Current conditions and the National Weather Service 7-day forecast for Roundup, Montana — temperature, rain chance, wind, radar and active alerts.
Saturday Aug 29 night: a low around 53°F. Sunday Aug 30: a high near 74°F and a low around 46°F. The wettest day looks like Sunday Aug 30, near 0.12 in. Highs over the period run 74°F to 86°F.
| Day | High | Low | Precip |
|---|---|---|---|
| Saturday Aug 29 | — | 53° | — |
| Sunday Aug 30 | 74° | 46° | 0.12 in |
| Monday Aug 31 | 82° | 50° | — |
| Tuesday Sep 1 | 86° | 54° | — |
| Wednesday Sep 2 | 86° | 52° | — |
| Thursday Sep 3 | 85° | 52° | — |
| Friday Sep 4 | 83° | 53° | — |
| Saturday Sep 5 | 79° | — | — |