Keystone, Tuesday, 27 October, 09:14
Overcast. Feels like 29°. High 38°, low 31°.
Two-week outlook for Keystone, MT: week one averages a high of 41.6° and week two 46.9°, so week two runs 5.2° warmer than week one. Around 0.5 inches of precipitation are expected over the 14 days, across 3 wet days. The nearest weekend, October 31: 46°, dry.
| Week | High | Low | Precipitation | Vs normal |
|---|---|---|---|---|
| 1st (October 27 – November 2) | 41.6° | 26.7° | 0.2 in / 2 d | — |
| 2nd (November 3 – November 9) | 46.9° | 29.6° | 0.3 in / 1 d | — |
Keystone, Wednesday, 28 October
Snow. High 37°, low 24°.
Keystone, Thursday, 29 October
Light rain. High 42°, low 25°.
Keystone, Friday, 30 October
Light rain. High 44°, low 26°.
Keystone, Saturday, 31 October
Light rain. High 46°, low 27°.
Keystone, Sunday, 1 November
Snow. High 43°, low 29°.
Keystone, Monday, 2 November
Clear. High 41°, low 24°.
Keystone, Tuesday, 3 November
Overcast. High 44°, low 22°.
Keystone, Wednesday, 4 November
Overcast. High 45°, low 24°.
Keystone, Thursday, 5 November
Overcast. High 49°, low 31°.
Keystone, Friday, 6 November
Overcast. High 53°, low 33°.
Keystone, Saturday, 7 November
Rain. High 49°, low 38°.
Keystone, Sunday, 8 November
Light rain. High 39°, low 30°.
Keystone, Monday, 9 November
Overcast. High 48°, low 28°.
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.