pm CDT Sep 2, 2026
Tonight: Mostly clear, with a low around 75. South wind 7 to 9 mph.
Thursday: Sunny, with a high near 94. Heat index values as high as 100. South wind 7 to 13 mph, with gusts as high as 20 mph.
Thursday Night: Mostly clear, with a low around 75. South wind 6 to 10 mph.
Friday: Sunny, with a high near 95. Heat index values as high as 100. South wind 6 to 10 mph.
Friday Night: Partly cloudy, with a low around 73. South wind 3 to 7 mph.
Saturday: Mostly sunny, with a high near 94.
Saturday Night: Partly cloudy, with a low around 72.
Sunday: Mostly sunny, with a high near 93.
Sunday Night: Partly cloudy, with a low around 72.
Labor Day: Mostly sunny, with a high near 91.
Monday Night: Partly cloudy, with a low around 73.
Tuesday: Mostly sunny, with a high near 92.
Tuesday Night: A chance of showers. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Wednesday: Mostly sunny, with a high near 89.

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