Observed 10:05 AM MDT at KIDA

Iona, ID weather

Sunny and 37°3°.

Forecasts agree

Now 37°3°

Sunny · Feels like 31°0°

Feels like: 31°0°; Wind chill from 8 mph13 km/h wind · air 37°3°
Wind: 8 mph13 km/h; From the east-northeast. Up to 8 mph13 km/h through 10 PM
Dew point: 30°−1°; Dry · up to 39°4° by 12 PM (comfortable)
UV index: 0Low; Moderate 1–3 PM · peak 3
Air quality: 14Good; Main pollutant: PM2.5 (fine particles)
Pressure: 30.31 inHg1026 hPa; Falling slowly · −0.04 inHg−1.3 hPa in 3 h

Light rain now, through the next 2 hours.

From forecast models

Next 48 hours

11°6° cooler than this time yesterday (48°9° then, 37°3° now)

Good hours for

High 52°11° today at 4 PM
Low 33°1° tomorrow at 8 AM
Above 40°4° tomorrow by 10 AM

This morningNear 41°5° · Clear
This afternoonUp to 52°11° by 4 PM · Clear
TonightDown to 35°2° by 5 AM · Clear
Tomorrow morningUp to 44°7° by 11 AM · Clear
Tomorrow afternoonUp to 55°13° by 4 PM · Clear
Tomorrow nightDown to 38°3° by 5 AM · Partly cloudy
Monday morningNear 38°3° · Partly cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 10a	Sunny	40°4° (likely 35°2° to 40°4°)	37°3°	0%	5 mph8 km/h from NNE, gusts 6 mph10 km/h	90%	9%	0
Sat 11a	Sunny	42°6° (likely 39°4° to 42°6°)	39°4°	0%	5 mph8 km/h from N, gusts 7 mph11 km/h	86%	12%	1
Sat 12p	Sunny	45°7° (likely 43°6° to 45°7°)	43°6°	0%	5 mph8 km/h from N, gusts 7 mph12 km/h	79%	16%	2
Sat 1p	Sunny	48°9° (likely 45°7° to 48°9°)	47°8°	0%	3 mph5 km/h from N, gusts 6 mph10 km/h	73%	17%	3
Sat 2p	Sunny	50°10° (likely 47°8° to 50°10°)	48°9°	0%	5 mph8 km/h from N, gusts 7 mph11 km/h	69%	19%	3
Sat 3p	Sunny	50°10° (likely 48°9° to 50°10°)	48°9°	0%	5 mph8 km/h from N, gusts 6 mph10 km/h	64%	19%	2
Sat 4p	Sunny	52°11° (likely 49°9° to 52°11°)	52°11°	0%	5 mph8 km/h from N, gusts 7 mph11 km/h	63%	16%	1
Sat 5p	Sunny	50°10° (likely 49°9° to 50°10°)	48°9°	0%	5 mph8 km/h from N, gusts 7 mph12 km/h	64%	3%	1
Sat 6p	Sunny	49°9° (likely 46°8° to 49°9°)	47°8°	0%	5 mph8 km/h from N, gusts 7 mph11 km/h	69%	5%	1
Sat 7p	Clear	46°8° (likely 42°6° to 46°8°)	45°7°	0%	3 mph5 km/h from N, gusts 5 mph8 km/h	77%	1%	0
Sat 8p	Clear	43°6° (likely 40°4° to 43°6°)	41°5°	0%	3 mph5 km/h from NE, gusts 4 mph7 km/h	82%	0%	0
Sat 9p	Clear	42°6° (likely 39°4° to 42°6°)	40°4°	0%	3 mph5 km/h from NE, gusts 4 mph7 km/h	82%	0%	0
Sat 10p	Clear	41°5° (likely 37°3° to 41°5°)	41°5°	0%	2 mph3 km/h from E, gusts 4 mph7 km/h	83%	0%	0
Sat 11p	Clear	40°4° (likely 37°3° to 40°4°)	40°4°	0%	2 mph3 km/h from E, gusts 6 mph9 km/h	84%	1%	0
Sun 12a	Clear	40°4° (likely 35°2° to 40°4°)	40°4°	0%	2 mph3 km/h from E, gusts 6 mph10 km/h	81%	0%	0
Sun 1a	Clear	38°3° (likely 34°1° to 38°3°)	38°3°	0%	2 mph3 km/h from E, gusts 5 mph9 km/h	85%	0%	0
Sun 2a	Clear	38°3° (likely 33°1° to 38°3°)	38°3°	0%	2 mph3 km/h from ESE, gusts 4 mph7 km/h	84%	0%	0
Sun 3a	Clear	38°3° (likely 32°0° to 38°3°)	36°2°	0%	3 mph5 km/h from ESE, gusts 4 mph7 km/h	83%	4%	0
Sun 4a	Clear	37°3° (likely 32°0° to 37°3°)	34°1°	0%	3 mph5 km/h from ESE, gusts 5 mph8 km/h	84%	5%	0
