Grannis, Tuesday, 20 October, 17:24
Clear. Feels like 63°. High 65°, low 37°.
Two-week outlook for Grannis, MT: week one averages a high of 53.9° and week two 50.7°, so week two runs 3.2° cooler than week one. Around 0.8 inches of precipitation are expected over the 14 days, across 3 wet days. The nearest weekend, October 24: 41°, with precipitation.
| Week | High | Low | Precipitation | Vs normal |
|---|---|---|---|---|
| 1st (October 20 – October 26) | 53.9° | 32.4° | 0.7 in / 2 d | — |
| 2nd (October 27 – November 2) | 50.7° | 28.2° | 0.1 in / 1 d | — |
Grannis, Wednesday, 21 October
Clear. High 70°, low 35°.
Grannis, Thursday, 22 October
Overcast. High 70°, low 40°.
Grannis, Friday, 23 October
Snow. High 50°, low 34°.
Grannis, Saturday, 24 October
Snow. High 41°, low 29°.
Grannis, Sunday, 25 October
Clear. High 49°, low 30°.
Grannis, Monday, 26 October
Light snow. High 33°, low 22°.
Grannis, Tuesday, 27 October
Clear. High 52°, low 21°.
Grannis, Wednesday, 28 October
Partly cloudy. High 42°, low 25°.
Grannis, Thursday, 29 October
Overcast. High 54°, low 25°.
Grannis, Friday, 30 October
Light rain. High 55°, low 34°.
Grannis, Saturday, 31 October
Overcast. High 54°, low 33°.
Grannis, Sunday, 1 November
Snow. High 45°, low 31°.
Grannis, Monday, 2 November
Overcast. High 53°, 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 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.