Sidney, IL Weather Forecast

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Sidney, IL Weather Forecast

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Sidney IL weather  - Clear - 71°F
Clear
71°F
Updated 5:11 am
Feels Like 78°F
Humidity 93%
Wind S 5 mph
Barometer  29.85 in
Dew Point 69°F
Sidney IL weather  - Clear - 22°C
Clear
22°C
Updated 5:11 am
Feels Like 26°C
Humidity 93%
Wind S 8 km/h
Barometer  101.1 kPa
Dew Point 21°C

Sidney Weather Forecast

REST OF TONIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY WEDNESDAY THURSDAY FRIDAY FRIDAY NIGHT SATURDAY
Sidney, IL Weather - Rest Of Tonight Chance Of T-Storm Sidney, IL Weather - Sunday Chance Of T-Storm Sidney, IL Weather - Sunday Night Chance Of T-Storm Sidney, IL Weather - Monday Chance Of Showers Sidney, IL Weather - Monday Night Mostly Cloudy Sidney, IL Weather - Tuesday Mostly Cloudy Sidney, IL Weather - Wednesday Mostly Cloudy Sidney, IL Weather - Thursday Mostly Cloudy Sidney, IL Weather - Friday Mostly Cloudy Sidney, IL Weather - Friday Night Partly Cloudy Sidney, IL Weather - Saturday Partly Cloudy
Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of Showers Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy
Lo: 70°FLo: 21°C Hi: 81°FHi: 27°C
Lo: 59°FLo: 15°C Hi: 69°FHi: 21°C
Lo: 55°FLo: 13°C Hi: 69°FHi: 21°C
Lo: 51°FLo: 11°C
Hi: 69°FHi: 21°C
Lo: 51°FLo: 11°C
Hi: 69°FHi: 21°C
Lo: 51°FLo: 11°C
Hi: 69°FHi: 21°C
Lo: 51°FLo: 11°C
Hi: 75°FHi: 24°C
Lo: 50°FLo: 10°C
Hi: 75°FHi: 24°C
Lo: 50°FLo: 10°C
POP: 20% POP: 50% POP: 50% POP: 50%
POP = Probability of Precipitation.
Weather Outlook Updated: 232 AM CDT Sun Sep 20 2026 Sidney, IL Weather - WeatherWorld.com

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Issued: 322 AM CDT Sun Sep 20 2026

Key Messages

  • A Marginal Risk (level 1 of 5) of severe weather exists south of the I-72 corridor today. The primary risk will be isolated strong wind gusts during the afternoon and early evening.
  • Much cooler weather will be on tap this week as high temperatures drop into the 60s everywhere north of I-70 Monday through Wednesday.

Discussion

... Issued at 322 AM CDT Sun Sep 20 2026

A 25-30kt 850mb jet streak oriented from the Texas panhandle northeastward to Iowa continues to provide the necessary fuel...