Sun 5a	Clear	35°2° (likely 31°−1° to 35°2°)	35°2°	0%	2 mph3 km/h from ESE, gusts 6 mph10 km/h	84%	5%	0
Sun 6a	Clear	35°2° (likely 30°−1° to 35°2°)	32°0°	0%	3 mph5 km/h from ESE, gusts 6 mph10 km/h	84%	5%	0
Sun 7a	Clear	34°1° (likely 30°−1° to 34°1°)	31°−1°	0%	3 mph5 km/h from ESE, gusts 5 mph9 km/h	87%	0%	0
Sun 8a	Sunny	33°1° (likely 31°−1° to 34°1°)	30°−1°	0%	3 mph5 km/h from ESE, gusts 3 mph6 km/h	89%	0%	0
Sun 9a	Sunny	35°2° (likely 33°1° to 36°2°)	32°0°	0%	3 mph5 km/h from E, gusts 3 mph4 km/h	88%	0%	0
Sun 10a	Sunny	41°5° (likely 38°3° to 41°5°)	39°4°	0%	3 mph5 km/h from E, gusts 3 mph4 km/h	85%	1%	1
Sun 11a	Sunny	44°7° (likely 43°6° to 45°7°)	42°6°	0%	3 mph5 km/h from E, gusts 3 mph5 km/h	79%	1%	2
Sun 12p	Sunny	47°8° (likely 47°8° to 49°9°)	46°8°	0%	3 mph5 km/h from WNW, gusts 3 mph5 km/h	73%	6%	3
Sun 1p	Sunny	51°11° (likely 50°10° to 52°11°)	51°11°	0%	3 mph5 km/h from WNW, gusts 4 mph6 km/h	67%	7%	4
Sun 2p	Sunny	53°12° (likely 53°12° to 54°12°)	53°12°	0%	3 mph5 km/h from WNW, gusts 4 mph7 km/h	62%	4%	4
Sun 3p	Sunny	54°12° (likely 54°12° to 55°13°)	54°12°	0%	3 mph5 km/h from W, gusts 5 mph8 km/h	57%	6%	4
Sun 4p	Sunny	55°13° (likely 55°13° to 55°13°)	55°13°	0%	3 mph5 km/h from W, gusts 4 mph6 km/h	56%	14%	3
Sun 5p	Sunny	53°12° (likely 53°12° to 55°13°)	53°12°	0%	3 mph5 km/h from W, gusts 5 mph8 km/h	58%	20%	2
Sun 6p	Clear	51°11° (likely 50°10° to 53°12°)	51°11°	0%	1 mph2 km/h from SSW, gusts 4 mph7 km/h	65%	21%	1
Sun 7p	Clear	49°9° (likely 47°8° to 50°10°)	49°9°	0%	1 mph2 km/h from SSW, gusts 3 mph5 km/h	71%	17%	0
Sun 8p	Mostly clear	47°8° (likely 44°7° to 48°9°)	47°8°	0%	1 mph2 km/h from SSW, gusts 4 mph6 km/h	75%	22%	0
Sun 9p	Mostly clear	44°7° (likely 42°6° to 45°7°)	42°6°	0%	3 mph5 km/h from ESE, gusts 6 mph9 km/h	78%	25%	0
Sun 10p	Cloudy	43°6° (likely 40°4° to 44°7°)	41°5°	0%	3 mph5 km/h from ESE, gusts 7 mph11 km/h	79%	56%	0
Sun 11p	Cloudy	42°6° (likely 38°3° to 44°7°)	40°4°	0%	3 mph5 km/h from ESE, gusts 7 mph11 km/h	79%	56%	0
Mon 12a	Mostly clear	42°6° (likely 37°3° to 43°6°)	40°4°	0%	3 mph5 km/h from ESE, gusts 7 mph12 km/h	79%	53%	0
Mon 1a	Mostly clear	41°5° (likely 38°3° to 43°6°)	39°4°	0%	3 mph5 km/h from ESE, gusts 7 mph12 km/h	79%	52%	0
Mon 2a	Mostly clear	41°5° (likely 37°3° to 42°6°)	39°4°	0%	3 mph5 km/h from ESE, gusts 8 mph12 km/h	80%	47%	0
Mon 3a	Mostly clear	40°4° (likely 36°2° to 42°6°)	37°3°	0%	5 mph8 km/h from ESE, gusts 7 mph12 km/h	80%	44%	0
Mon 4a	Mostly clear	39°4° (likely 34°1° to 41°5°)	36°2°	0%	5 mph8 km/h from ESE, gusts 7 mph11 km/h	80%	67%	0
Mon 5a	Mostly clear	38°3° (likely 32°0° to 42°6°)	34°1°	0%	5 mph8 km/h from ESE, gusts 6 mph10 km/h	80%	65%	0
Mon 6a	Cloudy	37°3° (likely 30°−1° to 42°6°)	33°1°	0%	5 mph8 km/h from ESE, gusts 6 mph9 km/h	80%	72%	0
Mon 7a	Partly cloudy	37°3° (likely 25°−4° to 43°6°)	33°1°	0%	5 mph8 km/h from ESE, gusts 5 mph8 km/h	83%	60%	0
Mon 8a	Partly sunny	37°3° (likely 26°−3° to 43°6°)	33°1°	0%	5 mph8 km/h from ESE, gusts 5 mph8 km/h	85%	44%	0
Mon 9a	Partly sunny	39°4° (likely 27°−3° to 45°7°)	34°1°	0%	7 mph11 km/h from ESE, gusts 5 mph8 km/h	85%	63%	0

