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Thornton, ID Weather Forecast
Thornton, ID Weather Forecast Date: 1232 PM MDT Fri Oct 23 2026
The area/counties/county of: Arco/Mud Lake Desert, including: Mud Lake, Inl, Craters Of The Moon Nm, Idaho Falls, Rexburg, and St. Anthony.or toggle through each period.
Tonight... Rain in the evening...Then partly cloudy after midnight. Colder. Lows 26 to 34. West winds 10 to 15 mph... Shifting to north after midnight.
Saturday... Sunny. Highs 46 to 53. Northeast winds up to 10 mph.
Saturday Night... Mostly clear. Lows 24 to 32. Light and variable winds...Becoming north up to 10 mph after midnight.
Sunday... Sunny. Highs 50 to 57. Northeast winds up to 10 mph.
Sunday Night... Mostly clear. Lows 27 to 35. Light and variable winds.
Monday... Mostly sunny. Highs 52 to 59.
Monday Night... Mostly cloudy. A chance of rain. Lows 28 to 37. Highs 47 to 54.
Tuesday... Mostly cloudy. A chance of rain. Lows 28 to 37. Highs 47 to 54.
Tuesday Night... Mostly cloudy with a chance of snow and a slight chance of rain. Lows 24 to 32.
Wednesday... Partly cloudy. Highs 45 to 52. Lows 24 to 33.
Wednesday Night... Partly cloudy. Highs 45 to 52. Lows 24 to 33.
Thursday... Partly sunny. Highs 49 to 56.
Thursday Night... Mostly cloudy. A slight chance of rain and snow. Lows 26 to 35. Highs around 53.
POP = Probability of Precipitation
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