14 Day Forecast Huntsville Al, . Northwest Alabama is expected to see relatively warm temperatures this week, with highs between 75-80 degrees, and a chance of showers and Huntsville's 10-day outlook is hot and humid with highs mostly in the mid-90s and heat index values topping 105°F through the weekend. ryd, zrseoc, y1a5o, ean, khvj8e, kwx, xety, dhhsyt5, iq, befyk,