Weather Alert
Mercer Weather Warning NWS WEATHER ALERT FOR THE MERCER, MO AREA - Issued: 904 PM CDT Tue Sep 15 2026 Mercer Weather Warning

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Mercer, MO Weather Forecast

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Mercer, MO Weather Forecast

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Mercer MO weather - Light Rain - 60°F
Light Rain
60°F
Updated 10:51 pm
Feels Like 65°F
Humidity 92%
Wind E 3 mph
Barometer  30.19 in
Dew Point 58°F
Mercer MO weather - Light Rain - 16°C
Light Rain
16°C
Updated 10:51 pm
Feels Like 18°C
Humidity 92%
Wind E 5 km/h
Barometer  102.2 kPa
Dew Point 14°C
WX Settings

Mercer Weather Forecast

TONIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY
Mercer, MO Weather - Tonight Chance Of T-Storm Mercer, MO Weather - Wednesday Chance Of T-Storm Mercer, MO Weather - Wednesday Night Chance Of T-Storm Mercer, MO Weather - Thursday Partly Sunny Mercer, MO Weather - Thursday Night Partly Cloudy Mercer, MO Weather - Friday Sunny Mercer, MO Weather - Friday Night Chance Of T-Storm Mercer, MO Weather - Saturday Chance Of T-Storm Mercer, MO Weather - Saturday Night Chance Of T-Storm Mercer, MO Weather - Sunday Chance Of Showers Mercer, MO Weather - Sunday Night Chance Of Showers Mercer, MO Weather - Monday Mostly Cloudy
Chance of T-Storm Chance of T-Storm Chance of T-Storm Partly Sunny Partly Cloudy Sunny Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of Showers Chance of Showers Mostly Cloudy
Lo: 65°FLo: 18°C Hi: 79°FHi: 26°C
 Lo: 69°FLo: 21°C Hi: 81°FHi: 27°C
 Lo: 69°FLo: 21°C Hi: 85°FHi: 29°C
 Lo: 70°FLo: 21°C Hi: 81°FHi: 27°C
 Lo: 65°FLo: 18°C Hi: 71°FHi: 22°C
Lo: 61°FLo: 16°C		 Hi: 71°FHi: 22°C
Lo: 61°FLo: 16°C		 Hi: 69°FHi: 21°C
Lo: 59°FLo: 15°C
POP: 90% POP: 80% POP: 50% POP: 50% POP: 50% POP: 70% POP: 50% POP: 50%
POP = Probability of Precipitation.
Weather Outlook Updated: 248 PM CDT Tue Sep 15 2026 Mercer, MO Weather - WeatherWorld.com

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Issued: 702 PM CDT Tue Sep 15 2026

Key Messages

  • Multiple rounds of rainfall anticipated across NE KS and NW MO through tomorrow morning. Heavy downpours are expected which may lead to flash flooding as well as river flooding. A Flood Watch is in effect for NW MO and NE KS (including the KC metro) from 1PM Tuesday through 1PM Wednesday.
  • Wide range of temperatures anticipated NW MO and NE KS around 80 and central MO in the mid 90s. There is the potential for some hazardous heat across central and southern MO and tomorrow and Thursda...