Weather WorldGrade Lake, IA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Grade Lake Weather Forecast
| REST OF TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY |
 |  |  | | | | | | | | | |
| Mostly Clear | Mostly Sunny | Partly Cloudy | Sunny | Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny |
| Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 50°FLo: 10°C | Hi: 61°FHi: 16°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1113 PM CDT Wed Oct 07 2026 
Grade Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Grade Lake Weather Map
Grade Lake Quick Facts
Grade Lake Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1137 PM CDT Wed Oct 7 2026
Key Messages
- Quiet weather through the day Thursday, then a chance of showers and thunderstorms overnight Thursday night into Friday morning. No strong storms or heavy rain anticipated.
- Warmer Friday and Saturday. Breezy and dry on Saturday, with elevated fire weather concerns.
- Rain chances return to northern Iowa around Monday, then perhaps more widespread toward the middle of next week but details remain unclear at that range.
Aviation
/06Z TAFS THROUGH 06Z FRIDAY/... Issued at 1137 PM CDT Wed Oc...