McCook, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Mostly Clear 87°F 31°C Heat Index: 96°F	Observed at: McCook, IL	Elevation: 974 ft | 297 m
	Last Updated: July 26, 7:45 PM Timezone: GMT -5/-4
	Sky Conditions: Mostly Clear	Temperature: 87°F | 31°C
	Pressure: 29.19 in | 988.5 mb	Dewpoint: 75°F | 24°C
	Humidity: 67%	Wind: SW 5 mph | SW 8 kph
	Feels Like: 95°F | 35°C	Visibility: 51.2 mi | 82.3 km
	Lat/Long: 41.7978 | -87.8447	Sunrise: 5:39 AM   Sunset: 8:15 PM

7 Day Graphical Forecast

Valid: 11:33 AM 7/28/2026

Today Overcast 90 |71 °F 32 |22 °C 2% Chance Precipitation Monday Heavy Showers 97 |76 °F 36 |25 °C 46% Chance Precipitation Tuesday Overcast 84 |70 °F 29 |21 °C 8% Chance Precipitation Wednesday Mostly Clear 89 |67 °F 32 |19 °C 1% Chance Precipitation Thursday Overcast 88 |70 °F 31 |21 °C 10% Chance Precipitation Friday Rain 75 |67 °F 24 |20 °C 38% Chance Precipitation Saturday Drizzle 84 |67 °F 29 |20 °C 29% Chance Precipitation

7 Hour Graphical Forecast

Valid: 11:33 AM 7/28/2026

11 AM Partly Cloudy 78 °F 4% Chance Precipitation

12 PM Clear 81 °F 4% Chance Precipitation

1 PM Clear 83 °F 4% Chance Precipitation

2 PM Partly Cloudy 84 °F 0% Chance Precipitation

3 PM Partly Cloudy 83 °F 0% Chance Precipitation

4 PM Mostly Clear 83 °F 0% Chance Precipitation

5 PM Overcast 81 °F 0% Chance Precipitation

7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index

7 Day & Night Weather Forecast for McCook, IL - (Fahrenheit & Celsius) Valid: 11:33 AM 7/28/2026 Today Overcast with a high near 90°F [32°C]. SSW wind to around 7 mph [11 kph], with gusts to near 15 mph [24 kph]. Dewpoint near 75°F [24°C] with humidity of 95%. Pressure around 29.19 in [988.5 mb]. UV Index: 6.5. Chance of precipitation 2% with QPF of 0.00 in [0.0 mm]. Tonight Overcast with a low around 71°F [22°C]. SSW wind to around 7 mph [11 kph], with gusts to near 15 mph [24 kph]. Chance of precipitation 2% with QPF of 0.00 in [0.0 mm]. Monday Heavy Showers with a high near 97°F [36°C]. SW wind to around 17 mph [27 kph], with gusts to near 37 mph [60 kph]. Dewpoint near 75°F [24°C] with humidity of 95%. Pressure around 29.19 in [988.5 mb]. UV Index: 7.4. Chance of precipitation 46% with QPF of 0.33 in [8.3 mm]. Monday Night Heavy Showers with a low around 76°F [25°C]. SW wind to around 17 mph [27 kph], with gusts to near 37 mph [60 kph]. Chance of precipitation 46% with QPF of 0.33 in [8.3 mm]. Tuesday Overcast with a high near 84°F [29°C]. NNE wind to around 12 mph [20 kph], with gusts to near 27 mph [43 kph]. Dewpoint near 75°F [24°C] with humidity of 94%. Pressure around 29.19 in [988.5 mb]. UV Index: 7.25. Chance of precipitation 8% with QPF of 0.00 in [0.0 mm]. Tuesday Night Overcast with a low around 70°F [21°C]. NNE wind to around 12 mph [20 kph], with gusts to near 27 mph [43 kph]. Chance of precipitation 8% with QPF of 0.00 in [0.0 mm]. Wednesday Mostly Clear with a high near 89°F [32°C]. NNE wind to around 7 mph [12 kph], with gusts to near 23 mph [37 kph]. Dewpoint near 75°F [24°C] with humidity of 66%. Pressure around 29.19 in [988.5 mb]. UV Index: 7.35. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Wednesday Night Mostly Clear with a low around 67°F [19°C]. NNE wind to around 7 mph [12 kph], with gusts to near 23 mph [37 kph]. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Thursday Overcast with a high near 88°F [31°C]. SW wind to around 9 mph [15 kph], with gusts to near 10 mph [15 kph]. Dewpoint near 75°F [24°C] with humidity of 83%. Pressure around 29.19 in [988.5 mb]. UV Index: 7.3. Chance of precipitation 10% with QPF of 0.00 in [0.0 mm]. Thursday Night Overcast with a low around 70°F [21°C]. SW wind to around 9 mph [15 kph], with gusts to near 10 mph [15 kph]. Chance of precipitation 10% with QPF of 0.00 in [0.0 mm]. Friday Rain with a high near 75°F [24°C]. S wind to around 7 mph [11 kph], with gusts to near 16 mph [25 kph]. Dewpoint near 75°F [24°C] with humidity of 98%. Pressure around 29.19 in [988.5 mb]. UV Index: 1.2. Chance of precipitation 38% with QPF of 0.77 in [19.6 mm]. Friday Night Rain with a low around 67°F [20°C]. S wind to around 7 mph [11 kph], with gusts to near 16 mph [25 kph]. Chance of precipitation 38% with QPF of 0.77 in [19.6 mm]. Saturday Drizzle with a high near 84°F [29°C]. NE wind to around 8 mph [14 kph], with gusts to near 21 mph [34 kph]. Dewpoint near 75°F [24°C] with humidity of 98%. Pressure around 29.19 in [988.5 mb]. UV Index: 6.05. Chance of precipitation 29% with QPF of 0.08 in [1.9 mm]. Saturday Night Drizzle with a low around 67°F [20°C]. NE wind to around 8 mph [14 kph], with gusts to near 21 mph [34 kph]. Chance of precipitation 29% with QPF of 0.08 in [1.9 mm].

