Garden Prairie, IL Weather Tomorrow

Prepare for the week ahead with tomorrow's Garden Prairie weather forecast and a complete 5 day outlook covering precipitation chances, day and night conditions, high and low temperatures in Fahrenheit and Celsius, sunrise, sunset, sky conditions, wind chill, and wind speed with direction throughout the Garden Prairie area and around Boone county, Illinois.
Updated: Sun Sep 20th 2026 1:30 PM CDT
Garden Prairie, IL Weather – 9-20 – Light Rain Shower
68° / 59°
Light Rain Shower
Rain is in the forecast for Garden Prairie, with a high of 68°F and a low of 59°F. The chance of rain is 93% with an estimated 2.85in. Wind will be moderate, blowing around 17mph on average and gusts of 31.6mph at 7 PM. High humidity with average of 95% is anticipated, the maximum being 96% at 2 PM and 88% being its lowest at 10 PM. Barometric pressure is its highest of 30.07inHg at 9 PM, a lowest point of 29.99inHg at 2 PM with an avg 30.03inHg.
Garden Prairie, IL Weather – 9-21 – Overcast
59° / 55°

Weather Tomorrow

Overcast
In Garden Prairie, it will be overcast with highs near 59°F and lows around 55°F. Rainfall predicted to have a 58% chance with an estimated 0.03in. Wind will be moderate, blowing around 16mph on average and gusts of 29.5mph at 2 AM. The humidity will be on the higher side, averaging about 79%, the maximum being 92% at 12 AM and 73% being its lowest at 11 PM. Barometric pressure is its highest of 30.17inHg at 10 PM, a lowest point of 30.07inHg at 12 AM with an avg 30.12inHg.
Garden Prairie, IL Weather – 9-22 – Overcast
58° / 52°
Overcast
Cloud-filled skies are in the forecast for Garden Prairie, with a high of 58°F and a low of 52°F. There might be light rainfall having a 15% chance with an estimated 0in. Wind will be moderate, blowing around 14mph on average and gusts of 25.5mph at 12 AM. The humidity will be on the higher side, averaging about 68%, the maximum being 75% at 11 PM and 61% being its lowest at 3 PM. Barometric pressure is its highest of 30.3inHg at 8 PM, a lowest point of 30.17inHg at 12 AM with an avg 30.25inHg.
Garden Prairie, IL Weather – 9-23 – Sunny
60° / 51°
Sunny
Daytime highs will reach 60°F with lows dropping to 51°F in Garden Prairie, where bright and sunny conditions. There might be light rainfall having a 23% chance with an estimated 0in. Wind will be moderate, blowing around 13mph on average and gusts of 26.2mph at 12 AM. High humidity with average of 84% is anticipated, the maximum being 95% at 7 AM and 76% being its lowest at 12 AM. Barometric pressure is its highest of 30.37inHg at 9 PM, a lowest point of 30.3inHg at 12 AM with an avg 30.34inHg.
Garden Prairie, IL Weather – 9-24 – Overcast
65° / 52°
Overcast
In Garden Prairie, skies will be overcast with highs near 65°F and lows around 52°F. There might be light rainfall having a 25% chance with an estimated 0in. Wind will be moderate, blowing around 13mph on average and gusts of 24.9mph at 8 AM. The humidity will be on the higher side, averaging about 79%, the maximum being 94% at 10 PM and 57% being its lowest at 12 PM. Barometric pressure is its highest of 30.38inHg at 10 AM, a lowest point of 30.18inHg at 4 PM with an avg 30.33inHg.
Garden Prairie, IL Weather – 9-25 – Scattered Showers
63° / 54°
Scattered Showers
In Garden Prairie, showers likely at times with highs near 63°F and lows around 54°F. There's a moderate 48% chance of rainfall with an estimated 0.02in. Winds will be light at 9mph and gusts of 14.3mph at 12 AM. High humidity with average of 88% is anticipated, the maximum being 95% at 10 PM and 77% being its lowest at 1 PM. Barometric pressure is its highest of 30.35inHg at 12 AM, a lowest point of 30.18inHg at 4 PM with an avg 30.21inHg.

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