Will County (Joliet)
January
Weather in Will County for January 2026
Your guide to Will County weather in January - trends and predictions
Will County typically experiences moderate snowfall in January, with an average of 9 snowy days.
In general, the average temperature in Will County at the beginning of January is 0.4 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 3.4 °F by the end of January.
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Snow Forecast ❄️
Temperatures
More
17
Dry days
5
Rainy days
9
Snow days
-1°/-6°
Temperatures
20 km/h
Avg max wind
87 %
Avg humidity
Will County Weather January
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  1° | 2  2° | 3  0° | ||||
| 4  -1° | 5  -0° | 6  1° | 7 -0° | 8 -2° | 9 0° | 10 -0° |
| 11 -1° | 12 1° | 13  -1° | 14 -10° | 15 -9° | 16 -7° | 17 -4° |
| 18  -3° | 19 -9° | 20 -10° | 21  -10° | 22 -2° | 23 -1° | 24  -1° |
| 25  1° | 26  1° | 27 2° | 28  4° | 29 6° | 30 5° | 31 5° |
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Temperatures trend during January in Will County
See the weather trend as well as the moving average line
January weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 | Partly cloudy | 1° /-2° | 0 mm | 0 cm | |
| Jan. 2 | Overcast | 2° /-3° | 0 mm | 0 cm | |
| Jan. 3 | Light freezing rain | 0° /-4° | 0 mm | 0 cm | |
| Jan. 4 | Sunny | -1° /-7° | 0 mm | 0 cm | |
| Jan. 5 | Light snow | 0° /-5° | 0 mm | 0 cm | |
| Jan. 6 | Heavy snow | 1° /-3° | 2 mm | 1.6 cm | |
| Jan. 7 | Overcast | 0° /-5° | 0.1 mm | 0 cm | |
| Jan. 8 | Light freezing rain | -2° /-6° | 0.7 mm | 0.5 cm | |
| Jan. 9 | Heavy snow | 0° /-5° | 7.8 mm | 3.6 cm | |
| Jan. 10 | Light freezing rain | 0° /-5° | 3.7 mm | 2.4 cm | |
| Jan. 11 | Light snow | -1° /-6° | 0.4 mm | 0.3 cm | |
| Jan. 12 | Heavy snow | 1° /-4° | 14.4 mm | 10.6 cm | |
| Jan. 13 | Blizzard | -1° /-12° | 2 mm | 0 cm | |
| Jan. 14 | Light freezing rain | -10° /-16° | 0.1 mm | 0 cm | |
| Jan. 15 | Overcast | -9° /-18° | 0 mm | 0 cm | |
| Jan. 16 | Partly cloudy | -7° /-16° | 0 mm | 0 cm | |
| Jan. 17 | Overcast | -4° /-10° | 0 mm | 0 cm | |
| Jan. 18 | Moderate snow | -3° /-11° | 0.6 mm | 0.5 cm | |
| Jan. 19 | Moderate snow | -9° /-16° | 0.7 mm | 0.6 cm | |
| Jan. 20 | Partly cloudy | -10° /-19° | 0 mm | 0 cm | |
| Jan. 21 | Freezing fog | -10° /-20° | 0 mm | 0 cm | |
| Jan. 22 | Heavy snow | -2° /-11° | 2 mm | 0.4 cm | |
| Jan. 23 | Light freezing rain | -1° /-5° | 6 mm | 0 cm | |
| Jan. 24 | Light rain | -1° /-8° | 2.8 mm | 0 cm | |
| Jan. 25 | Moderate rain | 1° /-4° | 4.2 mm | 0 cm | |
| Jan. 26 | Fog | 1° /-4° | 1.2 mm | 0 cm | |
| Jan. 27 | Fog | 2° /-4° | 0.4 mm | 0 cm | |
| Jan. 28 | Patchy rain possible | 4° /-2° | 0.2 mm | 0 cm | |
| Jan. 29 | Partly cloudy | 6° /-2° | 0 mm | 0 cm | |
| Jan. 30 | Moderate snow | 5° /-1° | 0.3 mm | 0.1 cm | |
| Jan. 31 | Sunny | 5° /0° | 0.9 mm | 0 cm | |
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Important Notice
Our weather forecast for Will County in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Will County forecast closer to your planned date for the most up-to-date weather information.
Will County in January - FAQ
What are the expected maximum and minimum temperatures in Will County during January?
Brace for cold days with temperatures not exceeding -1° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Will County during January?
Moderate rainfall is anticipated in Will County during January, with a total of 92.4 mm spread over approximately 5 days. Considering plans for rainy days is advisable.
Will it snow in Will County in January 2026?
Will County experiences an average snowfall of 36.31 cm during January, occurring over 9 days.
What are the typical wind conditions in Will County during January?
The average wind speed in Will County during January is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
Will County snow forecast January 2026
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January rainfall patterns in Will County
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Where is Will County?Get accurate weather forecasts for Will County, located at latitude 41.525 and longitude -88.083. Stay updated with localized weather information tailored for Will County.
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