KNOXVILLE, IA 50138 Weather Forecast & Current Conditions
Enter ZIP code or City, State   
    


  50138 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

KNOXVILLE, IA
Current Weather
6:35 PM CDT AUG 8, 2026
Clear
79°F
Feels Like: 81°F
Dewpoint: 66°F
Rel. Hum.: 64%
Visibility: 10 miles
Wind: SE at 6 mph
Pressure: 29.98 inches
Last 72 hours

Local Area Snow Depth

Iowa Current Weather

Iowa MOS Forecast Weather


Regional Weather Maps

(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
TONIGHT
Partly cloudy. A chance of showers and thunderstorms after midnight. Lows around 70. Southeast winds 5 to 10 mph. Chance of rain 50 percent.
SUNDAY
Mostly sunny. A chance of showers and thunderstorms in the morning. Humid with highs around 90. South winds around 10 mph with gusts up to 20 mph. Chance of rain 40 percent. Heat index values up to 104 in the afternoon.
SUNDAY NIGHT
Partly cloudy with a chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. Humid with lows in the lower 70s. Southeast winds 5 to 10 mph. Chance of rain 40 percent. Heat index values up to 104 early in the evening.
MONDAY
Mostly sunny. A slight chance of showers and thunderstorms in the morning. Humid with highs in the upper 80s. South winds 5 to 10 mph, becoming southwest in the afternoon. Chance of rain 20 percent. Heat index values up to 101 in the afternoon.
MONDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. South winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 100 early in the evening.
TUESDAY
Partly sunny. A chance of showers and thunderstorms in the morning. Highs in the upper 80s. Chance of rain 30 percent. Heat index values up to 100 in the afternoon.
TUESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows around 70. Chance of rain 50 percent. Heat index values up to 100 early in the evening.
WEDNESDAY
Partly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the mid 80s. Chance of rain 20 percent.
WEDNESDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 50 percent.
THURSDAY
Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent.
THURSDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 60s. Chance of rain 50 percent.
FRIDAY
Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 50 percent.
FRIDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 60s. Chance of rain 50 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/ 8/2026
Saturday
8 AUG 2026		 KNOXVILLE, IA 50138 weather forecast Day 1, 12 hours 1 PM 79° 80° Clear 0%

 0% Thunder
( 4% severe)		 ENE   5 54% 61°
High 83° KNOXVILLE, IA 50138 weather forecast Day 1, 15 hours 4 PM 82° 83° Partly Cloudy ESE   7 51% 62°
Partly Cloudy



 KNOXVILLE, IA 50138 weather forecast Day 1, 18 hours 7 PM 80° 82° Clear 12%
RAIN
.01–.1 in		 0% Thunder
( 17% severe)		 ESE   7 62% 66°
KNOXVILLE, IA 50138 weather forecast Day 1, 21 hours 10 PM 73° 73° Partly Cloudy SE   8 79% 66°
Sunday
9 AUG 2026		 KNOXVILLE, IA 50138 weather forecast Day 2, 0 hours 1 AM 71° 71° Partly Cloudy 39%
RAIN
***		 0% Thunder
( 35% severe)		 SE   8 90% 68°
Low 70° KNOXVILLE, IA 50138 weather forecast Day 2, 3 hours 4 AM 71° 71° Mostly Cloudy SSE   9 97% 70°
High 90° KNOXVILLE, IA 50138 weather forecast Day 2, 6 hours 7 AM 72° 72° Mostly Cloudy 22%
RAIN
<.01 in		 0% Thunder
( 18% severe)		 S   12 93% 70°

Partly Cloudy

Chance of Rain

 KNOXVILLE, IA 50138 weather forecast Day 2, 9 hours 10 AM 80° 84° Partly Cloudy S   12 79% 73°
KNOXVILLE, IA 50138 weather forecast Day 2, 12 hours 1 PM 86° 95° Clear 1%

 0% Thunder
( 9% severe)		 S   12 70% 75°
KNOXVILLE, IA 50138 weather forecast Day 2, 15 hours 4 PM 90° 101° Partly Cloudy SSW   12 62% 75°
KNOXVILLE, IA 50138 weather forecast Day 2, 18 hours 7 PM 88° 99° Partly Cloudy 7%

 0% Thunder
( 20% severe)		 SSW   7 68% 76°
KNOXVILLE, IA 50138 weather forecast Day 2, 21 hours 10 PM 80° 85° Partly Cloudy SE   8 82% 74°
Monday
10 AUG 2026		 KNOXVILLE, IA 50138 weather forecast Day 3, 0 hours 1 AM 77° 78° Partly Cloudy 31%
RAIN
>2 in		 0% Thunder
( 25% severe)		 SSE   9 85% 72°
Low 74° KNOXVILLE, IA 50138 weather forecast Day 3, 3 hours 4 AM 75° 75° Partly Cloudy SSE   10 87% 71°
High 90° KNOXVILLE, IA 50138 weather forecast Day 3, 6 hours 7 AM 74° 74° Mostly Cloudy 22%
RAIN
<.01 in		 0% Thunder
( 15% severe)		 SSE   9 87% 70°

Mostly Cloudy

Chance of Rain

 KNOXVILLE, IA 50138 weather forecast Day 3, 9 hours 10 AM 80° 84° Mostly Cloudy S   10 79% 73°
KNOXVILLE, IA 50138 weather forecast Day 3, 15 hours 1 PM 86° 94° Partly Cloudy 2%

 0% Thunder
( 10% severe)		 SSW   12 68% 74°
KNOXVILLE, IA 50138 weather forecast Day 3, 18 hours 4 PM 89° 99° Partly Cloudy SW   10 64% 75°
KNOXVILLE, IA 50138 weather forecast Day 3, 21 hours 7 PM 87° 98° Partly Cloudy     SSW   7 70% 76°

KNOXVILLE, IA extended weather forecast
Tuesday
11 AUG 2026		 Wednesday
12 AUG 2026		 Thursday
13 AUG 2026		 Friday
14 AUG 2026		 Saturday
15 AUG 2026
Low 71° Low 69° Low 69° Low 61° Low 60°
High 88° High 89° High 79° High 77° High 79°
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
27% Rain		 Partly Cloudy
15% Rain		 Mostly Cloudy
53% Rain		 Partly Cloudy
22% Rain		 Partly Cloudy
27% Rain
WEATHER SELECT BOX EXAMPLES:
for LOCAL WEATHER:
SNOW DEPTH:
LOCAL WEATHER RADAR:
STATE WEATHER MAP: 		Knoxville, IA
Knoxville, IA snow
Knoxville, IA radar
IA map 		-or-
-or-
-or-
  		50138
50138 snow
50138 radar
  		-or-
-or-
 
  		IA
IA snow
 
 
Copyright © 2026 WeatherStreet.com
Put our free WeatherStreet weather lookup on your web page.
Terms & Conditions