It is 46°F in Swan Valley, ID 83443, observed at 1 AM MDT. Today: Light Rain Likely then Showers And Thunderstorms Likely, high 50°F, low 38°F. Hourly and 7-day forecast from the National Weather Service. Times are local (MDT).
Observed at Ririe (12.7 mi away), 10/31/2026, 1:00 AM MDT
Hourly forecast
NWS, updated 10/31/2026, 12:36 AM PT
Now40°77%
2 AM39°67%
3 AM39°47%
4 AM39°45%
5 AM39°49%
6 AM39°43%
7 AM38°44%
8 AM38°47%
9 AM39°67%
10 AM41°63%
11 AM44°66%
12 PM47°73%
1 PM49°78%
2 PM50°80%
3 PM50°67%
4 PM49°53%
5 PM47°41%
6 PM45°13%
7 PM43°
8 PM41°
9 PM39°
10 PM38°
11 PM38°
12 AM38°14%Sun
1 AM38°14%
1 AM39°31%
2 AM39°60%
3 AM39°76%
4 AM39°76%
5 AM39°68%
6 AM39°69%
7 AM39°56%
8 AM40°40%
9 AM41°52%
10 AM43°98%
11 AM44°76%
12 PM44°87%
1 PM44°98%
2 PM43°93%
3 PM43°82%
4 PM42°95%
5 PM42°99%
6 PM43°99%
7 PM43°99%
8 PM42°99%
9 PM42°99%
10 PM41°99%
11 PM40°91%
7-day forecast
Tap a day for details
Today10/3180% chance of precipitationLow 38°High 50°
Saturday: Rain likely before noon, then showers and thunderstorms likely between noon and 1pm, then patchy fog and showers and thunderstorms. Mostly cloudy. High near 50, with temperatures falling to around 47 in the afternoon. South wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.
Overnight: Rain. Cloudy, with a low around 38. South southeast wind around 6 mph. Chance of precipitation is 80%.
Light Rain Likely then Showers And Thunderstorms Likely
Sun11/199% chance of precipitationLow 35°High 44°
Sunday: Rain. Cloudy, with a high near 44. Southeast wind 3 to 12 mph, with gusts as high as 26 mph. Chance of precipitation is 100%.
Sunday Night: Rain before 8pm, then rain and snow. Cloudy, with a low around 35. West wind 7 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 100%.
Light Rain
Mon11/246% chance of precipitationLow 32°High 43°
Monday: A chance of rain and snow before 11am. Mostly cloudy, with a high near 43. Chance of precipitation is 50%.
Monday Night: Mostly cloudy, with a low around 32.
Chance Rain And Snow then Mostly Cloudy
Tue11/3Low 31°High 44°
Tuesday: Partly sunny, with a high near 44.
Tuesday Night: Mostly cloudy, with a low around 31.
Partly Sunny
Wed11/414% chance of precipitationLow 30°High 43°
Wednesday: Partly sunny, with a high near 43.
Wednesday Night: Mostly cloudy, with a low around 30.
Partly Sunny
Thu11/528% chance of precipitationLow 31°High 42°
Thursday: A slight chance of rain after 5pm. Mostly cloudy, with a high near 42. Chance of precipitation is 20%.
Thursday Night: A slight chance of rain before 2am, then a chance of snow. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Mostly Cloudy then Slight Chance Light Rain
Fri11/641% chance of precipitationLow High 43°
Friday: A chance of snow before 11am, then a chance of rain and snow. Mostly cloudy, with a high near 43. Chance of precipitation is 40%.
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