Idaho Falls (ID)
January
Weather in Idaho Falls, Idaho for January 2026
Your guide to Idaho Falls weather in January - trends and predictions
Idaho Falls typically experiences moderate snowfall in January, with an average of 7 snowy days.
According to Idaho Falls snow forecast for January 2026, 2 snowy days are expected at the beginning of January. The first snowfall for January is expected in Thursday, January 1.The forecast for the upcoming days in Idaho Falls predicts a temperature of 6.5 °F, which is slightly above the historical average.
In general, the average temperature in Idaho Falls at the beginning of January is 1.4 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of -4.6 °F by the end of January.
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Snow Forecast ❄️
Temperatures
More
23
Dry days
1
Rainy days
7
Snow days
-4°/-13°
Temperatures
10 km/h
Avg max wind
89 %
Avg humidity
Idaho Falls Weather January
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Temperatures trend during January in Idaho Falls
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January weather in Idaho Falls day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 |  Patchy rain possible | 6° /0° | 0.6 mm | 0.2 cm | |
| Jan. 2 |  Patchy light snow | 8° /2° | 0.1 mm | 0 cm | |
| Jan. 3 |  Moderate snow | 1° /-1° | 6.3 mm | 4.6 cm | |
| Jan. 4 |  Moderate or heavy snow showers | 1° /-3° | 5.1 mm | 3 cm | |
| Jan. 5 |  Light freezing rain | -1° /-3° | 2.6 mm | 0.8 cm | |
| Jan. 6 | Light freezing rain | -1° /-9° | 1.4 mm | 0.9 cm | |
| Jan. 7 |  Sunny | -4° /-14° | 0 mm | 0 cm | |
| Jan. 8 | Light freezing rain | -8° /-18° | 0.2 mm | 0 cm | |
| Jan. 9 |  Overcast | -4° /-8° | 0 mm | 0 cm | |
| Jan. 10 | Overcast | -3° /-9° | 1.3 mm | 0.5 cm | |
| Jan. 11 | Overcast | -2° /-8° | 0.2 mm | 0 cm | |
| Jan. 12 | Overcast | -5° /-8° | 0 mm | 0 cm | |
| Jan. 13 | Light freezing rain | -4° /-7° | 0.2 mm | 0 cm | |
| Jan. 14 |  Cloudy | -4° /-8° | 0 mm | 0 cm | |
| Jan. 15 | Overcast | -3° /-10° | 0 mm | 0 cm | |
| Jan. 16 | Overcast | -3° /-11° | 0 mm | 0 cm | |
| Jan. 17 | Light freezing rain | -2° /-11° | 0.6 mm | 0 cm | |
| Jan. 18 | Cloudy | -7° /-16° | 0 mm | 0 cm | |
| Jan. 19 | Light freezing rain | -7° /-19° | 1.1 mm | 0 cm | |
| Jan. 20 | Sunny | -13° /-25° | 0 mm | 0 cm | |
| Jan. 21 | Overcast | -9° /-24° | 0 mm | 0 cm | |
| Jan. 22 |  Partly cloudy | -7° /-22° | 0 mm | 0 cm | |
| Jan. 23 | Overcast | -8° /-16° | 0 mm | 0 cm | |
| Jan. 24 | Light freezing rain | -5° /-13° | 0.3 mm | 0 cm | |
| Jan. 25 | Sunny | -4° /-17° | 0 mm | 0 cm | |
| Jan. 26 | Sunny | -5° /-22° | 0 mm | 0 cm | |
| Jan. 27 | Cloudy | -5° /-22° | 0 mm | 0 cm | |
| Jan. 28 | Overcast | -7° /-15° | 0 mm | 0 cm | |
| Jan. 29 | Overcast | -6° /-14° | 0 mm | 0 cm | |
| Jan. 30 |  Freezing fog | -5° /-17° | 0 mm | 0 cm | |
| Jan. 31 |  Mist | 0° /-9° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Idaho Falls 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 Idaho Falls forecast closer to your planned date for the most up-to-date weather information.
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Idaho Falls in January - FAQ
What are the expected maximum and minimum temperatures in Idaho Falls during January?
Brace for cold days with temperatures not exceeding -4° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Idaho Falls during January?
In January, Idaho Falls can expect light to moderate rainfall, totaling 24.3 mm across approximately 1 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in Idaho Falls in January 2026?
Idaho Falls experiences an average snowfall of 10.91 cm during January, occurring over 7 days.
What are the typical wind conditions in Idaho Falls during January?
The average wind speed in Idaho Falls during January is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
Idaho Falls snow forecast January 2026
Track daily snowfall levels and discover Idaho Falls’s snowy potential this January ❄️
On average, Idaho Falls sees 7 snowy days during January, with approximately 10.9 cm of total snowfall.
January rainfall patterns in Idaho Falls
Explore the daily rainfall trends and prepare for Idaho Fallss January weather 💧
Typically, Idaho Falls has 1 rainy days in January with a total of 24.3 mm of rainfall.
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Where is Idaho Falls?Get accurate weather forecasts for Idaho Falls, located at latitude 43.467 and longitude -112.034. Stay updated with localized weather information tailored for Idaho Falls.
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