Grannis, Friday, 23 October, 00:01
Clear. Feels like 47°. High 52°, low 31°.
Two-week outlook for Grannis, MT: week one averages a high of 42.9° and week two 42.3°, so both weeks look similar in temperature. Around 1.7 inches of precipitation are expected over the 14 days, across 5 wet days. The nearest weekend, October 24: 41°, dry.
| Week | High | Low | Precipitation | Vs normal |
|---|---|---|---|---|
| 1st (October 23 – October 29) | 42.9° | 28.6° | 1.3 in / 4 d | — |
| 2nd (October 30 – November 5) | 42.3° | 25.3° | 0.4 in / 1 d | — |
Grannis, Saturday, 24 October
Clear. High 41°, low 26°.
Grannis, Sunday, 25 October
Clear. High 47°, low 29°.
Grannis, Monday, 26 October
Clear. High 47°, low 27°.
Grannis, Tuesday, 27 October
Light rain. High 47°, low 35°.
Grannis, Wednesday, 28 October
Snow. High 36°, low 28°.
Grannis, Thursday, 29 October
Light snow. High 30°, low 24°.
Grannis, Friday, 30 October
Snow. High 32°, low 24°.
Grannis, Saturday, 31 October
Light snow. High 37°, low 25°.
Grannis, Sunday, 1 November
Snow. High 36°, low 24°.
Grannis, Monday, 2 November
Partly cloudy. High 40°, low 21°.
Grannis, Tuesday, 3 November
Clear. High 43°, low 21°.
Grannis, Wednesday, 4 November
Partly cloudy. High 50°, low 28°.
Grannis, Thursday, 5 November
Clear. High 58°, low 34°.
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 Grannis, 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.