Current conditions and the National Weather Service 7-day forecast for ZIP code 50131, Johnston, Iowa — temperature, rain chance, wind, radar and alerts.
Saturday Aug 29 night: a low around 74°F. Sunday Aug 30: a high near 93°F and a low around 78°F. The wettest day looks like Monday Aug 31, near 0.04 in. Highs over the period run 90°F to 95°F.
| Day | High | Low | Precip |
|---|---|---|---|
| Saturday Aug 29 | — | 74° | — |
| Sunday Aug 30 | 93° | 78° | — |
| Monday Aug 31 | 94° | 75° | 0.04 in |
| Tuesday Sep 1 | 95° | 76° | — |
| Wednesday Sep 2 | 94° | 73° | — |
| Thursday Sep 3 | 93° | 72° | — |
| Friday Sep 4 | 92° | 72° | — |
| Saturday Sep 5 | 90° | — | — |