Cook County (Chicago)
Tomorrow
Tomorrow weather in Cook County
Wednesday, February 4th, 2026
-4°
Patchy moderate snow
The weather tomorrow in Cook County will be colder than today, with max temperatures of -3°.
No rain is expected in Cook County tomorrow.
-4° / -8°
Temp
0.33 cm
Snow
10 km/h
Wind
88%
Humidity
Cook County Weather Pages
Cook County hourly forecast for tomorrow
Scroll right to see more weather forecasts for Cook County tomorrow
| 12:00 AM | 01:00 AM | 02:00 AM | 03:00 AM | 04:00 AM | 05:00 AM | 06:00 AM | 07:00 AM | 07:00 AM | 08:00 AM | 09:00 AM | 10:00 AM | 11:00 AM | 12:00 PM | 01:00 PM | 02:00 PM | 03:00 PM | 04:00 PM | 05:00 PM | 05:10 PM | 06:00 PM | 07:00 PM | 08:00 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  |  | | |  | | | |  |  | | | | | | | |  | |  |  | | | | |  | Next |
| temperatures | -4.8° | -5.1° | -5.3° | -5.5° | -5.9° | -6° | -6° | -6.1° | Sunrise | -6° | -5.8° | -5.5° | -5.2° | -4.9° | -4.7° | -4.5° | -4.1° | -3.9° | -4.2° | Sunset | -3.7° | -4.3° | -5° | -5.8° | -7° | -7.3° | |
| feels like | -8.7° | -9° | -8.2° | -8.2° | -8.3° | -8.6° | -8.7° | -8.7° | -8.5° | -8.1° | -7.2° | -6.9° | -7.3° | -7.9° | -7.9° | -7.8° | -7.9° | -8° | -7.2° | -7.7° | -8.4° | -9.2° | -10.1° | -10.8° | |||
| wind speed | 8 km/h | 4 km/h | 4 km/h | 3 km/h | 3 km/h | 5 km/h | 6 km/h | 7 km/h | 7 km/h | 9 km/h | 8 km/h | 8 km/h | 9 km/h | 10 km/h | 6 km/h | 5 km/h | 7 km/h | 6 km/h | 7 km/h | 4 km/h | 4 km/h | 6 km/h | 6 km/h | 5 km/h | |||
| wind degree | 347° | 330° | 311° | 309° | 306° | 311° | 313° | 304° | 304° | 305° | 301° | 308° | 320° | 330° | 329° | 325° | 328° | 334° | 332° | 318° | 295° | 294° | 293° | 274° | |||
| wind direction | NNW | NNW | NW | NW | NW | NW | NW | NW | NW | NW | WNW | NW | NW | NNW | NNW | NW | NNW | NNW | NNW | NW | WNW | WNW | WNW | W | |||
| Precipitation | 0 mm | 0 mm | 0 mm | 0.1 mm | 0.3 mm | 0.2 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | |||
| chance for rain | 0% | 0% | 0% | 100% | 100% | 100% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| chance for snow | 76% | 0% | 70% | 73% | 100% | 100% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| humidity | 86% | 87% | 88% | 89% | 91% | 89% | 91% | 91% | 92% | 91% | 89% | 88% | 87% | 86% | 85% | 84% | 82% | 83% | 85% | 89% | 89% | 88% | 88% | 96% | |||
| dew point | -6.6° | -6.9° | -7.1° | -7° | -7° | -7.7° | -7.3° | -7.3° | -7.2° | -7.1° | -7.1° | -6.8° | -6.7° | -6.6° | -6.6° | -6.6° | -6.2° | -6.2° | -6.5° | -4.8° | -6.5° | -7.3° | -8.1° | -8.7° | |||
| visibility | 10 km | 10 km | 10 km | 10 km | 2 km | 10 km | 2 km | 2 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 2 km | 2 km | 2 km | |||
| cloud cover | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 91% | 53% | 36% | 20% | 3% | 2% | 2% | 1% | 9% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.3 | 0.7 | 1.3 | 1.8 | 1.9 | 1.7 | 1.2 | 0.6 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Weather in Cook County tomorrow
The weather in Cook County tomorrow is expected to be noticeably cooler than usual, with a forecast temperature of -4 °F, compared to an average of 1 °F for February 4th in recent years.
temperatures
-4 °F
rain
0.6 mm
wind
10 km/h
snow
0.33 cm
Cook County Tomorrow Weather Indexes for Outdoor Activities & Health
Weather indexes for tomorrow: outdoor activities, pollen allergies, air quality (AQI), UV index and health in Cook County - Wednesday, February 4th, 2026
UV Sun Exposure Risk
Very Low
1 / 11+
Air Quality Index (AQI)
Excellent
10 / 10
Pollen Allergy Risk
Very Low
2 / 10
Asthma Risk Index
Very Low
1 / 10
Arthritis Pain Index
Low
3 / 10
Outdoor Activity Index
Good
6 / 10
Running & Jogging Index
Good
6 / 10
Cycling Weather Index
Good
6 / 10
Pet Walking Index
Good
6 / 10
Fishing Conditions Index
Excellent
9 / 10
Gardening Weather Index
Good
6 / 10
Photography Light Index
Good
6 / 10
Driving & Road Safety
Excellent
8 / 10
Construction Work Index
Fair
5 / 10
Cook County daylight overview ☀️
Tomorrow in Cook County, The sun rises at 07:00 and sets at 17:10, giving a total daylight duration of 10 hours and 10 minutes.
Top locations in Cook County
Select a location for an accurate weather forecast
More Locations Quick links
More Cook County weather pages
What to wear tomorrow in Cook County? clothing recommendations
Stay comfortably stylish - your tailored guide for tomorrow's Cook County forecast.
Thermal underwear
Sweater/Fleece
Insulated jacket
Warm pants
Warm boots
Beanie
Gloves/Mitten
Scarf
Thick socks
Umbrella
The weather tomorrow in Cook County - FAQ
What is the maximum temperature for tomorrow in Cook County?
The maximum temperature for tomorrow in Cook County is expected to be -4° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it snow tomorrow in Cook County? ❄️
Yes, there is a 15% chance of snow in Cook County tomorrow, with an expected snowfall of 0.33 cm cm. Prepare for snowy conditions and consider winter gear if you plan to be outdoors.
Will it rain tomorrow in Cook County? 🌧️
Yes, there is a 60% chance of rain in Cook County tomorrow. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed tomorrow in Cook County? 🌀
The wind in Cook County is expected to blow at 10 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Cook County tomorrow?
Given the forecast of -4 °F with a 60% chance of rain, we advise checking our "What to wear tomorrow" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in Cook County tomorrow.
What is the sunrise and sunset time for Cook County tomorrow?
The sun is expected to rise at 07:00 and set at 17:10 in Cook County.
How accurate is the weather forecast Cook County tomorrow? ✅
Cook County weather forecast for tomorrow is based on the most current and sophisticated meteorological models available. While we strive for accuracy, weather conditions can change unexpectedly, so we recommend checking for updates regularly.
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Where is Cook County?Get accurate weather forecasts for Cook County, located at latitude 41.85 and longitude -87.65. Stay updated with localized weather information tailored for Cook County.
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