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Saint Louis County (Eureka)
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United States weather

Weather in Saint Louis County, Missouri for January 2026

Your guide to Saint Louis County weather in January - trends and predictions

    Snow Forecast ❄️

  • With an average of 3 snowy days, Saint Louis County usually enjoys a light touch of snow in January.
    According to Saint Louis County snow forecast for January 2026, no snow is expected at the beginning of the month.

    • Temperatures

  • The forecast for the coming days of January 2026 predicts a temperature of 13.2 °F , which is warmer than usual.

  • In general, the average temperature in Saint Louis County at the beginning of January is 2.4 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 6 °F by the end of January.

    • Rain 🌧️

  • With an average of 3 rainy days, Saint Louis County experiences minimal rainfall in January.

    • More

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

Average dry days
25
Dry days
Average rainy days
3
Rainy days
Average snowy days
3
Snow days
Average temperatures
1°/-5°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
69 %
Avg humidity

Saint Louis County Weather January

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

Temperatures trend during January in Saint Louis County

See the weather trend as well as the moving average line

January weather in Saint Louis County day by day

Click on a date for more information
December February
Date Weather Temperatures Rain Snow More
Jan. 1 Patchy rain possible
Patchy rain possible
 9° /7° 0.7 mm 0 cm
Jan. 2 Partly cloudy
Partly cloudy
 13° /5° 0 mm 0 cm
Jan. 3 Overcast
Overcast
 4° /-1° 0 mm 0 cm
Jan. 4 Overcast
Overcast
 0° /-3° 0 mm 0 cm
Jan. 5 Ice pellets
Ice pellets
 -1° /-3° 81.3 mm 58.8 cm
Jan. 6 Moderate snow
Moderate snow
 -3° /-9° 20.5 mm 14.8 cm
Jan. 7 Freezing fog
Freezing fog
 -5° /-18° 0 mm 0 cm
Jan. 8 Freezing fog
Freezing fog
 -7° /-19° 0 mm 0 cm
Jan. 9 Partly cloudy
Partly cloudy
 3° /-7° 0 mm 0 cm
Jan. 10 Moderate snow
Moderate snow
 0° /-2° 12.7 mm 9.2 cm
Jan. 11 Overcast
Overcast
 1° /-3° 0 mm 0 cm
Jan. 12 Fog
Fog
 0° /-3° 0 mm 0 cm
Jan. 13 Partly cloudy
Partly cloudy
 -2° /-6° 0 mm 0 cm
Jan. 14 Cloudy
Cloudy
 0° /-6° 0 mm 0 cm
Jan. 15 Sunny
Sunny
 1° /-9° 0 mm 0 cm
Jan. 16 Overcast
Overcast
 0° /-1° 0 mm 0 cm
Jan. 17 Freezing fog
Freezing fog
 5° /-2° 18.7 mm 0 cm
Jan. 18 Overcast
Overcast
 4° /-6° 9 mm 0 cm
Jan. 19 Overcast
Overcast
 -5° /-11° 0 mm 0 cm
Jan. 20 Partly cloudy
Partly cloudy
 -6° /-13° 0 mm 0 cm
Jan. 21 Sunny
Sunny
 -9° /-13° 0 mm 0 cm
Jan. 22 Overcast
Overcast
 2° /-11° 0 mm 0 cm
Jan. 23 Overcast
Overcast
 -2° /-6° 0 mm 0 cm
Jan. 24 Sunny
Sunny
 0° /-10° 0 mm 0 cm
Jan. 25 Cloudy
Cloudy
 5° /-2° 0 mm 0 cm
Jan. 26 Overcast
Overcast
 0° /-3° 0 mm 0 cm
Jan. 27 Sunny
Sunny
 8° /-4° 0 mm 0 cm
Jan. 28 Sunny
Sunny
 7° /0° 0 mm 0 cm
Jan. 29 Cloudy
Cloudy
 7° /1° 0 mm 0 cm
Jan. 30 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 7° /4° 12.6 mm 0 cm
Jan. 31 Overcast
Overcast
 8° /3° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Saint Louis 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 Saint Louis County forecast closer to your planned date for the most up-to-date weather information.
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Saint Louis County in January - FAQ

What are the expected maximum and minimum temperatures in Saint Louis 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 Saint Louis County during January?
Significant rainfall exceeding 155 mm is expected in Saint Louis County during January, occurring over more than 3 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Saint Louis County in January 2026?
Saint Louis County experiences an average snowfall of 82.76 cm during January, occurring over 3 days.
What are the typical wind conditions in Saint Louis County during January?
The average wind speed in Saint Louis County during January is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

Saint Louis County snow forecast January 2026

Track daily snowfall levels and discover Saint Louis County’s snowy potential this January ❄️
On average, Saint Louis County sees 3 snowy days during January, with approximately 82.8 cm of total snowfall.

January rainfall patterns in Saint Louis County

Explore the daily rainfall trends and prepare for Saint Louis Countys January weather 💧
Typically, Saint Louis County has 3 rainy days in January with a total of 155 mm of rainfall.
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Location coordinates Where is Saint Louis County?

Get accurate weather forecasts for Saint Louis County, located at latitude 38.503 and longitude -90.628. Stay updated with localized weather information tailored for Saint Louis County.

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