Weather in Sulphur Springs, IA
Sulphur Springs, Sunday, 9 August, 15:11
Clear. Feels like 89°. High 85°, low 68°.
Monthly outlook for Sulphur Springs, IA: average high 85.5°, average low 64.9°. That is 3.3° above the climate normal for August. Precipitation is expected on 6 days (about 2.4 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 11 August (96.9°), the coolest 22 August (59.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 83.8° | 79.4° | +2.5° |
| 19 August – 28 August | 88.3° | 79.7° | +4.8° |
| 29 August – 7 September | at normal | 78.2° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Lakeside (4 mi).
0.04
Sulphur Springs, Monday, 10 August
Light rain. High 87°, low 66°.
0
Sulphur Springs, Tuesday, 11 August
Overcast. High 97°, low 67°.
0.27Sulphur Springs, Wednesday, 12 August
Rain. High 91°, low 66°.
0.81Sulphur Springs, Thursday, 13 August
Heavy rain. High 75°, low 64°.
0.36Sulphur Springs, Friday, 14 August
Rain. High 75°, low 66°.
0.07Sulphur Springs, Saturday, 15 August
Light rain. High 84°, low 66°.
0Sulphur Springs, Sunday, 16 August
Overcast. High 77°, low 64°.
0.74Sulphur Springs, Monday, 17 August
Rain. High 80°, low 64°.
0Sulphur Springs, Tuesday, 18 August
Overcast. High 87°, low 66°.
0Sulphur Springs, Wednesday, 19 August
Light rain. High 77°, low 66°.
0
Sulphur Springs, Thursday, 20 August
Mostly clear. High 91°, low 66°.
0
Sulphur Springs, Friday, 21 August
Partly cloudy. High 84°, low 61°.
0.01Sulphur Springs, Saturday, 22 August
Light rain. High 93°, low 60°.
0.03Sulphur Springs, Sunday, 23 August
Light rain. High 94°, low 62°.
0.02Sulphur Springs, Monday, 24 August
Light rain. High 90°, low 65°.
0.13Sulphur Springs, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.13
Sulphur Springs, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.11Sulphur Springs, Thursday, 27 August
Climate normal for this date — 60-year average.
0.24Sulphur Springs, Friday, 28 August
Climate normal for this date — 60-year average.
0.1Sulphur Springs, Saturday, 29 August
Climate normal for this date — 60-year average.
0.07Sulphur Springs, Sunday, 30 August
Climate normal for this date — 60-year average.
0.09Sulphur Springs, Monday, 31 August
Climate normal for this date — 60-year average.
0.07Sulphur Springs, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11Sulphur Springs, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.07Sulphur Springs, Thursday, 3 September
Climate normal for this date — 60-year average.
0.12Sulphur Springs, Friday, 4 September
Climate normal for this date — 60-year average.
0.07Sulphur Springs, Saturday, 5 September
Climate normal for this date — 60-year average.
0.03Sulphur Springs, Sunday, 6 September
Climate normal for this date — 60-year average.
0.13Sulphur Springs, Monday, 7 September
Climate normal for this date — 60-year average.
About the monthly outlook
How accurate is a 30-day forecast?
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 Sulphur Springs, IA are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
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.
Where do the 66-year records come from?
They are real temperature extremes recorded in Sulphur Springs, IA since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.
Sun and moon today
Weather history
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