KNOXVILLE, IA 50138 Weather Forecast & Current Conditions

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KNOXVILLE, IA
Current Weather

5:15 PM CDT JUL 25, 2026
Few Clouds
86°F
Feels Like: 97°F
Dewpoint: 77°F
Rel. Hum.: 75%
Visibility: 10 miles
Wind: S at 10 mph
Pressure: 29.92 inches
Last 72 hours

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KNOXVILLE, IA 50138
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Partly cloudy. Humid with lows in the mid 70s. South winds around 5 mph. Heat index values up to 104 early this evening.
SUNDAY
Mostly sunny. A slight chance of showers and thunderstorms in the morning. Hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 115.
SUNDAY NIGHT
Partly cloudy. A slight chance of showers and thunderstorms after midnight. Humid with lows in the upper 70s. Southwest winds around 10 mph with gusts up to 20 mph. Chance of rain 20 percent. Heat index values up to 111 early in the evening.
MONDAY
Sunny, hot with highs in the mid 90s. Southwest winds around 10 mph. Heat index values up to 111.
MONDAY NIGHT
Mostly clear. Humid with lows in the lower 70s. North winds 5 to 10 mph. Heat index values up to 110 early in the evening.
TUESDAY
Mostly sunny. Highs around 90.
TUESDAY NIGHT
Mostly clear. Lows in the upper 60s.
WEDNESDAY
Sunny. Highs around 90.
WEDNESDAY NIGHT
Mostly clear. Lows in the upper 60s.
THURSDAY
Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 20 percent.
THURSDAY NIGHT
Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 20 percent.
FRIDAY
Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 20 percent.
FRIDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. A slight chance of thunderstorms. A chance of showers, mainly in the evening. Lows in the upper 60s. Chance of rain 30 percent.

Visible Weather Satellite
KNOXVILLE, IA 50138
Infrared Weather Satellite
KNOXVILLE, IA 50138
NEXRAD Weather Radar
KNOXVILLE, IA 50138

KNOXVILLE, IA 3 hourly weather forecast

weather forecast created  5:00 AM PDT  7/25/2026
Saturday
25 JUL 2026
KNOXVILLE, IA 50138 weather forecast Day 1, 12 hours 1 PM 86° 94° Partly Cloudy 0%

0% Thunder
( 5% severe)
SW   3 68% 74°
High 91° KNOXVILLE, IA 50138 weather forecast Day 1, 15 hours 4 PM 90° 100° Partly Cloudy SW   5 60% 74°
Partly Cloudy



KNOXVILLE, IA 50138 weather forecast Day 1, 18 hours 7 PM 89° 99° Partly Cloudy 0%

0% Thunder
( 4% severe)
  CALM 64% 75°
KNOXVILLE, IA 50138 weather forecast Day 1, 21 hours 10 PM 79° 83° Mostly Cloudy S   3 88% 75°
Sunday
26 JUL 2026
KNOXVILLE, IA 50138 weather forecast Day 2, 0 hours 1 AM 76° 76° Mostly Cloudy 4%

0% Thunder
( 18% severe)
S   5 94% 74°
Low 74° KNOXVILLE, IA 50138 weather forecast Day 2, 3 hours 4 AM 74° 74° Mostly Cloudy SW   6 100% 74°
High 95° KNOXVILLE, IA 50138 weather forecast Day 2, 6 hours 7 AM 75° 75° Mostly Cloudy 4%

0% Thunder
( 15% severe)
SW   7 100% 75°

Mostly Cloudy



KNOXVILLE, IA 50138 weather forecast Day 2, 9 hours 10 AM 87° 100° Mostly Cloudy SSW   9 75% 78°
KNOXVILLE, IA 50138 weather forecast Day 2, 12 hours 1 PM 93° 109° Partly Cloudy 3%

0% Thunder
( 20% severe)
SW   10 62% 78°
KNOXVILLE, IA 50138 weather forecast Day 2, 15 hours 4 PM 95° 107° Mostly Cloudy SSW   12 53% 75°
KNOXVILLE, IA 50138 weather forecast Day 2, 18 hours 7 PM 92° 103° Partly Cloudy 1%

0% Thunder
( 7% severe)
SSW   10 58% 75°
KNOXVILLE, IA 50138 weather forecast Day 2, 21 hours 10 PM 84° 91° Mostly Cloudy SSW   12 72% 74°
Monday
27 JUL 2026
KNOXVILLE, IA 50138 weather forecast Day 3, 0 hours 1 AM 81° 86° Partly Cloudy 20%
RAIN
<.01 in
0% Thunder
( 28% severe)
SW   12 79% 74°
Low 77° KNOXVILLE, IA 50138 weather forecast Day 3, 3 hours 4 AM 78° 80° Partly Cloudy SW   13 85% 73°
High 95° KNOXVILLE, IA 50138 weather forecast Day 3, 6 hours 7 AM 77° 78° Partly Cloudy 8%

0% Thunder
( 18% severe)
SW   12 85% 72°

Clear



KNOXVILLE, IA 50138 weather forecast Day 3, 9 hours 10 AM 86° 94° Clear SSW   12 68% 74°
KNOXVILLE, IA 50138 weather forecast Day 3, 15 hours 1 PM 92° 103° Clear 1%

0% Thunder
( 11% severe)
SW   10 58% 75°
KNOXVILLE, IA 50138 weather forecast Day 3, 18 hours 4 PM 95° 106° Clear W   10 51% 74°
KNOXVILLE, IA 50138 weather forecast Day 3, 21 hours 7 PM 91° 102° Clear     NW   9 60% 75°

KNOXVILLE, IA extended weather forecast

Tuesday
28 JUL 2026
Wednesday
29 JUL 2026
Thursday
30 JUL 2026
Friday
31 JUL 2026
Saturday
1 AUG 2026
Low 75° Low 70° Low 69° Low 70° Low 68°
High 94° High 93° High 91° High 87° High 88°
KNOXVILLE, IA 50138 weather forecast Day 4 KNOXVILLE, IA 50138 weather forecast Day 5 KNOXVILLE, IA 50138 weather forecast Day 6 KNOXVILLE, IA 50138 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
13% Rain
Clear
7% Rain
Partly Cloudy
15% Rain
Partly Cloudy
23% Rain
Partly Cloudy
26% Rain
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