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Drizzle. High 52°11°, low 33°1°. Typical 55°13° / 28°−2°. Rain 0.03 in0.8 mm, 0% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 42°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Clear, 43°6°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 35°2°
  Dry
Official NWS forecast
Today: Sunny. High near 52, with temperatures falling to around 50 in the afternoon. North wind around 5 mph.
Tonight: Mostly clear. Low around 33, with temperatures rising to around 35 overnight. East northeast wind around 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
49°9°–52°11°
Low, likely
30°−1°–34°1°
Typical high / low
55°13° / 28°−2°
Wind
8 mph13 km/h, gusts 20 mph33 km/h
UV peak
4
Tomorrow, Oct 25. Mostly sunny. High 55°13°, low 36°2°. Typical 54°12° / 28°−2°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 33°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 55°13°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 38°3°
  Dry
Official NWS forecast
Day: Sunny. High near 55, with temperatures falling to around 53 in the afternoon. West northwest wind around 3 mph.
Night: Mostly clear, with a low around 36. Southeast wind 1 to 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
55°13°–56°13°
Low, likely
30°−1°–36°2°
Typical high / low
54°12° / 28°−2°
Wind
7 mph11 km/h
UV peak
4
Monday, Oct 26. Partly sunny. High 57°14°, low 37°3°. Typical 54°12° / 28°−2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 58°15°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 45°7°
  40% chance · 0.08 in2.1 mm
4. Overnight
  midnight–6 AM
  Rain, 37°3°
  40% chance · 0.02 in0.4 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 57. South southeast wind around 7 mph.
Night: Rain likely. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
57°14°–60°16°
Low, likely
29°−2°–41°5°
Typical high / low
54°12° / 28°−2°
Wind
18 mph28 km/h, gusts 33 mph53 km/h
UV peak
3
Tuesday, Oct 27. Snow. High 48°9°, low 32°0°. Typical 53°12° / 27°−3°. Snow 0.02 in0.5 mm, 40% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Drizzle, 37°3°
  40% chance
2. Afternoon
  noon–6 PM
  Partly sunny, 47°8°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 41°5°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 34°1°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain before 9am, then a chance of rain and snow. Partly sunny, with a high near 48. Chance of precipitation is 40%.
Night: Mostly cloudy, with a low around 32.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
46°8°–48°9°
Low, likely
32°0°–38°3°
Typical high / low
53°12° / 27°−3°
Wind
28 mph45 km/h, gusts 43 mph69 km/h
UV peak
4
Wednesday, Oct 28. Partly sunny. High 53°12°, low 35°2°. Typical 53°12° / 27°−3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 33°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 50°10°
  Dry
3. Evening
  6 PM–midnight
  Clear, 41°5°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 35°2°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 53.
Night: Partly cloudy, with a low around 35.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
48°9°–53°12°
Low, likely
28°−2°–37°3°
Typical high / low
53°12° / 27°−3°
Wind
20 mph31 km/h, gusts 33 mph53 km/h
UV peak
4
Thursday, Oct 29. Cloudy. High 55°13°, low 37°3°. Typical 52°11° / 27°−3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 54°12°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 42°6°
  30% chance · 0.02 in0.4 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 55.
Night: A slight chance of rain after midnight. Mostly cloudy, with a low around 37. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
52°11°–56°13°
Low, likely
32°0°–38°3°
Typical high / low
52°11° / 27°−3°
Wind
15 mph24 km/h, gusts 24 mph38 km/h
UV peak
2
Friday, Oct 30. Rain. High 54°12°, low 36°2°. Typical 52°11° / 26°−3°. Rain 0.18 in4.6 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 43°6°
  30% chance · 0.05 in1.3 mm
2. Afternoon
  noon–6 PM
  Drizzle, 49°10°
  30% chance · 0.08 in1.9 mm
3. Evening
  6 PM–midnight
  Drizzle, 42°5°
  30% chance · 0.04 in0.9 mm
4. Overnight
  midnight–6 AM
  Cloudy, 36°2°
  30% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain. Partly sunny, with a high near 54. Chance of precipitation is 20%.
Night: A chance of rain. Mostly cloudy, with a low around 36. Chance of precipitation is 30%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
46°8°–54°12°
Low, likely
35°2°–39°4°
Typical high / low
52°11° / 26°−3°
Wind
17 mph28 km/h, gusts 30 mph48 km/h
UV peak
3
Saturday, Oct 31. Cloudy. High 44°7°, low 31°−1°. Typical 51°11° / 26°−3°. Rain 0.04 in1 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 35°2°
  30% chance
2. Afternoon
  noon–6 PM
  Sunny, 44°7°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 37°3°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 30°−1°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
41°5°–50°10°
Low, likely
27°−3°–35°2°
Typical high / low
51°11° / 26°−3°
Wind
18 mph29 km/h, gusts 27 mph44 km/h
UV peak
4
Sunday, Nov 1. Partly sunny. High 42°6°, low 29°−2°. Typical 51°11° / 26°−3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 30°−1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 42°5°
  Dry
3. Evening
  6 PM–midnight
  Clear, 37°3°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 30°−1°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
37°3°–45°7°
Low, likely
24°−4°–33°1°
Typical high / low
51°11° / 26°−3°
Wind
16 mph25 km/h, gusts 30 mph47 km/h
UV peak
4
Monday, Nov 2. Cloudy. High 45°7°, low 31°−1°. Typical 50°10° / 26°−3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 30°−1°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 43°6°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 40°4°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
37°3°–54°12°
Low, likely
30°−1°–34°1°
Typical high / low
50°10° / 26°−3°
Wind
14 mph22 km/h, gusts 28 mph45 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 52°, low 33°.
Tomorrow
Dry, high 55°, low 36°, warming up.
Monday
Dry, high 57°, low 37°.
Rest of week
Highs 42–55°; chance of precipitation on Tuesday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (PIH) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Willow Creek (Eastern ID) below Ririe Dam near Ririe

