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Twin Falls County (Twin Falls)
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Weather in Twin Falls County, Idaho for January 2026

Your guide to Twin Falls County weather in January - trends and predictions

    Official Weather Alert ⚠️

  • Air Stagnation Advisory - See hour by hour.

    • Snow Forecast ❄️

  • With an average of 2 snowy days, Twin Falls County usually enjoys a light touch of snow in January.
    According to Twin Falls County snow forecast for January 2026, no snow is expected until the end of the month.

    • Temperatures

  • So far, January 2026 in Twin Falls County is slightly warmer than the historical average by 1.1 °F.

  • The forecast for the upcoming days in Twin Falls County predicts a temperature of 7.6 °F, which is slightly above the historical average.

  • In general, the average temperature in Twin Falls County at the beginning of January is 5.9 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 6.9 °F by the end of January.

    • Rain 🌧️

  • With an average of 4 rainy days, Twin Falls 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
4
Rainy days
Average snowy days
2
Snow days
Average temperatures
2°/-5°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Twin Falls County Weather January

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

Temperatures trend during January in Twin Falls County

See the weather trend as well as the moving average line

January weather in Twin Falls County day by day

Click on a date for more information
December February
Date Weather Temperatures Rain Snow More
Jan. 1 Heavy snow
Heavy snow
 6° /1° 9.7 mm 4.1 cm
Jan. 2 Overcast
Overcast
 8° /2° 5.9 mm 0 cm
Jan. 3 Overcast
Overcast
 7° /0° 0 mm 0 cm
Jan. 4 Moderate snow
Moderate snow
 6° /2° 4.1 mm 0.8 cm
Jan. 5 Light freezing rain
Light freezing rain
 6° /0° 5.5 mm 2.2 cm
Jan. 6 Patchy rain possible
Patchy rain possible
 5° /0° 4.4 mm 1.4 cm
Jan. 7 Cloudy
Cloudy
 3° /-1° 2 mm 0.8 cm
Jan. 8 Overcast
Overcast
 2° /-4° 0 mm 0 cm
Jan. 9 Overcast
Overcast
 1° /-3° 0 mm 0 cm
Jan. 10 Overcast
Overcast
 4° /-4° 0.2 mm 0 cm
Jan. 11 Cloudy
Cloudy
 2° /-4° 0 mm 0 cm
Jan. 12 Overcast
Overcast
 3° /-4° 0 mm 0 cm
Jan. 13 Overcast
Overcast
 2° /-3° 0 mm 0 cm
Jan. 14 Partly cloudy
Partly cloudy
 3° /-4° 0 mm 0 cm
Jan. 15 Cloudy
Cloudy
 2° /-4° 0 mm 0 cm
Jan. 16 Overcast
Overcast
 5° /-4° 0 mm 0 cm
Jan. 17 Overcast
Overcast
 3° /-5° 0 mm 0 cm
Jan. 18 Cloudy
Cloudy
 0° /-7° 0 mm 0 cm
Jan. 19 Overcast
Overcast
 0° /-6° 0 mm 0 cm
Jan. 20 Overcast
Overcast
 0° /-7° 0.1 mm 0 cm
Jan. 21 Overcast
Overcast
 2° /-8° 0 mm 0 cm
Jan. 22 Partly cloudy
Partly cloudy
 2° /-6° 0 mm 0 cm
Jan. 23 Partly cloudy
Partly cloudy
 2° /-9° 0 mm 0 cm
Jan. 24 Overcast
Overcast
 3° /-6° 0 mm 0 cm
Jan. 25 Sunny
Sunny
 5° /-6° 0 mm 0 cm
Jan. 26 Cloudy
Cloudy
 6° /-7° 0 mm 0 cm
Jan. 27 Sunny
Sunny
 6° /-2° 0 mm 0 cm
Jan. 28 Sunny
Sunny
 7° /-2° 0 mm 0 cm
Jan. 29 Partly cloudy
Partly cloudy
 8° /0° 0 mm 0 cm
Jan. 30 Patchy rain possible
Patchy rain possible
 7° /2° 0.1 mm 0 cm
Jan. 31 Sunny
Sunny
 9° /-1° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Twin Falls 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 Twin Falls County forecast closer to your planned date for the most up-to-date weather information.
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Twin Falls County in January - FAQ

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

In January, Twin Falls County can expect light to moderate rainfall, totaling 22.9 mm across approximately 4 days. Occasional showers are possible, and planning ahead for them could be helpful.

Will it snow in Twin Falls County in January 2026?

Twin Falls County experiences an average snowfall of 5.6 cm during January, occurring over 2 days.

What are the typical wind conditions in Twin Falls County during January?

The average wind speed in Twin Falls County during January is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

Twin Falls County snow forecast January 2026

Track daily snowfall levels and discover Twin Falls County’s snowy potential this January ❄️
On average, Twin Falls County sees 2 snowy days during January, with approximately 5.6 cm of total snowfall.

January rainfall patterns in Twin Falls County

Explore the daily rainfall trends and prepare for Twin Falls Countys January weather 💧
Typically, Twin Falls County has 4 rainy days in January with a total of 22.9 mm of rainfall.
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Location coordinates Where is Twin Falls County?

Get accurate weather forecasts for Twin Falls County, located at latitude 42.563 and longitude -114.461. Stay updated with localized weather information tailored for Twin Falls County.

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