Snake River 5 SE Snake River nr IrwinPALI1
At a river or reservoir gauge/5.0 mi away/5,384 ft/43 ft above here
temp, wind, gust, humidity, pressure
Now. Irwin is 42° and clear at 10 PM. The dew point is 33°, so the air feels dry and comfortable. Light breeze from the east-northeast at 4 mph.
Today and tonight. Tonight falls to about 37° by 5 AM, under a mostly clear sky. No rain is expected for the rest of the day.
The week. The warmest day ahead is Saturday, near 64°, and the coolest Tuesday, near 59°. Rain is possible Tuesday (43%) and Wednesday (42%). Frost is possible tomorrow morning, a low of 35°.
The sky now. The Moon is a waxing crescent, 26% lit, and stays below the horizon until dawn. The next full Moon is Sunday, Oct 25. Look for Saturn, bright in the southeast. A planet shines with a steady light where the stars around it twinkle. The Orionids meteor shower is active, peaking around Oct 21: at its peak, up to about 20 meteors an hour can be seen from a dark site. The sky is forecast to stay clear: a good night to look up. The day is 11 hours 4 minutes long, 3 minutes shorter than yesterday.
As of 10:00 PM in Irwin, Idaho.
Air quality
Index 29, good, led by ozone. Read at 9 PM from its reporting area, Jackson (WY), 27 miles off.
Yesterday measured 31, good.
Little smoke near the ground through Sat 6 PM: the index from smoke stays at 17 or under.
Precipitation
None in the last 24 hours; 0.35 in over the last 3 days, to Thu 9 PM. Measured by radar and rain gauges, as water.
Visibility
Visibility stays 10 miles or more through Sat 6 PM.
F
Now, today, and the week
On the radar over Irwin, IdahoReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture
The 6 instruments nearest Irwin, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.0 miles away.
measured now4 instruments
Snake River 5 SE Snake River nr IrwinPALI1
At a river or reservoir gauge/5.0 mi away/5,384 ft/43 ft above here
temp, wind, gust, humidity, pressure
D6 - Palisades DamITDE5
Beside a road/6.6 mi away/5,646 ft/305 ft above here
temp, pavement temp, wind, visibility, precip
DriggsDIJ
At an airfield/25.4 mi away/6,227 ft/886 ft above here
temp, wind, gust, visibility, precip, pressure
Citizen station GW5938GW5938
In a volunteer observer's own ground/34.8 mi away/4,779 ft/562 ft below here
temp, humidity, wind, precip, pressure
measured daily2 instruments
Swan Valley 2 ESWNI1
At a cooperative observer's station/3.0 mi away/5,387 ft/46 ft above here
snowfall, snow depth, precip, high, low
Victor 1.8 SEID-TT-4
In a volunteer observer's own ground/16.0 mi away/6,342 ft/1,001 ft above here
precip, snowfall, snow depth
Station report
The nearest airport reporting now, 25.4 mi from Irwin, Idaho. From its report of Oct 15, 2026, 9:56 PM local time: 3 of its 6 sheets.
No cloud below 12,000 ft; visibility 10 mi or more.
36.0 F with a dew point of 32.0 F, 85 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 900 ft up.
From the north northeast (20 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale.
The full report of Driggs, in 6 sheets, each beside the Field Book plates that explain it
0in
Snow on the ground
Measured at Swan Valley 2 E (SWNI1), 3.0 miles from here, read 15 Oct, 08:00. measured daily
18 places, each with its own forecast and its own instruments.
The nearest places, each with its own forecast and the instruments nearest it.