Letha, Idaho 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 95°F 35°C Heat Index: 90°F	Observed at: Letha, ID	Elevation: 2600 ft | 792 m
	Last Updated: July 27, 6:00 PM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 95°F | 35°C
	Pressure: 27.52 in | 932.1 mb	Dewpoint: 36°F | 2°C
	Humidity: 13%	Wind: NW 8 mph | NW 13 kph
	Feels Like: 88°F | 31°C	Visibility: 22.4 mi | 36.1 km
	Lat/Long: 43.8752 | -116.5183	Sunrise: 6:29 AM   Sunset: 9:15 PM

7 Day Graphical Forecast

Valid: 12:16 PM 7/28/2026

Today Clear 95 |61 °F 35 |16 °C 0% Chance Precipitation Tuesday Clear 97 |61 °F 36 |16 °C 0% Chance Precipitation Wednesday Clear 103 |61 °F 39 |16 °C 0% Chance Precipitation Thursday Clear 105 |66 °F 41 |19 °C 0% Chance Precipitation Friday Overcast 105 |67 °F 41 |20 °C 0% Chance Precipitation Saturday Partly Cloudy 108 |73 °F 42 |23 °C 0% Chance Precipitation Sunday Mostly Clear 95 |62 °F 35 |17 °C 0% Chance Precipitation

7 Hour Graphical Forecast

Valid: 12:16 PM 7/28/2026

12 PM Clear 85 °F 0% Chance Precipitation

1 PM Clear 90 °F 0% Chance Precipitation

2 PM Clear 92 °F 0% Chance Precipitation

3 PM Clear 94 °F 0% Chance Precipitation

4 PM Clear 96 °F 0% Chance Precipitation

5 PM Clear 97 °F 0% Chance Precipitation

6 PM Clear 97 °F 0% Chance Precipitation

7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index

7 Day & Night Weather Forecast for Letha, ID - (Fahrenheit & Celsius) Valid: 12:16 PM 7/28/2026 Today Clear with a high near 95°F [35°C]. WNW wind to around 9 mph [15 kph], with gusts to near 13 mph [21 kph]. Dewpoint near 36°F [2°C] with humidity of 52%. Pressure around 27.52 in [932.1 mb]. UV Index: 7.8. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tonight Clear with a low around 61°F [16°C]. WNW wind to around 9 mph [15 kph], with gusts to near 13 mph [21 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tuesday Clear with a high near 97°F [36°C]. WNW wind to around 11 mph [17 kph], with gusts to near 13 mph [20 kph]. Dewpoint near 36°F [2°C] with humidity of 38%. Pressure around 27.52 in [932.1 mb]. UV Index: 7.75. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tuesday Night Clear with a low around 61°F [16°C]. WNW wind to around 11 mph [17 kph], with gusts to near 13 mph [20 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Wednesday Clear with a high near 103°F [39°C]. WNW wind to around 14 mph [22 kph], with gusts to near 13 mph [21 kph]. Dewpoint near 36°F [2°C] with humidity of 47%. Pressure around 27.52 in [932.1 mb]. UV Index: 7.65. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Wednesday Night Clear with a low around 61°F [16°C]. WNW wind to around 14 mph [22 kph], with gusts to near 13 mph [21 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Thursday Clear with a high near 105°F [41°C]. N wind to around 10 mph [16 kph], with gusts to near 16 mph [26 kph]. Dewpoint near 36°F [2°C] with humidity of 29%. Pressure around 27.52 in [932.1 mb]. UV Index: 7.7. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Thursday Night Clear with a low around 66°F [19°C]. N wind to around 10 mph [16 kph], with gusts to near 16 mph [26 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Friday Overcast with a high near 105°F [41°C]. NNW wind to around 10 mph [17 kph], with gusts to near 13 mph [21 kph]. Dewpoint near 36°F [2°C] with humidity of 30%. Pressure around 27.52 in [932.1 mb]. UV Index: 7.7. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Friday Night Overcast with a low around 67°F [20°C]. NNW wind to around 10 mph [17 kph], with gusts to near 13 mph [21 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Saturday Partly Cloudy with a high near 108°F [42°C]. NW wind to around 18 mph [30 kph], with gusts to near 20 mph [32 kph]. Dewpoint near 36°F [2°C] with humidity of 26%. Pressure around 27.52 in [932.1 mb]. UV Index: 7.65. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Saturday Night Partly Cloudy with a low around 73°F [23°C]. NW wind to around 18 mph [30 kph], with gusts to near 20 mph [32 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Sunday Mostly Clear with a high near 95°F [35°C]. NW wind to around 12 mph [19 kph], with gusts to near 12 mph [20 kph]. Dewpoint near 36°F [2°C] with humidity of 53%. Pressure around 27.52 in [932.1 mb]. UV Index: 7.55. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Sunday Night Mostly Clear with a low around 62°F [17°C]. NW wind to around 12 mph [19 kph], with gusts to near 12 mph [20 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Letha, ID

