The Northwest Illinois Calendar

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Festivals, concerts, markets and main-street traditions across all four counties.

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72 eventsAugust 2026Subscribe to calendar

Events in August 2026, by day
Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday
26Sunday, July 26	27Monday, July 27	28Tuesday, July 28	29Wednesday, July 29	30Thursday, July 30	31Friday, July 31	1Saturday, August 1
2Sunday, August 2	3Monday, August 3	4Tuesday, August 4	5Wednesday, August 5	6Thursday, August 6	7Friday, August 7	8Saturday, August 8
9Sunday, August 9	10Monday, August 10	11Tuesday, August 11	12Wednesday, August 12 Dan Grossmann - Lowden Gallery10:00 AM – 5:00 PM Still Lifes: Objects of Affection at The Coliseum10:00 AM – 5:00 PM The Art of Tom Heflin at the Coliseum10:00 AM – 5:00 PM	13Thursday, August 13 Dan Grossmann - Lowden Gallery10:00 AM – 5:00 PM Still Lifes: Objects of Affection at The Coliseum10:00 AM – 5:00 PM The Art of Tom Heflin at the Coliseum10:00 AM – 5:00 PM	14Friday, August 14 Dan Grossmann - Lowden Gallery10:00 AM – 5:00 PM Still Lifes: Objects of Affection at The Coliseum10:00 AM – 5:00 PM The Art of Tom Heflin at the Coliseum10:00 AM – 5:00 PM +3 more Music at the Square: Steve Catron5:30 PM – 7:00 PM Music at the Square Summer Series5:30 PM – 7:00 PM Lincoln Highway Heritage Festival6:00 PM – 10:00 PM	15Saturday, August 15 Twin City Farmers Market8:00 AM – 12:00 PM Nachusa Grasslands August Nature Tours10:00 AM – 12:00 PM Lincoln Highway Heritage Festival10:00 AM – 10:00 PM +5 more Dan Grossmann - Lowden Gallery10:00 AM – 5:00 PM Still Lifes: Objects of Affection at The Coliseum10:00 AM – 5:00 PM The Art of Tom Heflin at the Coliseum10:00 AM – 5:00 PM Rock Falls Aqua Palooza & River Chase10:30 AM Rock Falls River Chase10:30 AM – 5:00 PM
16Sunday, August 16 Rock Falls Aqua Palooza & River Chase10:30 AM Nachusa Grasslands August Nature Tours10:00 AM – 12:00 PM Rock Falls River Chase10:30 AM – 5:00 PM +1 more Lincoln Highway Heritage Festival11:00 AM – 6:00 PM	17Monday, August 17	18Tuesday, August 18 Whiteside County FairAll day Whiteside County Fair8:30 AM – 10:00 PM	19Wednesday, August 19 Whiteside County FairAll day Whiteside County Fair8:30 AM – 10:00 PM Dan Grossmann - Lowden Gallery10:00 AM – 5:00 PM +2 more Still Lifes: Objects of Affection at The Coliseum10:00 AM – 5:00 PM The Art of Tom Heflin at the Coliseum10:00 AM – 5:00 PM	20Thursday, August 20 Whiteside County FairAll day Golf Cart Tours8:00 AM – 10:00 AM Whiteside County Fair8:30 AM – 10:00 PM +3 more Dan Grossmann - Lowden Gallery10:00 AM – 5:00 PM Still Lifes: Objects of Affection at The Coliseum10:00 AM – 5:00 PM The Art of Tom Heflin at the Coliseum10:00 AM – 5:00 PM	21Friday, August 21 Whiteside County FairAll day Whiteside County Fair8:30 AM – 10:00 PM Dan Grossmann - Lowden Gallery10:00 AM – 5:00 PM +3 more Still Lifes: Objects of Affection at The Coliseum10:00 AM – 5:00 PM The Art of Tom Heflin at the Coliseum10:00 AM – 5:00 PM Music at the Square Summer Series5:30 PM – 7:00 PM	22Saturday, August 22 Whiteside County FairAll day Twin City Farmers Market8:00 AM – 12:00 PM Golf Cart Tours8:00 AM – 10:00 AM +6 more Whiteside County Fair8:30 AM – 10:00 PM Nachusa Grasslands August Nature Tours10:00 AM – 12:00 PM Dan Grossmann - Lowden Gallery10:00 AM – 5:00 PM Still Lifes: Objects of Affection at The Coliseum10:00 AM – 5:00 PM The Art of Tom Heflin at the Coliseum10:00 AM – 5:00 PM Grease Fan Event3:00 PM – 9:00 PM
