Now

48°

17%

23 mph

19:00

48°

21%

24 mph

20:00

48°

16%

23 mph

21:00

48°

16%

22 mph

22:00

47°

36%

22 mph

23:00

47°

26%

21 mph

00:00

47°

30%

20 mph

01:00

47°

28%

20 mph

02:00

47°

28%

21 mph

03:00

47°

21%

20 mph

04:00

47°

24%

20 mph

05:00

47°

23%

19 mph

06:00

47°

19%

18 mph

07:00

47°

18 mph

08:00

47°

17 mph

09:00

47°

14 mph

10:00

47°

12 mph

11:00

47°

13%

11 mph

12:00

47°

19%

11 mph

13:00

47°

14%

11 mph

14:00

47°

11 mph

15:00

47°

10 mph

16:00

47°

11 mph

17:00

47°

8 mph

10-day forecast

Updated 6:11 PM

Sun · Today · 16 Aug Showers

59° 47° 0.06 in

Mon · Tomorrow · 17 Aug Showers

47° 47° 0.05 in

Tuesday · 18 Aug Showers

47° 46° 0.06 in

Wednesday · 19 Aug Showers

47° 45° 0.06 in

Thursday · 20 Aug Sunny

47° 46° 0.00 in

Friday · 21 Aug Partly cloudy

50° 47° 0.01 in

Saturday · 22 Aug Showers

51° 47° 0.28 in

Sunday · 23 Aug Showers

49° 45° 0.12 in

Monday · 24 Aug Showers

48° 46° 0.06 in

Tuesday · 25 Aug Showers

49° 47° 0.05 in

Details & indices

Wind

23 mph W

Gusts 27 mph

Humidity

70%

Dew point 39°

Pressure

29.56 inHg

Falling

UV index

8 — Very high

High today

Air Quality

Moderate

AQI 61 · US EPA

Allergy

Very high

Grass

Visibility

6 mi

Clear view

Allergy — Iona

🌿 Conditions right now

View all →

Birch

None

Grass

Very high

Oak

None

Alder

None

Hazel

None

Mugwort

Moderate

Ragweed

None

Sun & moon

Sunrise6:33 AM

Sunset8:30 PM

Length of day13h 57m

Moonrise11:12 AM

Moonset10:08 PM

Moon phase🌒 Waxing Crescent · 21%

Next full moonAug 27 Sturgeon Moon

Latitude43.5263°N

Longitude-111.9330°E

Water temps nearby

View all →

No beaches within 50 miles

🌤️No rain expected in the next 90 minutes

Now+30+60+90 min

Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast

Laundry day

Poor

Line-drying weather

Grilling

Poor

Fire up the grill

Running

Poor

Lace up outside

Patio

Poor

Dinner outdoors

Nearby places in {{REGION}}

🌤️

Boise

—

Data sources · Sunday, August 16

Where the Iona forecast comes from

This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 43.5263°N, -111.9330°.

NBM + global weather models

Updated: 6:11 PM

Weather in Iona

Iona's outlook: warmest day near 59° (Sunday), coldest night about 45° (Wednesday). Roughly 0.74 in of rain falls over the period, with Saturday the most likely wet day (90%). Wind is the one to watch: gusts to 61 mph around Saturday. The NWS alert board for this area is currently clear. Right now Iona is about 16° cooler than nearby Twin Falls. Longer view: mountain climate — intense sun, cool nights and snow well beyond 'winter'.

Iona, ID · Elev 4,783 ft · 43.53°N, 111.93°W · Idaho · Forecast computed for these exact coordinates

Iona, ID Weather (83427)

Weather map — Iona

Today · Sun 8/16

Tonight · Sun 8/16

Tomorrow · Mon 8/17

7-day trend

10-day forecast

Details & indices

🌿 Conditions right now

Sun & moon

Water temps nearby

Daily planner