Idaho Falls Extended Forecast with high and low temperatures
2 Week Extended Forecast in Idaho Falls, Idaho, USA
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| Conditions | Comfort | Precipitation | Sun | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day | Temperature | Weather | Feels Like | Wind | Humidity | Chance | Amount | UV | Sunrise | Sunset | ||
| Thu Dec 4 |  | 35 / 21 °F | Light snow. Overcast. | 24 °F | 14 mph | ↑ | 69% | 69% | 0.93" | 0 (Low) | 7:44 am | 4:52 pm |
| Fri Dec 5 |  | 40 / 32 °F | Snow changing to rain. Overcast. | 30 °F | 9 mph | ↑ | 83% | 85% | 1.03" | 0 (Low) | 7:45 am | 4:51 pm |
| Sat Dec 6 | | 42 / 31 °F | Light icy mix early. Cloudy. | 34 °F | 12 mph | ↑ | 64% | 23% | 0.04" | 0 (Low) | 7:46 am | 4:51 pm |
| Sun Dec 7 | | 40 / 30 °F | Light icy mix late. Overcast. | 28 °F | 15 mph | ↑ | 78% | 58% | 0.13" | 0 (Low) | 7:47 am | 4:51 pm |
| Mon Dec 8 |  | 43 / 33 °F | Light showers. Overcast. | 33 °F | 19 mph | ↑ | 75% | 51% | 0.13" | 0 (Low) | 7:48 am | 4:51 pm |
| Tue Dec 9 |  | 53 / 31 °F | Sprinkles late. Overcast. | 43 °F | 22 mph | ↑ | 52% | 23% | 0.02" | 0 (Low) | 7:49 am | 4:51 pm |
| Wed Dec 10 | | 47 / 33 °F | Snow changing to rain. Overcast. | 33 °F | 20 mph | ↑ | 88% | 52% | 1.44" | 0 (Low) | 7:50 am | 4:51 pm |
| Thu Dec 11 |  | 41 / 27 °F | Cloudy. | 33 °F | 6 mph | ↑ | 57% | 51% | 0.15" | 0 (Low) | 7:51 am | 4:51 pm |
| Fri Dec 12 |  | 37 / 28 °F | Decreasing cloudiness. | 29 °F | 10 mph | ↑ | 76% | 50% | 0.40" | 0 (Low) | 7:52 am | 4:51 pm |
| Sat Dec 13 | | 39 / 30 °F | Light mixture of precip. Mostly cloudy. | 27 °F | 23 mph | ↑ | 76% | 48% | 0.04" | 0 (Low) | 7:52 am | 4:52 pm |
| Sun Dec 14 | | 36 / 27 °F | Overcast. | 32 °F | 3 mph | ↑ | 71% | 6% | 0.00" | 0 (Low) | 7:53 am | 4:52 pm |
| Mon Dec 15 | | 36 / 27 °F | Light snow early. Overcast. | 28 °F | 10 mph | ↑ | 58% | 47% | 0.25" | 0 (Low) | 7:54 am | 4:52 pm |
| Tue Dec 16 | | 37 / 27 °F | Rain changing to snow. Overcast. | 26 °F | 16 mph | ↑ | 81% | 62% | 0.60" | 0 (Low) | 7:55 am | 4:52 pm |
| Wed Dec 17 | | 37 / 27 °F | Rain changing to snow. Overcast. | 24 °F | 18 mph | ↑ | 84% | 66% | 1.83" | 0 (Low) | 7:55 am | 4:53 pm |
| Thu Dec 18 | | 37 / 25 °F | Light snow. Overcast. | 29 °F | 4 mph | ↑ | 95% | 59% | 1.23" | 0 (Low) | 7:56 am | 4:53 pm |
| * Updated Thursday, December 4, 2025 2:24:05 pm Idaho Falls time - Weather by CustomWeather, © 2025 | ||||||||||||