Today: 0.0 mm | 0.00 in

Tonight: 0.0 mm | 0.00 in

Tuesday: 0.0 mm | 0.00 in

Tuesday Night: 0.0 mm | 0.00 in

Wednesday: 0.0 mm | 0.00 in

Wednesday Night: 0.0 mm | 0.00 in

Thursday: 0.0 mm | 0.00 in

Thursday Night: 0.0 mm | 0.00 in

Friday: 0.0 mm | 0.00 in

Friday Night: 0.0 mm | 0.00 in

Saturday: 0.0 mm | 0.00 in

Saturday Night: 0.0 mm | 0.00 in

Sunday: 0.0 mm | 0.00 in

Sunday Night: 0.0 mm | 0.00 in

7 Day and Night - Maximum Wind Speed Forecast for Letha, ID

Today: WNW @ 15 kph | 9 mph

Tonight: WNW @ 15 kph | 9 mph

Tuesday: WNW @ 17 kph | 11 mph

Tuesday Night: WNW @ 17 kph | 11 mph

Wednesday: WNW @ 22 kph | 14 mph

Wednesday Night: WNW @ 22 kph | 14 mph

Thursday: N @ 16 kph | 10 mph

Thursday Night: N @ 16 kph | 10 mph

Friday: NNW @ 17 kph | 10 mph

Friday Night: NNW @ 17 kph | 10 mph

Saturday: NW @ 30 kph | 18 mph

Saturday Night: NW @ 30 kph | 18 mph

Sunday: NW @ 19 kph | 12 mph

Sunday Night: NW @ 19 kph | 12 mph

7 Day and Night - Maximum Humidity Forecast for Letha, ID

Today: 52 %

Tonight: 52 %

Tuesday: 38 %

Tuesday Night: 38 %

Wednesday: 47 %

Wednesday Night: 47 %

Thursday: 29 %

Thursday Night: 29 %

Friday: 30 %

Friday Night: 30 %

Saturday: 26 %

Saturday Night: 26 %

Sunday: 53 %

Sunday Night: 53 %

7 Day and Night - Snowfall Totals Forecast for Letha, ID

Today: 0.0 cm | 0.00 in

Tonight: 0.0 cm | 0.00 in

Tuesday: 0.0 cm | 0.00 in

Tuesday Night: 0.0 cm | 0.00 in

Wednesday: 0.0 cm | 0.00 in

Wednesday Night: 0.0 cm | 0.00 in

Thursday: 0.0 cm | 0.00 in

Thursday Night: 0.0 cm | 0.00 in

Friday: 0.0 cm | 0.00 in

Friday Night: 0.0 cm | 0.00 in

Saturday: 0.0 cm | 0.00 in

Saturday Night: 0.0 cm | 0.00 in

Sunday: 0.0 cm | 0.00 in

Sunday Night: 0.0 cm | 0.00 in

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