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Weather in McLean County, Illinois for January 2026

Your guide to McLean County weather in January - trends and predictions

    Snow Forecast ❄️

  • With an average of 5 snowy days, McLean County usually enjoys a light touch of snow in January.
    According to McLean County snow forecast for January 2026, 3 snowy days are expected in the next 2 weeks. The closest date with snow is Friday, January 16.

    • Temperatures

  • So far, January 2026 in McLean County shows a warmer trend than usual by 3 °F.

  • The forecast for the next days in McLean County predicts temperatures to be around 0 °F, close to the historical average.

  • In general, the average temperature in McLean County at the beginning of January is -0.3 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 3.4 °F by the end of January.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
24
Dry days
Average rainy days
2
Rainy days
Average snowy days
5
Snow days
Average temperatures
-2°/-9°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
73 %
Avg humidity

McLean County Weather January

Move between months or click on a day
December
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
-1°
2
Cloudy
0°
3
Overcast
1°
4
Overcast
-2°
5
Light freezing rain
-2°
6
Moderate or heavy snow showers
1°
7
Overcast
1°
8
Overcast
3°
9
Cloudy
7°
10
Patchy moderate snow
1°
11
Partly cloudy
0°
12
Patchy moderate snow
3°
13
Sunny
13°
14
Overcast
2°
15
Partly cloudy
-3°
16
Moderate snow
1°
17
Blizzard
-7°
18
Partly cloudy
-8°
19
Sunny
1°
20
Partly cloudy
3°
21
Light freezing rain
0°
22
Light freezing rain
-2°
23
Moderate or heavy snow showers
-3°
24
Light rain
2°
25
Patchy rain possible
6°
26
Overcast
-2°
27
Sunny
3°
28
Partly cloudy
4°
29
Overcast
5°
30
Patchy rain possible
5°
31
Fog
3°

Temperatures trend during January in McLean County

See the weather trend as well as the moving average line

January weather in McLean County day by day

Click on a date for more information
December February
Date Weather Temperatures Rain Snow More
Jan. 1 Sunny
Sunny
 -1° /-8° 0 mm 0 cm
Jan. 2 Cloudy
Cloudy
 0° /-4° 0 mm 0 cm
Jan. 3 Overcast
Overcast
 1° /-3° 0 mm 0 cm
Jan. 4 Overcast
Overcast
 -2° /-7° 0 mm 0 cm
Jan. 5 Light freezing rain
Light freezing rain
 -2° /-4° 2.6 mm 0.9 cm
Jan. 6 Moderate or heavy snow showers
Moderate or heavy snow showers
 1° /-3° 10.3 mm 7.4 cm
Jan. 7 Overcast
Overcast
 1° /-5° 0 mm 0 cm
Jan. 8 Overcast
Overcast
 3° /-6° 5.6 mm 0 cm
Jan. 9 Cloudy
Cloudy
 7° /-4° 5 mm 0 cm
Jan. 10 Patchy moderate snow
Patchy moderate snow
 1° /-3° 3.2 mm 1 cm
Jan. 11 Partly cloudy
Partly cloudy
 0° /-5° 0 mm 0 cm
Jan. 12 Patchy moderate snow
Patchy moderate snow
 3° /-3° 1.1 mm 0.4 cm
Jan. 13 Sunny
Sunny
 13° /1° 0 mm 0 cm
Jan. 14 Overcast
Overcast
 2° /-6° 0 mm 0 cm
Jan. 15 Partly cloudy
Partly cloudy
 -3° /-9° 0 mm 0 cm
Jan. 16 Moderate snow
Moderate snow
 1° /-6° 1 mm 0.6 cm
Jan. 17 Blizzard
Blizzard
 -7° /-14° 1.5 mm 0.8 cm
Jan. 18 Partly cloudy
Partly cloudy
 -8° /-17° 0 mm 0 cm
Jan. 19 Sunny
Sunny
 1° /-7° 0 mm 0 cm
Jan. 20 Partly cloudy
Partly cloudy
 3° /-4° 0 mm 0 cm
Jan. 21 Light freezing rain
Light freezing rain
 0° /-6° 0.3 mm 0 cm
Jan. 22 Light freezing rain
Light freezing rain
 -2° /-4° 3.7 mm 0 cm
Jan. 23 Moderate or heavy snow showers
Moderate or heavy snow showers
 -3° /-6° 1.8 mm 0 cm
Jan. 24 Light rain
Light rain
 2° /-1° 3.8 mm 0 cm
Jan. 25 Patchy rain possible
Patchy rain possible
 6° /-2° 1.3 mm 0 cm
Jan. 26 Overcast
Overcast
 -2° /-6° 0 mm 0 cm
Jan. 27 Sunny
Sunny
 3° /-8° 0 mm 0 cm
Jan. 28 Partly cloudy
Partly cloudy
 4° /-3° 0 mm 0 cm
Jan. 29 Overcast
Overcast
 5° /-1° 0 mm 0 cm
Jan. 30 Patchy rain possible
Patchy rain possible
 5° /0° 3.5 mm 0 cm
Jan. 31 Fog
Fog
 3° /0° 0 mm 0 cm
Next
Important Notice
Our weather forecast for McLean 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 McLean County forecast closer to your planned date for the most up-to-date weather information.
Change Month
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McLean County in January - FAQ

What are the expected maximum and minimum temperatures in McLean County during January?

Brace for cold days with temperatures not exceeding -2° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.

How much rainfall should be expected in McLean County during January?

In January, McLean County can expect light to moderate rainfall, totaling 39.9 mm across approximately 2 days. Occasional showers are possible, and planning ahead for them could be helpful.

Will it snow in McLean County in January 2026?

McLean County experiences an average snowfall of 20.1 cm during January, occurring over 5 days.

What are the typical wind conditions in McLean County during January?

The average wind speed in McLean County during January is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

McLean County snow forecast January 2026

Track daily snowfall levels and discover McLean County’s snowy potential this January ❄️
On average, McLean County sees 5 snowy days during January, with approximately 20.1 cm of total snowfall.

January rainfall patterns in McLean County

Explore the daily rainfall trends and prepare for McLean Countys January weather 💧
Typically, McLean County has 2 rainy days in January with a total of 39.9 mm of rainfall.
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Bloomington
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Location coordinates Where is McLean County?

Get accurate weather forecasts for McLean County, located at latitude 40.484 and longitude -88.994. Stay updated with localized weather information tailored for McLean County.

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