10 mi

Below flood stage

Level: 0.8 ft

Forecast peak 1.8 ft Sat 12 PM

Reading from Sat 9:30 AM · NWS gauge page

Eastern Idaho Reservoirs at Ririe Dam

10 mi

Below flood stage

Level: 5064 ft

Forecast peak 5064 ft Mon 5 AM

Reading from Sat 9:30 AM · NWS gauge page

Snake River near Shelley

13 mi

Below flood stage

Level: 5.4 ft
Flow: 2,360 cfs

Forecast peak 5.6 ft Mon 6 AM

Reading from Sat 9:15 AM · NWS gauge page

Snake River near Heise

15 mi

Below flood stage

Level: 2.0 ft
Flow: 2,040 cfs

Forecast peak 2.1 ft Sat 12 PM

Reading from Sat 9:30 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 75% less heating than a typical week.

This week 43Typical 173

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 34
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at. About 23 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 30°F).

Open the windows?

No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.

Is this typical?

Idaho Falls FAA Airport · official normals 1991–2020 · records 1948–2026

Oct 24, today vs a typical year

Today’s expected high is 3°2° colder than typical.

Last 7 days vs normal

On average 8°5° warmer than normal (daily mean temperature).

+5°+3°SunOct 18
+7°+4°MonOct 19
+11°+6°TueOct 20
+14°+8°WedOct 21
+12°+7°ThuOct 22
+3°+2°FriOct 23
—SatOct 24

Iona weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 37 min; Losing 2 min 44 s a day; shortest Dec 21, 1 h 40 min less
Golden hour: 5:49–6:47 PM; Morning 7:35–8:33 AM
Blue hour: 6:47–6:59 PM; Morning 7:23–7:35 AM; first light 7:23 AM

Stars tonight? Fair

Clear 6:59 PM–7:25 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 6:09 AM · rises 5:30 PM
Full moon: Oct 25
New moon: Nov 9

Looking northwest from Iona. The highest point on the skyline is about 12,100 ft, 71 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Iona, ID weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Willow Creek (Eastern ID) below Ririe Dam near Ririe

Eastern Idaho Reservoirs at Ririe Dam

Snake River near Shelley

Snake River near Heise

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Fair

Moon