Keystone, Tuesday, 20 October, 12:28
Mostly clear. Feels like 46°. High 54°, low 30°.
Two-week outlook for Keystone, MT: week one averages a high of 52° and week two 51.6°, so both weeks look similar in temperature. Around 0.2 inches of precipitation are expected over the 14 days, across 1 wet days. The nearest weekend, October 24: 50°, dry.
| Week | High | Low | Precipitation | Vs normal |
|---|---|---|---|---|
| 1st (October 20 – October 26) | 52° | 29° | 0.0 in / 0 d | — |
| 2nd (October 27 – November 2) | 51.6° | 29.3° | 0.2 in / 1 d | — |
Keystone, Wednesday, 21 October
Overcast. High 58°, low 31°.
Keystone, Thursday, 22 October
Light rain. High 58°, low 34°.
Keystone, Friday, 23 October
Mostly clear. High 48°, low 33°.
Keystone, Saturday, 24 October
Clear. High 50°, low 27°.
Keystone, Sunday, 25 October
Mostly clear. High 51°, low 27°.
Keystone, Monday, 26 October
Clear. High 45°, low 22°.
Keystone, Tuesday, 27 October
Partly cloudy. High 50°, low 21°.
Keystone, Wednesday, 28 October
Clear. High 49°, low 24°.
Keystone, Thursday, 29 October
Partly cloudy. High 51°, low 25°.
Keystone, Friday, 30 October
Overcast. High 57°, low 31°.
Keystone, Saturday, 31 October
Mostly clear. High 56°, low 32°.
Keystone, Sunday, 1 November
Light rain. High 54°, low 33°.
Keystone, Monday, 2 November
Light rain. High 44°, low 38°.
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.