FNUS75 KPIH 230943 FWSPIH Spot Forecast for North Heglar...FS-STF National Weather Service Pocatello ID 343 AM MDT Sun Aug 23 2026 Forecast is based on forecast start time of 0600 MDT on August 23. If conditions become unrepresentative, contact the National Weather Service. Please contact our office at (208) 232-9357, if you have questions or concerns with this forecast. .DISCUSSION...The worst of the thunderstorm activity happened Saturday; For the next couple of days there is a slight chance each afternoon of dry thunderstorms. Today, the outflow could be very strong with gusts possible up to 60 mph. The strength of the thunderstorms will diminish on Monday. Wind outside of thunderstorms will be stronger than Saturday, but then become light again Monday. Afternoon humidity will drop significantly, but still stay above 20 percent. .TODAY... Sky/weather.........Mostly cloudy, by 1000 becoming partly sunny. Near zero chance of shower before 1200 and 40 percent chance after. A near zero chance of thunderstorms before 1200 and a chance after. Gusts to 60 mph near thunderstorms. CWR.................After 1200: 13 percent. Chance of thunder...Before 1200: Near zero. After 1200: 29 percent. Max temperature.....5100ft elevation...85. Min humidity........5100ft elevation...27 percent. Wind (20 ft)........South 7 to 13 mph gusts to 20 mph, by 1000 becoming southwest 7 to 13 mph gusts to 22 mph. By 1400 wind becoming northwest 3 to 9 mph gusts to 16 mph. Mixing height.......Morning inversion top around 800ft AGL. Mixing height rising to around 10,100ft AGL. Transport winds.....South 22 mph, after inversion break west southwest 24 mph. Rainfall amount.....Extreme range: None to 0.18 of an inch. Most likely range: None to 0.06 of an inch. .TONIGHT... Sky/weather.........Mostly cloudy, by 2100 becoming partly cloudy. A 15 percent chance of showers before midnight, and a near zero chance after. A slight chance of thunderstorms prior to midnight, and a near zero chance after. Gusts to 55 mph near thunderstorms. CWR.................Near zero percent. Chance of thunder...Before midnight: 18 percent. After midnight: Near zero. Min temperature.....5100ft elevation...63. Max humidity........5100ft elevation...54 percent. Wind (20 ft)........South 8 to 16 mph gusts to 27 mph, by 0100 becoming south east 3 to 9 mph gusts to 14 mph. Mixing height.......Inversion developing around 1600ft AGL. Transport winds.....South 10 mph. Rainfall amount.....Extreme range: None to 0.05 of an inch. Most likely amount: None to trace. .MONDAY... Sky/weather.........Mostly sunny, by 1000 becoming mostly cloudy. A 10 percent chance of showers before 1200, and a 25 percent chance after. A slight chance of thunderstorms before 1200, and a chance after. Gusts to 40 mph near thunderstorms. CWR.................After 1200: 7 percent. Chance of thunder...Before 1200: 7 percent. After 1200: 26 percent. Max temperature.....5100ft elevation...85. Min humidity........5100ft elevation...25 percent. Wind (20 ft)........South 2 to 8 mph gusts to 12 mph, by 1000 becoming southwest 2 to 8 mph gusts to 14 mph. By 1400 wind becoming northwest 3 to 9 mph gusts to 16 mph. Mixing height.......Rising to 11,800ft AGL. Transport winds.....South 10 mph, after inversion break south southwest 14 mph. Rainfall amount.....Extreme range: None to 0.09 of an inch. Most likely range: None to 0.03 of an inch. $$ Forecaster...Messick Requested by...Brandon Hankla Type of request...WILDFIRE .TAG 2620273.0/PIH .DELDT 08/23/26 .FormatterVersion 2.0.0 .EMAIL brandon.hankla@usda.gov,idscc@firenet.gov,stewart.schiffler@usda.gov