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Fiatt, IL Weather Tomorrow

Prepare for the week ahead with tomorrow's Fiatt 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 Fiatt area and around Fulton county, Illinois.
Updated: Sun Sep 13th 2026 9:00 AM CDT
Fiatt, IL Weather – 9-13 – Overcast
76° / 61°
Overcast
Overcast is in the forecast for Fiatt, with a high of 76°F and a low of 61°F. There's a moderate 36% chance of rainfall with an estimated 0.02in. Wind will be moderate, blowing around 15mph on average and gusts of 21mph at 4 PM. Humidity levels should be comfortable, sitting around 56% on average, the maximum being 65% at 11 PM and 35% being its lowest at 2 PM. Barometric pressure is its highest of 30.15inHg at 11 PM, a lowest point of 30.08inHg at 10 AM with an avg 30.1inHg.
Fiatt, IL Weather – 9-14 – Overcast
79° / 56°

Weather Tomorrow

Overcast
It will be overcast in Fiatt, with a high of 79°F and a low of 56°F. There's a very small chance of rainfall, only about 5%. Wind will be moderate, blowing around 17mph on average and gusts of 36.7mph at 11 PM. Humidity levels should be comfortable, sitting around 50% on average, the maximum being 72% at 3 AM and 30% being its lowest at 3 PM. Barometric pressure is its highest of 30.24inHg at 8 AM, a lowest point of 29.96inHg at 9 PM with an avg 30.13inHg.
Fiatt, IL Weather – 9-15 – Scattered Showers
84° / 66°
Scattered Showers
In Fiatt, on and off showers are set to occur with highs near 84°F and lows around 66°F. The chance of rain is 83% with an estimated 0.43in. Wind will be moderate, blowing around 16mph on average and gusts of 39.4mph at 3 AM. The humidity will be on the higher side, averaging about 77%, the maximum being 95% at 10 PM and 49% being its lowest at 12 AM. Barometric pressure is its highest of 30.18inHg at 11 PM, a lowest point of 29.95inHg at 4 AM with an avg 30.03inHg.
Fiatt, IL Weather – 9-16 – Scattered Showers
78° / 63°
Scattered Showers
In Fiatt, on and off showers are set to occur with highs near 78°F and lows around 63°F. The chance of rain is 84% with an estimated 0.26in. Wind will be moderate, blowing around 13mph on average and gusts of 23.4mph at 9 PM. High humidity with average of 87% is anticipated, the maximum being 97% at 10 PM and 73% being its lowest at 4 PM. Barometric pressure is its highest of 30.28inHg at 11 AM, a lowest point of 30.17inHg at 5 PM with an avg 30.22inHg.
Fiatt, IL Weather – 9-17 – Light Rain Shower
76° / 62°
Light Rain Shower
It will rain at times in Fiatt, with a high of 76°F and a low of 62°F. The chance of rain is 89% with an estimated 0.39in. Wind will be moderate, blowing around 11mph on average and gusts of 21.3mph at 4 PM. High humidity with average of 87% is anticipated, the maximum being 98% at 12 AM and 68% being its lowest at 3 PM. Barometric pressure is its highest of 30.29inHg at 9 AM, a lowest point of 30.21inHg at 1 AM with an avg 30.24inHg.
Fiatt, IL Weather – 9-18 – Sunny
80° / 61°
Sunny
Bright and sunny conditions in Fiatt, with a high of 80°F and a low of 61°F. There's a very small chance of rainfall, only about 7%. Wind will be moderate, blowing around 12mph on average and gusts of 25.5mph at 10 PM. The humidity will be on the higher side, averaging about 67%, the maximum being 91% at 7 AM and 41% being its lowest at 4 PM. Barometric pressure is its highest of 30.26inHg at 1 AM, a lowest point of 30.07inHg at 11 PM with an avg 30.19inHg.

Currently

Overcast 66°F
30.06 inHg.
Barometer
46%
Humidity
NE 10.8 mph
Wind
Overcast

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