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7 Day and Night - QPF Forecast for McCook, IL

Today: 0.0 mm | 0.00 in

Tonight: 0.0 mm | 0.00 in

Monday: 8.3 mm | 0.33 in

Monday Night: 8.3 mm | 0.33 in

Tuesday: 0.0 mm | 0.00 in

Tuesday Night: 0.0 mm | 0.00 in

Wednesday: 0.0 mm | 0.00 in

Wednesday Night: 0.0 mm | 0.00 in

Thursday: 0.0 mm | 0.00 in

Thursday Night: 0.0 mm | 0.00 in

Friday: 19.6 mm | 0.77 in

Friday Night: 19.6 mm | 0.77 in

Saturday: 1.9 mm | 0.08 in

Saturday Night: 1.9 mm | 0.08 in

7 Day and Night - Maximum Wind Speed Forecast for McCook, IL

Today: SSW @ 11 kph | 7 mph

Tonight: SSW @ 11 kph | 7 mph

Monday: SW @ 27 kph | 17 mph

Monday Night: SW @ 27 kph | 17 mph

Tuesday: NNE @ 20 kph | 12 mph

Tuesday Night: NNE @ 20 kph | 12 mph

Wednesday: NNE @ 12 kph | 7 mph

Wednesday Night: NNE @ 12 kph | 7 mph

Thursday: SW @ 15 kph | 9 mph

Thursday Night: SW @ 15 kph | 9 mph

Friday: S @ 11 kph | 7 mph

Friday Night: S @ 11 kph | 7 mph

Saturday: NE @ 14 kph | 8 mph

Saturday Night: NE @ 14 kph | 8 mph

7 Day and Night - Maximum Humidity Forecast for McCook, IL

Today: 95 %

Tonight: 95 %

Monday: 95 %

Monday Night: 95 %

Tuesday: 94 %

Tuesday Night: 94 %

Wednesday: 66 %

Wednesday Night: 66 %

Thursday: 83 %

Thursday Night: 83 %

Friday: 98 %

Friday Night: 98 %

Saturday: 98 %

Saturday Night: 98 %

7 Day and Night - Snowfall Totals Forecast for McCook, IL

Today: 0.0 cm | 0.00 in

Tonight: 0.0 cm | 0.00 in

Monday: 0.0 cm | 0.00 in

Monday Night: 0.0 cm | 0.00 in

Tuesday: 0.0 cm | 0.00 in

Tuesday Night: 0.0 cm | 0.00 in

Wednesday: 0.0 cm | 0.00 in

Wednesday Night: 0.0 cm | 0.00 in

Thursday: 0.0 cm | 0.00 in

Thursday Night: 0.0 cm | 0.00 in

Friday: 0.0 cm | 0.00 in

Friday Night: 0.0 cm | 0.00 in

Saturday: 0.0 cm | 0.00 in

Saturday Night: 0.0 cm | 0.00 in

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