Current conditions and the National Weather Service 7-day forecast for Lewistown, Montana — temperature, rain chance, wind, radar and active alerts.
Saturday Aug 29 night: a low around 48°F. Sunday Aug 30: a high near 65°F and a low around 42°F. The wettest day looks like Sunday Aug 30, near 0.21 in. Highs over the period run 65°F to 84°F.
| Day | High | Low | Precip |
|---|---|---|---|
| Saturday Aug 29 | — | 48° | 0.07 in |
| Sunday Aug 30 | 65° | 42° | 0.21 in |
| Monday Aug 31 | 76° | 47° | — |
| Tuesday Sep 1 | 84° | 53° | — |
| Wednesday Sep 2 | 82° | 50° | — |
| Thursday Sep 3 | 80° | 48° | — |
| Friday Sep 4 | 78° | 48° | — |
| Saturday Sep 5 | 75° | — | — |