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Sidney, IL Weather Tomorrow

Get the forecast you need for Sidney tomorrow with an extended 5 day weather outlook featuring daily precipitation forecasts, changing sky conditions, daytime highs, overnight lows, Fahrenheit and Celsius temperatures, sunrise, sunset, wind chill, and local wind details throughout the Sidney area and around Champaign county, Illinois.
Updated: Thu Sep 3rd 2026 1:00 PM CDT
Sidney, IL Weather – 9-3 – Sunny
100° / 75°
Sunny
Bright and sunny conditions in Sidney, with a high of 100°F and a low of 75°F. There's a very small chance of rainfall, only about 4%. Winds will be light at 10mph and gusts of 20.2mph at 10 PM. The humidity will be on the higher side, averaging about 63%, the maximum being 64% at 7 PM and 39% being its lowest at 3 PM. Barometric pressure is its highest of 29.94inHg at 2 PM, a lowest point of 29.88inHg at 6 PM with an avg 29.91inHg.
Sidney, IL Weather – 9-4 – Sunny
88° / 77°

Weather Tomorrow

Sunny
In Sidney, bright and sunny conditions with highs near 88°F and lows around 77°F. There's a very small chance of rainfall, only about 6%. Wind will be moderate, blowing around 12mph on average and gusts of 30.2mph at 5 AM. The humidity will be on the higher side, averaging about 63%, the maximum being 76% at 8 AM and 54% being its lowest at 2 PM. Barometric pressure is its highest of 29.95inHg at 12 PM, a lowest point of 29.86inHg at 7 PM with an avg 29.9inHg.
Sidney, IL Weather – 9-5 – Sunny
90° / 74°
Sunny
It will be sunny in Sidney, with a high of 90°F and a low of 74°F. There's a moderate 36% chance of rainfall with an estimated 0.03in. Wind will be moderate, blowing around 14mph on average and gusts of 25.4mph at 10 PM. The humidity will be on the higher side, averaging about 66%, the maximum being 90% at 11 PM and 51% being its lowest at 1 PM. Barometric pressure is its highest of 29.93inHg at 11 PM, a lowest point of 29.83inHg at 6 PM with an avg 29.88inHg.
Sidney, IL Weather – 9-6 – Sunny
77° / 65°
Sunny
In Sidney, sunshine is likely with a high near 77°F and a low around 65°F. There might be light rainfall having a 17% chance with an estimated 0in. Wind will be moderate, blowing around 13mph on average and gusts of 24.4mph at 9 PM. The humidity will be on the higher side, averaging about 78%, the maximum being 95% at 6 AM and 58% being its lowest at 4 PM. Barometric pressure is its highest of 30.08inHg at 11 PM, a lowest point of 29.94inHg at 3 AM with an avg 30.01inHg.
Sidney, IL Weather – 9-7 – Sunny
76° / 60°
Sunny
In Sidney, bright and sunny conditions with highs near 76°F and lows around 60°F. There might be light rainfall having a 11% chance. Wind will be moderate, blowing around 11mph on average and gusts of 24mph at 2 AM. The humidity will be on the higher side, averaging about 76%, the maximum being 94% at 4 AM and 53% being its lowest at 2 PM. Barometric pressure is its highest of 30.15inHg at 11 AM, a lowest point of 30.07inHg at 2 AM with an avg 30.11inHg.
Sidney, IL Weather – 9-8 – Sunny
87° / 64°
Sunny
Sidney could see a sunny day with daytime highs of 87°F and nighttime lows near 64°F. There's a very small chance of rainfall, only about 10%. Wind will be moderate, blowing around 13mph on average and gusts of 30.4mph at 11 PM. The humidity will be on the higher side, averaging about 70%, the maximum being 94% at 4 AM and 46% being its lowest at 4 PM. Barometric pressure is its highest of 30.12inHg at 10 AM, a lowest point of 30inHg at 7 PM with an avg 30.07inHg.

Currently

Sunny 100°F
29.96 inHg.
Barometer
43%
Humidity
SW 14.4 mph
Wind
Sunny

5 Day Forecast Nearby

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