Keystone, Thursday, 15 October, 03:05
Clear. Feels like 28°. High 51°, low 28°.
Two-week outlook for Keystone, MT: week one averages a high of 57.8° and week two 44.9°, so week two runs 12.9° cooler than week one. Around 0.2 inches of precipitation are expected over the 14 days, across 2 wet days. The nearest weekend, October 17: 62°, dry.
| Week | High | Low | Precipitation | Vs normal |
|---|---|---|---|---|
| 1st (October 15 – October 21) | 57.8° | 32.1° | 0.0 in / 1 d | — |
| 2nd (October 22 – October 28) | 44.9° | 29.2° | 0.1 in / 1 d | — |
Keystone, Friday, 16 October
Overcast. High 59°, low 30°.
Keystone, Saturday, 17 October
Partly cloudy. High 62°, low 33°.
Keystone, Sunday, 18 October
Clear. High 56°, low 30°.
Keystone, Monday, 19 October
Overcast. High 62°, low 31°.
Keystone, Tuesday, 20 October
Overcast. High 60°, low 35°.
Keystone, Wednesday, 21 October
Light rain. High 55°, low 38°.
Keystone, Thursday, 22 October
Light rain. High 45°, low 36°.
Keystone, Friday, 23 October
Snow. High 36°, low 26°.
Keystone, Saturday, 24 October
Partly cloudy. High 43°, low 22°.
Keystone, Sunday, 25 October
Light rain. High 40°, low 29°.
Keystone, Monday, 26 October
Partly cloudy. High 46°, low 25°.
Keystone, Tuesday, 27 October
Overcast. High 50°, low 31°.
Keystone, Wednesday, 28 October
Overcast. High 53°, low 36°.
Week one is solid for planning — accuracy is high. Week two shows the trend: go by the averages and the comparison with normal, and check the details closer to the date.
It is the gap between the forecast and the climate normal for those same dates in Keystone, MT, computed over 60 years. A positive value means the week runs warmer than usual.
Saturday and Sunday plans are what people check most, so we give them their own cards with temperature and precipitation.