KNOXVILLE, IA 50138 Weather Forecast & Current Conditions

Enter ZIP code or City, State   
    


KNOXVILLE, IA
Current Weather

8:35 PM CDT AUG 29, 2026
Broken Clouds
79°F
Feels Like: 81°F
Dewpoint: 68°F
Rel. Hum.: 69%
Visibility: 10 miles
Wind: S at 15 mph
Pressure: 29.84 inches
Last 72 hours

Local Area Snow Depth

Iowa Current Weather

Iowa MOS Forecast Weather


Regional Weather Maps


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

KNOXVILLE, IA 50138
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Partly cloudy. Lows in the mid 70s. South winds 10 to 15 mph with gusts up to 25 mph.
SUNDAY
Partly sunny with a slight chance of showers and thunderstorms. Humid with highs in the lower 90s. South winds around 15 mph with gusts up to 30 mph. Chance of rain 20 percent.
SUNDAY NIGHT
Partly cloudy. Humid with lows in the upper 70s. South winds 10 to 15 mph with gusts up to 25 mph.
MONDAY
Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent. Heat index values up to 101.
MONDAY NIGHT
Partly cloudy. Humid with lows in the upper 70s. Southwest winds 5 to 10 mph.
TUESDAY
Mostly sunny. Hot with highs in the mid 90s. Heat index values up to 100.
TUESDAY NIGHT
Mostly clear. Lows in the upper 70s.
WEDNESDAY
Mostly sunny. Hot with highs in the upper 90s. Heat index values up to 105.
WEDNESDAY NIGHT
Mostly clear. A slight chance of showers and thunderstorms after midnight. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 100 early in the evening.
THURSDAY
Mostly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the mid 90s. Chance of rain 20 percent.
THURSDAY NIGHT
Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent.
FRIDAY
Mostly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the lower 90s. Chance of rain 20 percent.
FRIDAY NIGHT
Partly cloudy. Lows in the lower 70s.

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  8/29/2026
Saturday
29 AUG 2026
KNOXVILLE, IA 50138 weather forecast Day 1, 12 hours 1 PM 81° 83° Mostly Cloudy 4%

0% Thunder
( 14% severe)
S   16 58% 65°
High 89° KNOXVILLE, IA 50138 weather forecast Day 1, 15 hours 4 PM 88° 91° Partly Cloudy S   16 50% 67°
Partly Cloudy



KNOXVILLE, IA 50138 weather forecast Day 1, 18 hours 7 PM 85° 87° Partly Cloudy 4%

0% Thunder
( 19% severe)
S   15 51% 65°
KNOXVILLE, IA 50138 weather forecast Day 1, 21 hours 10 PM 81° 83° Partly Cloudy S   14 56% 64°
Sunday
30 AUG 2026
KNOXVILLE, IA 50138 weather forecast Day 2, 0 hours 1 AM 80° 81° Partly Cloudy 16%
RAIN
<.01 in
0% Thunder
( 25% severe)
S   14 56% 63°
Low 77° KNOXVILLE, IA 50138 weather forecast Day 2, 3 hours 4 AM 78° 80° Partly Cloudy SSW   14 60% 63°
High 93° KNOXVILLE, IA 50138 weather forecast Day 2, 6 hours 7 AM 77° 79° Partly Cloudy 18%
RAIN
<.01 in
0% Thunder
( 22% severe)
SSW   14 62% 63°

Mostly Cloudy



KNOXVILLE, IA 50138 weather forecast Day 2, 9 hours 10 AM 82° 84° Mostly Cloudy SSW   15 58% 66°
KNOXVILLE, IA 50138 weather forecast Day 2, 12 hours 1 PM 89° 93° Mostly Cloudy 8%

0% Thunder
( 21% severe)
SSW   15 50% 68°
KNOXVILLE, IA 50138 weather forecast Day 2, 15 hours 4 PM 93° 98° Partly Cloudy S   14 46% 69°
KNOXVILLE, IA 50138 weather forecast Day 2, 18 hours 7 PM 89° 93° Partly Cloudy 2%

0% Thunder
( 21% severe)
S   13 50% 68°
KNOXVILLE, IA 50138 weather forecast Day 2, 21 hours 10 PM 84° 86° Partly Cloudy S   13 53% 65°
Monday
31 AUG 2026
KNOXVILLE, IA 50138 weather forecast Day 3, 0 hours 1 AM 82° 84° Partly Cloudy 9%

0% Thunder
( 26% severe)
S   13 55% 64°
Low 79° KNOXVILLE, IA 50138 weather forecast Day 3, 3 hours 4 AM 81° 83° Partly Cloudy SSW   13 56% 64°
High 95° KNOXVILLE, IA 50138 weather forecast Day 3, 6 hours 7 AM 79° 81° Partly Cloudy 7%

0% Thunder
( 16% severe)
SSW   13 60% 64°

Partly Cloudy



KNOXVILLE, IA 50138 weather forecast Day 3, 9 hours 10 AM 85° 88° Partly Cloudy SW   13 55% 67°
KNOXVILLE, IA 50138 weather forecast Day 3, 15 hours 1 PM 92° 96° Partly Cloudy 10%
RAIN
<.01 in
0% Thunder
( 15% severe)
SW   13 46% 68°
KNOXVILLE, IA 50138 weather forecast Day 3, 18 hours 4 PM 95° 102° Partly Cloudy WSW   10 45% 70°
KNOXVILLE, IA 50138 weather forecast Day 3, 21 hours 7 PM 89° 94° Partly Cloudy     NNW   7 54% 70°

KNOXVILLE, IA extended weather forecast

Tuesday
1 SEP 2026
Wednesday
2 SEP 2026
Thursday
3 SEP 2026
Friday
4 SEP 2026
Saturday
5 SEP 2026
Low 73° Low 73° Low 69° Low 68° Low 65°
High 97° High 92° High 88° High 85° High 82°
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
Clear
16% Rain
Clear
16% Rain
Partly Cloudy
19% Rain
Partly Cloudy
28% Rain
Mostly Cloudy
30% 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