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Alpha, ID Weather Tomorrow

Get tomorrow's weather for Alpha plus an extended 5 day forecast providing precipitation chances, day and night conditions, high and low temperatures in Fahrenheit and Celsius, sunrise, sunset, sky conditions, wind chill, and wind speed with direction for the Alpha area and around Valley county, Idaho.
Updated: Mon Aug 31st 2026 7:45 AM MDT
Alpha, ID Weather – 8-31 – Sunny
78° / 42°
Sunny
Highs will reach 78°F with lows near 42°F in Alpha, where a sunny day is. There's a very small chance of rainfall, only about 1%. Winds will be light at 9mph and gusts of 14.5mph at 11 PM. The air will be relatively dry with average humidity levels below 30%, the maximum being 30% at 8 AM and 10% being its lowest at 1 PM. Barometric pressure is its highest of 30.02inHg at 8 AM, a lowest point of 29.75inHg at 6 PM with an avg 29.85inHg.
Alpha, ID Weather – 9-1 – Overcast
77° / 48°

Weather Tomorrow

Overcast
It will be overcast in Alpha, with a high of 77°F and a low of 48°F. Rainfall predicted to have a 57% chance with an estimated 0.11in. Wind will be moderate, blowing around 11mph on average and gusts of 15.2mph at 2 PM. Humidity levels should be comfortable, sitting around 44% on average, the maximum being 94% at 10 PM and 16% being its lowest at 11 AM. Barometric pressure is its highest of 29.87inHg at 5 AM, a lowest point of 29.74inHg at 2 PM with an avg 29.82inHg.
Alpha, ID Weather – 9-2 – Overcast
65° / 46°
Overcast
It will be overcast in Alpha, with a high of 65°F and a low of 46°F. Rainfall predicted to have a 59% chance with an estimated 0.09in. Wind will be moderate, blowing around 12mph on average and gusts of 19mph at 5 PM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 93% at 12 AM and 21% being its lowest at 6 PM. Barometric pressure is its highest of 29.88inHg at 1 PM, a lowest point of 29.75inHg at 6 PM with an avg 29.82inHg.
Alpha, ID Weather – 9-3 – Overcast
66° / 41°
Overcast
Alpha could see cloud-filled skies with daytime highs of 66°F and nighttime lows near 41°F. There's a moderate 38% chance of rainfall with an estimated 0.03in. Winds will be light at 10mph and gusts of 21.7mph at 5 PM. Humidity levels should be comfortable, sitting around 45% on average, the maximum being 95% at 11 PM and 23% being its lowest at 6 PM. Barometric pressure is its highest of 29.92inHg at 7 AM, a lowest point of 29.69inHg at 6 PM with an avg 29.84inHg.
Alpha, ID Weather – 9-4 – Partly Cloudy
66° / 37°
Partly Cloudy
Alpha could see overcast conditions with daytime highs of 66°F and nighttime lows near 37°F. There might be light rainfall having a 20% chance with an estimated 0.01in. Winds will be light at 8mph and gusts of 14.8mph at 9 PM. The humidity will be on the higher side, averaging about 64%, the maximum being 96% at 1 AM and 24% being its lowest at 4 PM. Barometric pressure is its highest of 29.96inHg at 11 PM, a lowest point of 29.77inHg at 6 PM with an avg 29.86inHg.
Alpha, ID Weather – 9-5 – Sunny
72° / 39°
Sunny
Sunshine is in the forecast for Alpha, with a high of 72°F and a low of 39°F. There's a very small chance of rainfall, only about 2%. Winds will be light at 8mph and gusts of 16.4mph at 3 PM. Humidity levels should be comfortable, sitting around 54% on average, the maximum being 92% at 4 AM and 21% being its lowest at 1 PM. Barometric pressure is its highest of 30.02inHg at 6 AM, a lowest point of 29.83inHg at 6 PM with an avg 29.94inHg.

Currently

Clear 42°F
30.03 inHg.
Barometer
32%
Humidity
E 5.4 mph
Wind
Clear

5 Day Forecast Nearby

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