Weather in Helena Valley West Central, MT
Helena Valley West Central, Sunday, 9 August, 11:45
Mostly clear. Feels like 80°. High 89°, low 52°.
Monthly outlook for Helena Valley West Central, MT: average high 88.9°, average low 57.5°. That is 4.8° above the climate normal for August. Precipitation is expected on 3 days (about 0.4 inches), against a normal of 5 days and 0.9 inches. The warmest day looks like 24 August (100.1°), the coolest 15 August (50.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 84.3° | 80.9° | +1.8° |
| 19 August – 28 August | 96.7° | 78.9° | +9.9° |
| 29 August – 7 September | at normal | 76.2° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Helena (5 mi).
0
Helena Valley West Central, Monday, 10 August
Clear. High 89°, low 52°.
0Helena Valley West Central, Tuesday, 11 August
Clear. High 91°, low 56°.
0.02
Helena Valley West Central, Wednesday, 12 August
Light rain. High 85°, low 57°.
0.07Helena Valley West Central, Thursday, 13 August
Light rain. High 64°, low 53°.
0.18Helena Valley West Central, Friday, 14 August
Light rain. High 75°, low 54°.
0.09Helena Valley West Central, Saturday, 15 August
Light rain. High 84°, low 51°.
0Helena Valley West Central, Sunday, 16 August
Mostly clear. High 90°, low 56°.
0
Helena Valley West Central, Monday, 17 August
Overcast. High 88°, low 65°.
0Helena Valley West Central, Tuesday, 18 August
Clear. High 89°, low 59°.
0Helena Valley West Central, Wednesday, 19 August
Clear. High 92°, low 57°.
0Helena Valley West Central, Thursday, 20 August
Overcast. High 96°, low 62°.
0Helena Valley West Central, Friday, 21 August
Clear. High 94°, low 61°.
0.01Helena Valley West Central, Saturday, 22 August
Light rain. High 99°, low 59°.
0Helena Valley West Central, Sunday, 23 August
Clear. High 98°, low 63°.
0Helena Valley West Central, Monday, 24 August
Clear. High 100°, low 64°.
0.03
Helena Valley West Central, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.03Helena Valley West Central, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.04Helena Valley West Central, Thursday, 27 August
Climate normal for this date — 60-year average.
0.07Helena Valley West Central, Friday, 28 August
Climate normal for this date — 60-year average.
0.04Helena Valley West Central, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Helena Valley West Central, Sunday, 30 August
Climate normal for this date — 60-year average.
0.06Helena Valley West Central, Monday, 31 August
Climate normal for this date — 60-year average.
0.06Helena Valley West Central, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.04Helena Valley West Central, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.02Helena Valley West Central, Thursday, 3 September
Climate normal for this date — 60-year average.
0.05Helena Valley West Central, Friday, 4 September
Climate normal for this date — 60-year average.
0.06Helena Valley West Central, Saturday, 5 September
Climate normal for this date — 60-year average.
0.05Helena Valley West Central, Sunday, 6 September
Climate normal for this date — 60-year average.
0.07Helena Valley West Central, 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 Helena Valley West Central, MT 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 Helena Valley West Central, MT 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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