Smith Lake, IA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Smith Lake Weather Forecast
| THIS AFTERNOON | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
| Sunny | Partly Cloudy | Sunny | Partly Cloudy | Sunny | Mostly Clear | Mostly Sunny | Mostly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers |
| Hi: 70°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C | Lo: 50°FLo: 10°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 61°FLo: 16°C | Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C |
| POP: 40% | POP: 40% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1123 AM CDT Tue Oct 20 2026 

Smith Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Smith Lake Weather Map
Smith Lake Quick Facts
Smith Lake Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1231 PM CDT Tue Oct 20 2026
Key Messages
- Warmer temperatures mainly in the 70s this week.
- Strong south winds gusting to 30-40 mph arrive Friday, increasing fire danger for areas with standing crops.
- Outside of a few light showers tonight, dry conditions will continue, with our next chance of rain not expected until Saturday and Sunday.
Discussion
... Issued at 1213 PM CDT Tue Oct 20 2026
Today and Tonight...
Quiet weather will prevail again today as gusty southerly winds continue to advect warmer air into the region this aftern...
Weather World