MDW NWS Chicago Forecast Matrix

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National Weather Service Chicago, IL
Weather Impact Matrix for MDW Midway Airport
Valid: 09/24/2023 06 PM - 09/25/2023 04 AM CDT
Call 1-815-834-0651 for additional weather support

	Sun 09/24 6 PM	Sun 09/24 7 PM	Sun 09/24 8 PM	Sun 09/24 9 PM	Sun 09/24 10 PM	Sun 09/24 11 PM	Mon 09/25 12 AM	Mon 09/25 1 AM	Mon 09/25 2 AM	Mon 09/25 3 AM	Mon 09/25 4 AM
Temperature	71°F	71°F	70°F	69°F	69°F	68°F	67°F	66°F	66°F	65°F	64°F
Wind Chill	71°F	71°F	70°F	69°F	69°F	68°F	67°F	66°F	66°F	65°F	64°F
Wind Speed	8 mph	6 mph	5 mph	5 mph	5 mph	5 mph	6 mph	6 mph	6 mph	8 mph	8 mph
Wind Direction	80	80	80	90	100	100	120	130	130	130	130
Wind Gust	12 mph	11 mph	9 mph	8 mph	8 mph	8 mph	9 mph	9 mph	9 mph	10 mph	9 mph
Chance of Precipitation	2%	8%	11%	15%	20%	20%	20%	20%	20%	19%	19%
Weather	None	None	None	Rain	Rain	Rain	Rain	Rain	Rain	Rain	Rain
Sky Cover	71%	69%	66%	64%	65%	64%	59%	57%	55%	61%	62%
Lightning Activity Level	1	1	1	1	1	1	1	1	1	1	1

Issued: Sunday September 24, 2023 06:05 PM CDT

Threat Level	None	Limited	Elevated	Significant	Extreme
Temperature	≥100 °F	100 to 96 °F	95 to 91 °F	90 to 86 °F	≤85 °F
Wind Chill	≥105 °F	105 to 101 °F	100 to 96 °F	95 to 91 °F	≤90 °F
Wind Speed	≤20 mph	20 to 24 mph	25 to 29 mph	30 to 39 mph	≥40 mph
Wind Gust	≤30 mph	30 to 34 mph	35 to 44 mph	45 to 59 mph	≥60 mph
Chance of Precipitation	≤15 %	15 to 24 %	25 to 54 %	55 to 74 %	≥75 %
Sky Cover	≤20 %	20 to 39 %	40 to 59 %	60 to 79 %	≥80 %
Lightning Activity Level	≥5	5 to 5	4 to 4	3 to 3	≤2

Note -

Grey color indicates no thresholds assigned