Calmar, IA Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Calmar, IA in one place.
A chance of rain showers after 10am. Mostly cloudy, with a high near 70. East wind 6 to 10 mph. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Calmar, 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: Jun 20, 2026 7:19 AM CDT.
The active forecast window currently covers Jun 21 to Jun 26, 2026 for Calmar, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 21 to Jun 26, 2026
- Latest sync
- Jun 20, 2026 7:19 AM CDT
- Forecast office
- ARX
- Source
- NOAA / NWS
Daily Outlook
This Week in Calmar
Friday looks like the warmest upcoming period in Calmar at 76 degrees F.
Sunday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Sunday at about 6 to 10 mph E.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 20, 2026 7:19 AM CDT
- Coverage
- 6 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 chance of rain showers before 1am. Mostly cloudy, with a low around 54. Northeast wind 6 to 10 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
Mostly sunny, with a high near 74. Northeast wind around 7 mph.
Partly cloudy, with a low around 54. Northeast wind around 5 mph.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 75. South wind 2 to 7 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Partly cloudy, with a low around 57. Southwest wind around 7 mph. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 74. West wind 7 to 10 mph. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 54. Northwest wind 3 to 9 mph. Chance of precipitation is 20%.
Mostly sunny, with a high near 75. North wind around 6 mph.
Partly cloudy, with a low around 55. Northeast wind 1 to 5 mph.
Mostly sunny, with a high near 76. Southeast wind around 5 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Jun 21
|
Chance Rain Showers
|
70°F |
6 to 10 mph
E
|
|
Sunday Night
Jun 21
|
Chance Rain Showers
|
54°F |
6 to 10 mph
NE
|
|
Monday
Jun 22
|
Mostly Sunny
|
74°F |
7 mph
NE
|
|
Monday Night
Jun 22
|
Partly Cloudy
|
54°F |
5 mph
NE
|
|
Tuesday
Jun 23
|
Mostly Sunny then Chance Showers And Thunderstorms
|
75°F |
2 to 7 mph
S
|
|
Tuesday Night
Jun 23
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
57°F |
7 mph
SW
|
|
Wednesday
Jun 24
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
74°F |
7 to 10 mph
W
|
|
Wednesday Night
Jun 24
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
54°F |
3 to 9 mph
NW
|
|
Thursday
Jun 25
|
Mostly Sunny
|
75°F |
6 mph
N
|
|
Thursday Night
Jun 25
|
Partly Cloudy
|
55°F |
1 to 5 mph
NE
|
|
Friday
Jun 26
|
Mostly Sunny
|
76°F |
5 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Calmar.