Ionia, IA Weather Forecast
Local 7-day forecast
Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Ionia, IA in one place.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 89. South wind 3 to 8 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Ionia, IA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 15, 2026 1:07 AM CDT.
The active forecast window currently covers Jul 17 to Jul 21, 2026 for Ionia, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 17 to Jul 21, 2026
- Latest sync
- Jul 15, 2026 1:07 AM CDT
- Forecast office
- ARX
- Source
- NOAA / NWS
Daily Outlook
This Week in Ionia
Friday looks like the warmest upcoming period in Ionia at 89 degrees F.
Monday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Monday at about 7 to 14 mph W.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 15, 2026 1:07 AM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- ARX
- Radar station
- KARX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 71. Southwest wind around 7 mph. Chance of precipitation is 20%.
Sunny, with a high near 89. West wind 7 to 10 mph.
Mostly clear, with a low around 68. Northeast wind 6 to 9 mph.
Sunny, with a high near 88. South wind around 7 mph.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69. Southwest wind around 8 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 87. West wind 7 to 14 mph. Chance of precipitation is 20%.
Partly cloudy, with a low around 66. Northwest wind 9 to 13 mph.
Mostly sunny, with a high near 81. Northwest wind 9 to 14 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 17
|
Sunny then Slight Chance Showers And Thunderstorms
|
89°F |
3 to 8 mph
S
|
|
Friday Night
Jul 17
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
71°F |
7 mph
SW
|
|
Saturday
Jul 18
|
Sunny
|
89°F |
7 to 10 mph
W
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
68°F |
6 to 9 mph
NE
|
|
Sunday
Jul 19
|
Sunny
|
88°F |
7 mph
S
|
|
Sunday Night
Jul 19
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
69°F |
8 mph
SW
|
|
Monday
Jul 20
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
87°F |
7 to 14 mph
W
|
|
Monday Night
Jul 20
|
Partly Cloudy
|
66°F |
9 to 13 mph
NW
|
|
Tuesday
Jul 21
|
Mostly Sunny
|
81°F |
9 to 14 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Ionia.