Thunderbird Colony, Sunday, 9 August, 06:09
Mostly clear. Feels like 60°. High 84°, low 59°.
Thunderbird Colony, Monday, 10 August
Rain. High 92°, low 55°.
Thunderbird Colony, Tuesday, 11 August
Light rain. High 89°, low 63°.
Thunderbird Colony, Wednesday, 12 August
Clear. High 90°, low 64°.
Thunderbird Colony, Thursday, 13 August
Overcast. High 77°, low 64°.
Thunderbird Colony, Friday, 14 August
Overcast. High 79°, low 58°.
Thunderbird Colony, Saturday, 15 August
Light rain. High 78°, low 63°.
Thunderbird Colony, Sunday, 16 August
Overcast. High 89°, low 64°.
Thunderbird Colony, Monday, 17 August
Light rain. High 87°, low 66°.
Thunderbird Colony, Tuesday, 18 August
Overcast. High 102°, low 73°.
Thunderbird Colony, Wednesday, 19 August
Overcast. High 104°, low 72°.
Thunderbird Colony, Thursday, 20 August
Overcast. High 84°, low 69°.
Thunderbird Colony, Friday, 21 August
Heavy rain. High 87°, low 67°.
Thunderbird Colony, Saturday, 22 August
Rain. High 86°, low 65°.
Thunderbird Colony, Sunday, 23 August
Light rain. High 70°, low 61°.
Thunderbird Colony, Monday, 24 August
Light rain. High 78°, low 63°.
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Thunderbird Colony, SD are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
They are real temperature extremes recorded in Thunderbird Colony, SD since 1960: the highest and lowest reading for each calendar date, with the year it happened.
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.