Sac County, IA Weather Forecast

County weather hub

40°
F

Mostly Cloudy

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

Thursday, October 15, 2026
Wind: 15 to 20 mph NW
Tonight

Mostly cloudy, with a low around 40. Northwest wind 15 to 20 mph, with gusts as high as 33 mph.

County weather hub

County Weather Overview

This county weather page brings together forecast coverage for Sac 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 Sac County.

Page Snapshot

Page focus
county weather
Forecast window
Oct 15 to Oct 22, 2026
Latest sync
Oct 16, 2026 1:38 AM CDT
Forecast office
DMX
Source
NOAA / NWS
Next High
51°F
Friday
Next Low
40°F
Tonight
Rain Outlook
3
Periods mentioning precipitation
Windiest
10 to 23 mph
Friday

Daily Outlook

Today
Oct 15
Mostly Cloudy
40 °F
/ 40°F
Wind 15 to 20 mph
Fri
Oct 16
Partly Sunny
51 °F
/ 30°F
Wind 10 to 23 mph
Sat
Oct 17
Widespread Frost then Sunny
58 °F
/ 41°F
Wind 3 to 14 mph
Sun
Oct 18
Sunny
66 °F
/ 45°F
Wind 10 to 14 mph
Mon
Oct 19
Mostly Sunny
67 °F
/ 47°F
Wind 6 mph
Tue
Oct 20
Mostly Sunny
72 °F
/ 53°F
Wind 2 to 8 mph
Wed
Oct 21
Slight Chance Rain Showers
75 °F
/ 56°F
Wind 6 to 10 mph

This Week in Sac County

Wednesday looks like the warmest upcoming period in Sac County at 75 degrees F.

Friday Night is the coolest period ahead with temperatures near 30 degrees F.

The strongest winds are forecast for Friday at about 10 to 23 mph NNW.

Precipitation is mentioned in 3 upcoming forecast periods.

Forecast Details

Last updated
Oct 16, 2026 1:38 AM CDT
Coverage
7 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
Oct 16
51°F
Partly Sunny
10 to 23 mph NNW

Partly sunny, with a high near 51. North northwest wind 10 to 23 mph, with gusts as high as 39 mph.

Friday Night
Oct 16
30°F
Widespread Frost
1 to 8 mph W

Widespread frost after 9pm. Clear, with a low around 30. West wind 1 to 8 mph.

Saturday
Oct 17
58°F
Widespread Frost then Sunny
3 to 14 mph SSW

Widespread frost before 10am. Sunny. High near 58, with temperatures falling to around 55 in the afternoon. South southwest wind 3 to 14 mph, with gusts as high as 24 mph.

Saturday Night
Oct 17
41°F
Clear
12 mph SSW

Clear, with a low around 41. South southwest wind around 12 mph, with gusts as high as 21 mph.

Sunday
Oct 18
66°F
Sunny
10 to 14 mph SSW

Sunny, with a high near 66.

Sunday Night
Oct 18
45°F
Mostly Clear
5 to 8 mph S

Mostly clear, with a low around 45.

Monday
Oct 19
67°F
Mostly Sunny
6 mph S

Mostly sunny, with a high near 67.

Monday Night
Oct 19
47°F
Partly Cloudy
3 mph SSE

Partly cloudy, with a low around 47.

Tuesday
Oct 20
72°F
Mostly Sunny
2 to 8 mph SSE

Mostly sunny, with a high near 72.

Tuesday Night
Oct 20
53°F
Mostly Clear
6 mph SSE

Mostly clear, with a low around 53.

Wednesday
Oct 21
75°F
Slight Chance Rain Showers
6 to 10 mph SSE

A slight chance of rain showers after 7am. Mostly sunny, with a high near 75.

Wednesday Night
Oct 21
56°F
Slight Chance Rain Showers
7 mph S

A slight chance of rain showers. Partly cloudy, with a low around 56.

Thursday
Oct 22
75°F
Chance Rain Showers
9 mph S

A chance of rain showers. Partly sunny, with a high near 75.

Detailed Forecast

Period Conditions Temp Wind
Tonight
Oct 15
Mostly Cloudy
40°F
15 to 20 mph
NW
Friday
Oct 16
Partly Sunny
51°F
10 to 23 mph
NNW
Friday Night
Oct 16
Widespread Frost
30°F
1 to 8 mph
W
Saturday
Oct 17
Widespread Frost then Sunny
58°F
3 to 14 mph
SSW
Saturday Night
Oct 17
Clear
41°F
12 mph
SSW
Sunday
Oct 18
Sunny
66°F
10 to 14 mph
SSW
Sunday Night
Oct 18
Mostly Clear
45°F
5 to 8 mph
S
Monday
Oct 19
Mostly Sunny
67°F
6 mph
S
Monday Night
Oct 19
Partly Cloudy
47°F
3 mph
SSE
Tuesday
Oct 20
Mostly Sunny
72°F
2 to 8 mph
SSE
Tuesday Night
Oct 20
Mostly Clear
53°F
6 mph
SSE
Wednesday
Oct 21
Slight Chance Rain Showers
75°F
6 to 10 mph
SSE
Wednesday Night
Oct 21
Slight Chance Rain Showers
56°F
7 mph
S
Thursday
Oct 22
Chance Rain Showers
75°F
9 mph
S

Coverage

Tracked cities
2
Coverage
100%

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

Largest mapped city population in this region: 2,068.

SacCityIA CountyCourthouse
SacCityIA CountyCourthouse 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.