Monona County, IA Weather Forecast

County weather hub

67°
F

Chance Showers And Thunderstorms then Showers And Thunderstorms

Compare major city weather across Monona County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.

Saturday, April 11, 2026
Wind: 10 to 18 mph SE
Saturday

A chance of showers and thunderstorms before 7am, then showers and thunderstorms. Cloudy, with a high near 67. Southeast wind 10 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

County weather hub

County Weather Overview

This county weather page brings together forecast coverage for Monona County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.

Current forecast coverage spans 2 of 2 mapped cities in Monona County.

Page Snapshot

Page focus
county weather
Forecast window
Apr 11 to Apr 15, 2026
Latest sync
Apr 9, 2026 5:32 PM CDT
Forecast office
OAX
Source
NOAA / NWS
Next High
67°F
Saturday
Next Low
58°F
Saturday Night
Rain Outlook
10
Periods mentioning precipitation
Windiest
18 to 22 mph
Sunday

Daily Outlook

Today
Apr 11
Chance Showers And Thunderstorms then Showers And Thunderstorms
67 °F
/ 58°F
Wind 10 to 18 mph
Sun
Apr 12
Rain Showers Likely
79 °F
/ 57°F
Wind 18 to 22 mph
Mon
Apr 13
Mostly Sunny then Slight Chance Rain Showers
82 °F
/ 56°F
Wind 8 to 17 mph
Tue
Apr 14
Chance Showers And Thunderstorms
77 °F
/ 46°F
Wind 7 to 15 mph
Wed
Apr 15
Chance Rain Showers
69 °F
/ 46°F
Wind 10 to 14 mph

This Week in Monona County

Monday looks like the warmest upcoming period in Monona County at 82 degrees F.

Tuesday Night is the coolest period ahead with temperatures near 46 degrees F.

The strongest winds are forecast for Sunday at about 18 to 22 mph SSW.

Precipitation is mentioned in 10 upcoming forecast periods.

Forecast Details

Last updated
Apr 9, 2026 5:32 PM CDT
Coverage
5 days
Time zone
America/Chicago
Forecast office
OAX
Radar station
KOAX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Saturday Night
Apr 11
58°F
Showers And Thunderstorms Likely
18 mph S

Showers and thunderstorms likely. Cloudy, with a low around 58. South wind around 18 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

Sunday
Apr 12
79°F
Rain Showers Likely
18 to 22 mph SSW

Rain showers likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 79. South southwest wind 18 to 22 mph, with gusts as high as 33 mph.

Sunday Night
Apr 12
57°F
Chance Showers And Thunderstorms
8 to 15 mph SSW

A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 57. South southwest wind 8 to 15 mph, with gusts as high as 25 mph.

Monday
Apr 13
82°F
Mostly Sunny then Slight Chance Rain Showers
8 to 17 mph S

A slight chance of rain showers after 1pm. Mostly sunny, with a high near 82. South wind 8 to 17 mph, with gusts as high as 28 mph.

Monday Night
Apr 13
56°F
Chance Showers And Thunderstorms
7 to 14 mph S

A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 56. South wind 7 to 14 mph, with gusts as high as 22 mph.

Tuesday
Apr 14
77°F
Chance Showers And Thunderstorms
7 to 15 mph SSW

A chance of showers and thunderstorms. Mostly sunny, with a high near 77. South southwest wind 7 to 15 mph, with gusts as high as 24 mph.

Tuesday Night
Apr 14
46°F
Chance Showers And Thunderstorms
10 to 14 mph WSW

A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 46. West southwest wind 10 to 14 mph, with gusts as high as 22 mph.

Wednesday
Apr 15
69°F
Chance Rain Showers
10 to 14 mph W

A chance of rain showers. Partly sunny, with a high near 69. West wind 10 to 14 mph, with gusts as high as 23 mph.

Wednesday Night
Apr 15
46°F
Chance Rain Showers
7 to 10 mph SW

A chance of rain showers before 1am. Partly cloudy, with a low around 46. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.

Detailed Forecast

Period Conditions Temp Wind
Saturday
Apr 11
Chance Showers And Thunderstorms then Showers And Thunderstorms
67°F
10 to 18 mph
SE
Saturday Night
Apr 11
Showers And Thunderstorms Likely
58°F
18 mph
S
Sunday
Apr 12
Rain Showers Likely
79°F
18 to 22 mph
SSW
Sunday Night
Apr 12
Chance Showers And Thunderstorms
57°F
8 to 15 mph
SSW
Monday
Apr 13
Mostly Sunny then Slight Chance Rain Showers
82°F
8 to 17 mph
S
Monday Night
Apr 13
Chance Showers And Thunderstorms
56°F
7 to 14 mph
S
Tuesday
Apr 14
Chance Showers And Thunderstorms
77°F
7 to 15 mph
SSW
Tuesday Night
Apr 14
Chance Showers And Thunderstorms
46°F
10 to 14 mph
WSW
Wednesday
Apr 15
Chance Rain Showers
69°F
10 to 14 mph
W
Wednesday Night
Apr 15
Chance Rain Showers
46°F
7 to 10 mph
SW

Coverage

Tracked cities
2
Coverage
100%

Forecast coverage currently spans 2 of 2 mapped cities in Monona County.

Largest mapped city population in this region: 2,766.

MONONA COUNTY COURTHOUSE  ONAWA  IOWA
MONONA COUNTY COURTHOUSE ONAWA IOWA image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.