Letha, Idaho Weather
Letha, Idaho — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for Letha, Gem County.
Full aviation weather for Letha is published on the Emmett Municipal Airport (KS78) page, 10 km away. It carries the current METAR decoded into plain language — surface wind, visibility, cloud layers and ceiling, temperature and dewpoint, and altimeter setting — alongside the raw observation as transmitted. 6 airfields within reach of Letha have their own pages, listed below.
The Terminal Aerodrome Forecast (TAF) is shown across its full validity period, with each change group broken out so you can see when conditions are expected to shift. Flight category is derived automatically — VFR, MVFR, IFR or LIFR — from reported ceiling and visibility, with runway details and field elevation alongside. Observations update roughly hourly and forecasts several times a day.
Other airports near Letha: Caldwell Executive Airport (KEUL) 28 km · Ontario Municipal Airport (KONO) 32 km · Nampa Municipal Airport (KMAN) 36 km · Weiser Municipal Airport (KS87) 43 km · Boise Air Terminal/Gowen Field (KBOI) 50 km
Conditions reported at KS78 describe the airfield itself. Weather 10 km away can differ, particularly in terrain or near the coast. For conditions at Letha specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Letha.
About Letha, Idaho
Letha, Gem County, Idaho, rests in a wide basin where the valley floor, a patchwork of cultivated fields, begins its gentle ascent towards the rugged shoulders of surrounding mountains. It lies 16.1 miles north of Caldwell, ID (from Caldwell, ID: bearing 7°T), and is situated 7.5 miles west of Emmett. The air here, even in the midday sun, carries a crispness, a subtle scent of dry grasses and distant pine, a testament to the high desert climate. Long shadows begin to stretch across the land as evening approaches, painting the undulating terrain in hues of ochre and muted violet, and the quiet hum of irrigation systems is the dominant sound, a low thrumming beneath the vast, open sky that seems to hold the silence of ages. The story of Letha is deeply intertwined with the rich agricultural heritage of the valley, where generations have coaxed sustenance from this dry earth, primarily through the cultivation of potatoes and hay. This hardy spirit of the early settlers, who carved a life out of the raw landscape, still echoes in the unpretentious character of the place. While the wider region has seen shifts in its economic drivers, Letha maintains a connection to its agrarian roots, a quiet industriousness that defines its present. The nearby Owyhee River, a ribbon of life cutting through the arid expanses, has historically been the lifeblood, shaping the settlement patterns and the very rhythm of daily existence in Letha.
Live animated radar for Letha and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
| Location | Letha, Gem County, Idaho |
| Coordinates | 43.894331°N, 116.647641°W |
| Timezone | Mountain Time (America/Boise) |
| ZIP Code(s) | 83636 |
| Area Code | 208 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Letha, Idaho Weather Page
This page provides live weather conditions and forecasts for Letha, Idaho, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, precipitation radar and NOAA GOES-16 satellite imagery. Aviation weather — live METAR observations and TAF forecasts — is published separately on the pages for the nearest reporting airports, linked from the aviation section above. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.
Location data for Letha includes coordinates 43.894331°N, 116.647641°W, situated in Gem County. ZIP code 83636. Telephone area code: 208. Timezone: Mountain Time (America/Boise).
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.
