KNOXVILLE, IA 50138 Weather Forecast & Current Conditions
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  50138 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

KNOXVILLE, IA
Current Weather
11:15 PM CDT AUG 12, 2026
Broken Clouds
75°F
Feels Like: 75°F
Dewpoint: 73°F
Rel. Hum.: 94%
Visibility: 10 miles
Wind: E at 7 mph
Pressure: 29.86 inches
Last 72 hours

Local Area Snow Depth

Iowa Current Weather

Iowa MOS Forecast Weather


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(Automated weather data from NWS/FAA)
  50138 WEATHER FORECAST
10-Day model forecast maps
2026 Hurricanes

KNOXVILLE, IA 50138
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
REST OF TONIGHT
Mostly clear late this evening, then mostly cloudy with a slight chance of showers and thunderstorms. Lows around 70. East winds around 5 mph. Chance of rain 20 percent.
THURSDAY
Becoming mostly sunny in the afternoon. A chance of thunderstorms. Showers, mainly in the morning. Locally heavy rainfall possible in the morning. Humid with highs in the lower 80s. East winds 5 to 10 mph. Chance of rain near 100 percent.
THURSDAY NIGHT
Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Humid with lows in the upper 60s. East winds 10 to 15 mph. Chance of rain 70 percent.
FRIDAY
Mostly cloudy. A chance of showers and thunderstorms in the morning. Humid with highs in the mid 80s. East winds around 10 mph. Chance of rain 40 percent.
FRIDAY NIGHT
Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. East winds 5 to 10 mph. Chance of rain 50 percent.
SATURDAY
Mostly cloudy with a slight chance of showers and thunderstorms in the morning, then partly sunny in the afternoon. Highs in the upper 80s. Chance of rain 20 percent. Heat index values up to 100 in the afternoon.
SATURDAY NIGHT
Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows around 70. Chance of rain 50 percent. Heat index values up to 100 early in the evening.
SUNDAY
Mostly cloudy with a chance of showers and thunderstorms in the morning, then partly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent.
SUNDAY NIGHT
Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 60s. Chance of rain 20 percent.
MONDAY
Mostly sunny. Highs in the upper 70s.
MONDAY NIGHT
Partly cloudy. A slight chance of showers after midnight. Lows in the lower 60s. Chance of rain 20 percent.
TUESDAY
Mostly sunny. A slight chance of showers in the morning. Highs in the lower 80s. Chance of rain 20 percent.
TUESDAY NIGHT
Partly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 20 percent.

  50138 WEATHER SATELLITE LOOPS
Visible Weather Satellite
KNOXVILLE, IA 50138
Infrared Weather Satellite
KNOXVILLE, IA 50138
  50138 WEATHER RADAR LOOP
NEXRAD Weather Radar
KNOXVILLE, IA 50138
 MOS COMPUTER WEATHER FORECAST

KNOXVILLE, IA 3 hourly weather forecast
weather forecast created  5:00 AM PDT  8/12/2026
Wednesday
12 AUG 2026		 KNOXVILLE, IA 50138 weather forecast Day 1, 12 hours 1 PM 86° 93° Mostly Cloudy 5%

 0% Thunder
( 6% severe)		 SSW   8 65% 73°
High 89° KNOXVILLE, IA 50138 weather forecast Day 1, 15 hours 4 PM 88° 97° Partly Cloudy N   8 63% 74°
Partly Cloudy



 KNOXVILLE, IA 50138 weather forecast Day 1, 18 hours 7 PM 85° 93° Clear 16%
RAIN
.5–1 in		 0% Thunder
( 30% severe)		 NE   9 72% 75°
KNOXVILLE, IA 50138 weather forecast Day 1, 21 hours 10 PM 77° 78° Partly Cloudy ENE   8 94% 75°
Thursday
13 AUG 2026		 KNOXVILLE, IA 50138 weather forecast Day 2, 0 hours 1 AM 74° 74° Partly Cloudy 64%
RAIN
***		 0% Thunder
( 46% severe)		 E   8 100% 74°
Low 71° KNOXVILLE, IA 50138 weather forecast Day 2, 3 hours 4 AM 73° 73° Mostly Cloudy E   8 100% 73°
High 83° KNOXVILLE, IA 50138 weather forecast Day 2, 6 hours 7 AM 72° 72° Mostly Cloudy 75%
RAIN
***		 0% Thunder
( 28% severe)		 ENE   8 100% 72°

Mostly Cloudy

Rain Likely

 KNOXVILLE, IA 50138 weather forecast Day 2, 9 hours 10 AM 75° 75° Mostly Cloudy NE   9 94% 73°
KNOXVILLE, IA 50138 weather forecast Day 2, 12 hours 1 PM 80° 85° Mostly Cloudy 46%
RAIN
***		 0% Thunder
( 25% severe)		 ESE   8 82% 74°
KNOXVILLE, IA 50138 weather forecast Day 2, 15 hours 4 PM 82° 88° Mostly Cloudy E   10 77% 74°
KNOXVILLE, IA 50138 weather forecast Day 2, 18 hours 7 PM 79° 82° Mostly Cloudy 59%
RAIN
***		 0% Thunder
( 48% severe)		 E   13 82% 73°
KNOXVILLE, IA 50138 weather forecast Day 2, 21 hours 10 PM 73° 73° Mostly Cloudy E   13 100% 73°
Friday
14 AUG 2026		 KNOXVILLE, IA 50138 weather forecast Day 3, 0 hours 1 AM 72° 72° Mostly Cloudy 59%
RAIN
***		 0% Thunder
( 44% severe)		 E   10 100% 72°
Low 70° KNOXVILLE, IA 50138 weather forecast Day 3, 3 hours 4 AM 71° 71° Mostly Cloudy ENE   12 100% 71°
High 84° KNOXVILLE, IA 50138 weather forecast Day 3, 6 hours 7 AM 71° 71° Mostly Cloudy 30%
RAIN
.01–.1 in		 0% Thunder
( 23% severe)		 E   12 100% 71°

Mostly Cloudy

Chance of Rain

 KNOXVILLE, IA 50138 weather forecast Day 3, 9 hours 10 AM 75° 75° Mostly Cloudy E   13 90% 72°
KNOXVILLE, IA 50138 weather forecast Day 3, 15 hours 1 PM 81° 86° Mostly Cloudy 8%

 0% Thunder
( 16% severe)		 ESE   13 79% 74°
KNOXVILLE, IA 50138 weather forecast Day 3, 18 hours 4 PM 84° 92° Mostly Cloudy ESE   13 74% 75°
KNOXVILLE, IA 50138 weather forecast Day 3, 21 hours 7 PM 81° 87° Partly Cloudy     E   13 82% 75°

KNOXVILLE, IA extended weather forecast
Saturday
15 AUG 2026		 Sunday
16 AUG 2026		 Monday
17 AUG 2026		 Tuesday
18 AUG 2026		 Wednesday
19 AUG 2026
Low 74° Low 69° Low 64° Low 66° Low 66°
High 92° High 79° High 83° High 86° High 87°
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
Mostly Cloudy
36% Rain		 Overcast
62% Rain		 Partly Cloudy
28% Rain		 Partly Cloudy
22% Rain		 Partly Cloudy
27% Rain
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