textproduct: Pocatello

KEY MESSAGES

- Widespread showers with a few thunderstorms today, lingering into Thursday especially along and east of Interstate 15.

- Nearly all snow accumulation will remain above about 7,000 feet, with limited travel impacts possible at a few passes.

- Drier weather for most of southeast Idaho Friday and Saturday.

SHORT TERM /THROUGH TONIGHT/

Issued at 151 AM MDT Wed Oct 15 2025

A wet day remains on tap today as multiple rounds of rain, showers, high-elevation snow, and isolated thunderstorms affect southeast Idaho. Snow levels will range from 6,500 feet to 8,000 feet, with nearly all snow accumulation confined above about 7,000 feet. For those traveling, the potential remains for slick spots over some mountain passes, especially during colder overnight/early morning periods. And, for those venturing into the backcountry...over a foot of snow is likely at the highest elevations of some of the mountains surrounding the Wood River Valley region. Otherwise...aside from the fact that it will be raining at times...overall impacts from this system will be quite limited for most population centers. Cooler high temperatures today will run about 5-10 degrees below normal for mid-October...and similarly...5-10 degrees below yesterday's readings.

LONG TERM /THURSDAY THROUGH TUESDAY/

Issued at 105 PM MDT Tue Oct 14 2025

The day begins Thursday with an upper low centered near the far SE corner of the Gem State. Thursday will remain well below normal temperature wise with 40s and low 50s across the western half of the area with 30s and 40s for our eastern zones (closer to the low). We'll see precip and clouds begin to taper off from west to east throughout the day but areas along and east of I-15 will have to wait until later in the afternoon or evening before conditions start to improve. Cold temperatures in the eastern highlands will support some accumulating snowfall across the higher terrain (above 7000 ft) on Thursday. By daybreak Friday, upper level troughing will quickly transition to a ridge allowing for a brief warming trend Friday into Sunday with mostly dry conditions and mostly sunny weather through the first part of the day on Sunday. Temperatures will remain on the cooler side of normal Fri and Sat but get closer to seasonal norms by Sunday but that's when the weather pattern looks to change once again. Models show a potent trough once again moving into the Pacific NW which will bring precip and clouds back into the forecast for eastern Idaho by as early as Sunday afternoon but especially for much of the day Monday and into Tuesday. Along with the precip, we'll see much colder temperatures once again for Monday and Tuesday with highs running well below normal along with valley rain/mountain snow chances. Could even see some valley precip change over to snow Monday night into Tuesday AM but it's still unclear how much precip will remain by that point. Either way, an active fall weather pattern is expected to continue across the region into the third week of October.

AVIATION /18Z TAFS THROUGH 18Z THURSDAY/

Issued at 1204 PM MDT Wed Oct 15 2025

Widespread clouds in place across the region this afternoon along with gradually increasing rainfall coverage. As such, CIGs will likely bounce between very low end VFR to IFR throughout the period with the mostly likely outcome somewhere in between with BKN/OVC CIGs around 2kft feet or so. Precip intensity will also vary at times so VSBYs are hard to forecast especially with the current gaps in radar data which hopefully will be resolved soon. Expect mainly MVFR conditions through sunrise tomorrow with off an on precipitation. Winds will remain light however outside of any thunderstorms, which are possible but chances seem quite low. CIGs will begin to improve from west to east throughout the day tomorrow, namely at KSUN and KBYI and then into the remaining terminals by the end of the day tomorrow but it'll probably take awhile at KPIH, KIDA and KDIJ before we see much in the way of improvement.

FIRE WEATHER

Issued at 151 AM MDT Wed Oct 15 2025

Periods of wetting rains and high-elevation snow will continue today and tonight, lingering Thursday especially along and east of Interstate 15 (but overall ending from west to east over the course of the day). Drier conditions will briefly take hold for Friday and Saturday.

PIH WATCHES/WARNINGS/ADVISORIES

None.