Preston, IA Weather Forecast

Local 7-day forecast

70°
F

Mostly Clear then Patchy Fog

Track current conditions, temperature changes, wind, and the full daily outlook for Preston, IA in one place.

Tuesday, July 14, 2026
Wind: 0 to 5 mph W
Tonight

Patchy fog after 3am. Mostly clear, with a low around 70. West wind 0 to 5 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Preston, 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 14, 2026 8:09 PM CDT.

The active forecast window currently covers Jul 14 to Jul 21, 2026 for Preston, IA.

Page Snapshot

Page focus
city weather
Forecast window
Jul 14 to Jul 21, 2026
Latest sync
Jul 14, 2026 8:09 PM CDT
Forecast office
DVN
Source
NOAA / NWS
Next High
93°F
Wednesday
Next Low
70°F
Tonight
Rain Outlook
8
Periods mentioning precipitation
Windiest
5 to 10 mph
Saturday

Daily Outlook

Today
Jul 14
Mostly Clear then Patchy Fog
70 °F
/ 70°F
Wind 0 to 5 mph
Wed
Jul 15
Patchy Fog then Sunny
93 °F
/ 72°F
Wind 0 to 5 mph
Thu
Jul 16
Sunny then Slight Chance Showers And Thunderstorms
94 °F
/ 72°F
Wind 0 mph
Fri
Jul 17
Chance Showers And Thunderstorms
93 °F
/ 73°F
Wind 0 to 5 mph
Sat
Jul 18
Sunny
93 °F
/ 70°F
Wind 5 to 10 mph
Sun
Jul 19
Sunny
91 °F
/ 70°F
Wind 5 mph
Mon
Jul 20
Slight Chance Showers And Thunderstorms
91 °F
/ 68°F
Wind 5 to 10 mph

This Week in Preston

Thursday looks like the warmest upcoming period in Preston at 94 degrees F.

Monday Night is the coolest period ahead with temperatures near 68 degrees F.

The strongest winds are forecast for Saturday at about 5 to 10 mph W.

Precipitation is mentioned in 8 upcoming forecast periods.

Forecast Details

Last updated
Jul 14, 2026 8:09 PM CDT
Coverage
8 days
Time zone
America/Chicago
Forecast office
DVN
Radar station
KDVN

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

Open NOAA source

Extended Forecast

Wednesday
Jul 15
93°F
Patchy Fog then Sunny
0 to 5 mph NW

Patchy fog before 9am. Sunny, with a high near 93. Heat index values as high as 100. Northwest wind 0 to 5 mph.

Wednesday Night
Jul 15
72°F
Partly Cloudy
0 to 5 mph SW

Partly cloudy, with a low around 72. Heat index values as high as 100. Southwest wind 0 to 5 mph.

Thursday
Jul 16
94°F
Sunny then Slight Chance Showers And Thunderstorms
0 mph

A slight chance of rain showers between 1pm and 4pm, then a slight chance of showers and thunderstorms. Sunny, with a high near 94. Southwest wind around 0 mph. Chance of precipitation is 20%.

Thursday Night
Jul 16
72°F
Slight Chance Showers And Thunderstorms
0 mph

A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 72.

Friday
Jul 17
93°F
Chance Showers And Thunderstorms
0 to 5 mph SW

A chance of showers and thunderstorms after 7am. Sunny, with a high near 93. Chance of precipitation is 50%.

Friday Night
Jul 17
73°F
Chance Showers And Thunderstorms then Mostly Clear
5 mph SW

A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 73. Chance of precipitation is 50%.

Saturday
Jul 18
93°F
Sunny
5 to 10 mph W

Sunny, with a high near 93.

Saturday Night
Jul 18
70°F
Mostly Clear
5 mph N

Mostly clear, with a low around 70.

Sunday
Jul 19
91°F
Sunny
5 mph SE

Sunny, with a high near 91.

Sunday Night
Jul 19
70°F
Mostly Clear then Slight Chance Showers And Thunderstorms
5 mph S

A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 70.

Monday
Jul 20
91°F
Slight Chance Showers And Thunderstorms
5 to 10 mph W

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91.

Monday Night
Jul 20
68°F
Slight Chance Rain Showers
5 to 10 mph NW

A slight chance of rain showers. Mostly clear, with a low around 68.

Tuesday
Jul 21
86°F
Slight Chance Rain Showers then Mostly Sunny
5 to 10 mph NW

A slight chance of rain showers before 7am. Mostly sunny, with a high near 86.

Detailed Forecast

Period Conditions Temp Wind
Tonight
Jul 14
Mostly Clear then Patchy Fog
70°F
0 to 5 mph
W
Wednesday
Jul 15
Patchy Fog then Sunny
93°F
0 to 5 mph
NW
Wednesday Night
Jul 15
Partly Cloudy
72°F
0 to 5 mph
SW
Thursday
Jul 16
Sunny then Slight Chance Showers And Thunderstorms
94°F
0 mph
Thursday Night
Jul 16
Slight Chance Showers And Thunderstorms
72°F
0 mph
Friday
Jul 17
Chance Showers And Thunderstorms
93°F
0 to 5 mph
SW
Friday Night
Jul 17
Chance Showers And Thunderstorms then Mostly Clear
73°F
5 mph
SW
Saturday
Jul 18
Sunny
93°F
5 to 10 mph
W
Saturday Night
Jul 18
Mostly Clear
70°F
5 mph
N
Sunday
Jul 19
Sunny
91°F
5 mph
SE
Sunday Night
Jul 19
Mostly Clear then Slight Chance Showers And Thunderstorms
70°F
5 mph
S
Monday
Jul 20
Slight Chance Showers And Thunderstorms
91°F
5 to 10 mph
W
Monday Night
Jul 20
Slight Chance Rain Showers
68°F
5 to 10 mph
NW
Tuesday
Jul 21
Slight Chance Rain Showers then Mostly Sunny
86°F
5 to 10 mph
NW
Preston Iowa 20090125 Sign
Preston Iowa 20090125 Sign 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.