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Strawn, IL Weather Tomorrow

Get the forecast you need for Strawn tomorrow with an extended 5 day weather outlook featuring precipitation probability, daily and nightly weather conditions, high and low temperature trends, sunrise and sunset information, sky cover, wind speed, wind direction, and wind chill throughout the Strawn area and around Livingston county, Illinois.
Updated: Tue Sep 8th 2026 12:00 PM CDT
Strawn, IL Weather – 9-8 – Sunny
85° / 59°
Sunny
Strawn is set for a sunny day with temperatures peaking at 85°F and dipping to 59°F. There's a very small chance of rainfall, only about 9%. Winds will be light at 9mph and gusts of 23.5mph at 11 PM. The humidity will be on the higher side, averaging about 66%, the maximum being 68% at 10 PM and 40% being its lowest at 3 PM. Barometric pressure is its highest of 30.1inHg at 1 PM, a lowest point of 30.01inHg at 8 PM with an avg 30.05inHg.
Strawn, IL Weather – 9-9 – Partly Cloudy
83° / 70°

Weather Tomorrow

Partly Cloudy
Strawn could see overcast conditions with daytime highs of 83°F and nighttime lows near 70°F. Rainfall predicted to have a 57% chance with an estimated 0.06in. Wind will be moderate, blowing around 11mph on average and gusts of 26mph at 12 AM. The humidity will be on the higher side, averaging about 70%, the maximum being 90% at 11 PM and 58% being its lowest at 2 PM. Barometric pressure is its highest of 30.03inHg at 7 AM, a lowest point of 29.93inHg at 6 PM with an avg 29.98inHg.
Strawn, IL Weather – 9-10 – Overcast
77° / 64°
Overcast
In Strawn, skies will be overcast with highs near 77°F and lows around 64°F. There's a moderate 31% chance of rainfall with an estimated 0.01in. Winds will be light at 9mph and gusts of 16.8mph at 1 PM. The humidity will be on the higher side, averaging about 79%, the maximum being 94% at 7 AM and 59% being its lowest at 4 PM. Barometric pressure is its highest of 29.99inHg at 12 PM, a lowest point of 29.92inHg at 6 PM with an avg 29.96inHg.
Strawn, IL Weather – 9-11 – Sunny
82° / 59°
Sunny
In Strawn, it will be sunny with highs near 82°F and lows around 59°F. There's a very small chance of rainfall, only about 9%. Winds will be light at 10mph and gusts of 23.9mph at 10 PM. The humidity will be on the higher side, averaging about 75%, the maximum being 83% at 7 AM and 59% being its lowest at 4 PM. Barometric pressure is its highest of 29.99inHg at 1 AM, a lowest point of 29.82inHg at 5 PM with an avg 29.92inHg.
Strawn, IL Weather – 9-12 – Overcast
85° / 66°
Overcast
In Strawn, cloud-filled skies are likely with a high near 85°F and a low around 66°F. The chance of rain is 76% with an estimated 0.14in. Wind will be moderate, blowing around 12mph on average and gusts of 27.3mph at 9 AM. The humidity will be on the higher side, averaging about 79%, the maximum being 98% at 7 PM and 51% being its lowest at 4 PM. Barometric pressure is its highest of 29.97inHg at 10 PM, a lowest point of 29.85inHg at 4 AM with an avg 29.91inHg.
Strawn, IL Weather – 9-13 – Overcast
80° / 69°
Overcast
Daytime highs will reach 80°F with lows dropping to 69°F in Strawn, where it will be overcast. There might be light rainfall having a 23% chance with an estimated 0in. Winds will be light at 9mph and gusts of 13.4mph at 1 PM. The humidity will be on the higher side, averaging about 78%, the maximum being 93% at 5 AM and 59% being its lowest at 1 PM. Barometric pressure is its highest of 30.03inHg at 10 AM, a lowest point of 29.96inHg at 5 PM with an avg 29.99inHg.

Currently

Cloudy 82°F
30.11 inHg.
Barometer
44%
Humidity
S 10.8 mph
Wind
Cloudy

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