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Simpson, IL Weather Forecast

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Simpson, IL Weather Forecast

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Simpson IL weather - Clear - 60°F
Clear
60°F
Updated 10:28 am
Feels Like 65°F
Humidity 72%
Wind N 0 mph
Barometer  30.4 in
Dew Point 51°F
Simpson IL weather - Clear - 16°C
Clear
16°C
Updated 10:28 am
Feels Like 18°C
Humidity 72%
Wind N 0 km/h
Barometer  102.9 kPa
Dew Point 11°C
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Simpson Weather Forecast

OVERNIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY SATURDAY SATURDAY NIGHT
Simpson, IL Weather - Overnight Mostly Cloudy Simpson, IL Weather - Monday Mostly Cloudy Simpson, IL Weather - Monday Night Partly Cloudy Simpson, IL Weather - Tuesday Partly Sunny Simpson, IL Weather - Tuesday Night Mostly Cloudy Simpson, IL Weather - Wednesday Sunny Simpson, IL Weather - Wednesday Night Clear Simpson, IL Weather - Thursday Sunny Simpson, IL Weather - Thursday Night Partly Cloudy Simpson, IL Weather - Friday Mostly Cloudy Simpson, IL Weather - Saturday Mostly Cloudy Simpson, IL Weather - Saturday Night Chance Of Showers
Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Sunny Mostly Cloudy Sunny Clear Sunny Partly Cloudy Mostly Cloudy Mostly Cloudy Chance of Showers
Lo: 49°FLo: 9°C Hi: 75°FHi: 24°C
 Lo: 49°FLo: 9°C Hi: 75°FHi: 24°C
 Lo: 49°FLo: 9°C Hi: 75°FHi: 24°C
 Lo: 49°FLo: 9°C Hi: 79°FHi: 26°C
 Lo: 51°FLo: 11°C Hi: 75°FHi: 24°C
Lo: 55°FLo: 13°C		 Hi: 75°FHi: 24°C
Lo: 55°FLo: 13°C		 Lo: 59°FLo: 15°C
POP: 50%
POP = Probability of Precipitation.
Weather Outlook Updated: 147 AM CDT Mon Oct 26 2026 Simpson, IL Weather - WeatherWorld.com

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Issued: 631 AM CDT Mon Oct 26 2026

Key Messages

  • Comfortably mild and pleasant temperatures are forecast to continue this week.
  • Dry weather continues through Friday, with rain chances returning to the forecast next weekend.

Discussion

... Issued at 157 AM CDT Mon Oct 26 2026

The forecast remains fairly steady through the workweek ahead with multiple waves of upper level ridging over the Quad State, slightly interrupted by a Tuesday impulse which has precipitation further northwest. Surface high pressure is dominant over the northeast,...