23Sunday, August 23	24Monday, August 24	25Tuesday, August 25	26Wednesday, August 26 The Art of Tom Heflin at the Coliseum10:00 AM – 5:00 PM All the World's a Stage Art Exhibition10:00 AM – 4:00 PM Dan Grossmann - Lowden Gallery10:00 AM – 5:00 PM +1 more Still Lifes: Objects of Affection at The Coliseum10:00 AM – 5:00 PM	27Thursday, August 27 Amboy Depot DaysAll day The Art of Tom Heflin at the Coliseum10:00 AM – 5:00 PM All the World's a Stage Art Exhibition10:00 AM – 4:00 PM +3 more Dan Grossmann - Lowden Gallery10:00 AM – 5:00 PM Still Lifes: Objects of Affection at The Coliseum10:00 AM – 5:00 PM Amboy Depot Days5:00 PM – 9:30 PM	28Friday, August 28 Amboy Depot DaysAll day Amboy Depot Days8:00 AM The Art of Tom Heflin at the Coliseum10:00 AM – 5:00 PM +5 more All the World's a Stage Art Exhibition10:00 AM – 4:00 PM Dan Grossmann - Lowden Gallery10:00 AM – 5:00 PM Still Lifes: Objects of Affection at The Coliseum10:00 AM – 5:00 PM Music at the Square Summer Series5:30 PM – 7:00 PM Opening Reception: All the World's A Stage6:00 PM – 8:00 PM	29Saturday, August 29 Amboy Depot DaysAll day Amboy Depot Days8:00 AM Twin City Farmers Market8:00 AM – 12:00 PM +6 more Amboy Depot Days8:00 AM The Art of Tom Heflin at the Coliseum10:00 AM – 5:00 PM Nachusa Grasslands August Nature Tours10:00 AM – 12:00 PM Art in the Park Sculpture Walk & Outdoor Art Gallery10:00 AM – 4:00 PM Dan Grossmann - Lowden Gallery10:00 AM – 5:00 PM Still Lifes: Objects of Affection at The Coliseum10:00 AM – 5:00 PM
30Sunday, August 30 Amboy Depot DaysAll day Amboy Depot Days8:00 AM Amboy Depot Days6:00 AM – 5:00 PM	31Monday, August 31	1Tuesday, September 1 Plein Air Art Exhibition at The Coliseum10:00 AM	2Wednesday, September 2 Plein Air Art Exhibition at The Coliseum10:00 AM All the World's a Stage Art Exhibition10:00 AM – 4:00 PM Still Lifes: Objects of Affection at The Coliseum10:00 AM – 5:00 PM	3Thursday, September 3 Plein Air Art Exhibition at The Coliseum10:00 AM Golf Cart Tours8:00 AM – 10:00 AM Les Allen - Taft Gallery10:00 AM – 5:00 PM +2 more All the World's a Stage Art Exhibition10:00 AM – 4:00 PM Still Lifes: Objects of Affection at The Coliseum10:00 AM – 5:00 PM	4Friday, September 4 Plein Air Art Exhibition at The Coliseum10:00 AM All the World's a Stage Art Exhibition10:00 AM – 4:00 PM Still Lifes: Objects of Affection at The Coliseum10:00 AM – 5:00 PM +1 more Rally on the Rock - Cruise In6:00 PM – 8:00 PM	5Saturday, September 5 Plein Air Art Exhibition at The Coliseum10:00 AM Twin City Farmers Market8:00 AM – 12:00 PM All the World's a Stage Art Exhibition10:00 AM – 4:00 PM +1 more Still Lifes: Objects of Affection at The Coliseum10:00 AM – 5:00 PM

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