Cass County, IA Weather Forecast

County weather hub

89°
F

Slight Chance Showers And Thunderstorms then Mostly Sunny

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

Friday, May 15, 2026
Wind: 16 to 20 mph S
Friday

A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 89.

County weather hub

County Weather Overview

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

Current forecast coverage spans 1 of 1 mapped cities in Cass County.

Page Snapshot

Page focus
county weather
Forecast window
May 15 to May 16, 2026
Latest sync
May 10, 2026 6:44 PM CDT
Forecast office
DMX
Source
NOAA / NWS
Next High
89°F
Friday
Next Low
59°F
Friday Night
Rain Outlook
2
Periods mentioning precipitation
Windiest
16 to 20 mph
Friday

Daily Outlook

Today
May 15
Slight Chance Showers And Thunderstorms then Mostly Sunny
89 °F
/ 59°F
Wind 16 to 20 mph
Sat
May 16
Mostly Sunny
86 °F
/ 59°F
Wind 8 to 15 mph

This Week in Cass County

Friday looks like the warmest upcoming period in Cass County at 89 degrees F.

Friday Night is the coolest period ahead with temperatures near 59 degrees F.

The strongest winds are forecast for Friday at about 16 to 20 mph S.

Precipitation is mentioned in 2 upcoming forecast periods.

Forecast Details

Last updated
May 10, 2026 6:44 PM CDT
Coverage
2 days
Time zone
America/Chicago
Forecast office
DMX
Radar station
KDMX

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

Open NOAA source

Extended Forecast

Friday Night
May 15
59°F
Partly Cloudy
8 to 14 mph SW

Partly cloudy, with a low around 59.

Saturday
May 16
86°F
Mostly Sunny
8 to 15 mph WNW

Mostly sunny, with a high near 86.

Saturday Night
May 16
59°F
Slight Chance Showers And Thunderstorms
10 to 15 mph S

A slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 59.

Detailed Forecast

Period Conditions Temp Wind
Friday
May 15
Slight Chance Showers And Thunderstorms then Mostly Sunny
89°F
16 to 20 mph
S
Friday Night
May 15
Partly Cloudy
59°F
8 to 14 mph
SW
Saturday
May 16
Mostly Sunny
86°F
8 to 15 mph
WNW
Saturday Night
May 16
Slight Chance Showers And Thunderstorms
59°F
10 to 15 mph
S

Major City Forecasts

Live forecast snapshots for major cities across Cass County.

Coverage

Tracked cities
1
Coverage
100%

Forecast coverage currently spans 1 of 1 mapped cities in Cass County.

Largest mapped city population in this region: 6,513.

Cass Co IA Court House
Cass Co IA Court House 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.