Riordan, MO Weather Forecast

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Riordan, MO Weather Forecast

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Riordan MO weather  - Lightning Observed - 73°F
Lightning Observed
73°F
Updated 8:13 am
Feels Like 76°F
Humidity 73%
Wind N 0 mph
Barometer  30.01 in
Dew Point 64°F
Riordan MO weather  - Lightning Observed - 23°C
Lightning Observed
23°C
Updated 8:13 am
Feels Like 25°C
Humidity 73%
Wind N 0 km/h
Barometer  101.6 kPa
Dew Point 18°C

Riordan Weather Forecast

REST OF TONIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY THURSDAY THURSDAY NIGHT
Riordan, MO Weather - Rest Of Tonight Mostly Clear Riordan, MO Weather - Saturday Sunny Riordan, MO Weather - Saturday Night Chance Of T-Storm Riordan, MO Weather - Sunday Chance Of T-Storm Riordan, MO Weather - Sunday Night Chance Of T-Storm Riordan, MO Weather - Monday Chance Of Showers Riordan, MO Weather - Monday Night Mostly Cloudy Riordan, MO Weather - Tuesday Mostly Cloudy Riordan, MO Weather - Tuesday Night Partly Cloudy Riordan, MO Weather - Wednesday Partly Cloudy Riordan, MO Weather - Thursday Mostly Cloudy Riordan, MO Weather - Thursday Night Mostly Cloudy
Mostly Clear Sunny Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of Showers Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy Mostly Cloudy Mostly Cloudy
Lo: 75°FLo: 24°C Hi: 95°FHi: 35°C
Lo: 69°FLo: 21°C Hi: 85°FHi: 29°C
Lo: 65°FLo: 18°C Hi: 71°FHi: 22°C
Hi: 70°FHi: 21°C
Lo: 55°FLo: 13°C
Hi: 70°FHi: 21°C
Lo: 55°FLo: 13°C
Hi: 71°FHi: 22°C
Lo: 51°FLo: 11°C
Hi: 71°FHi: 22°C
Lo: 51°FLo: 11°C
Hi: 75°FHi: 24°C
Lo: 59°FLo: 15°C
Hi: 75°FHi: 24°C
Lo: 59°FLo: 15°C
POP: 70% POP: 50% POP: 70% POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 127 AM CDT Sat Sep 19 2026 Riordan, MO Weather - WeatherWorld.com

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Issued: 624 AM CDT Sat Sep 19 2026

Key Messages

  • Hot and Humid Saturday Afternoon
  • Thunderstorms This Evening through Overnight; Some Severe Storms Possible
  • Cooler After Sunday

Discussion

... Issued at 308 AM CDT Sat Sep 19 2026

The trough over the Intermountain West will send a few vort maxima into the Central CONUS as we head into Saturday, which will provide gradual H5 height falls across the area. The dCVA associated with this will continue to deepen a surface cyclone which is beginning to expand eastward, with surface pressure fal...