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

KNOXVILLE, IA
Current Weather
7:35 AM CDT APR 12, 2026
Scattered Clouds
64°F
Feels Like: 62°F
Dewpoint: 59°F
Rel. Hum.: 84%
Visibility: 10 miles
Wind: S at 16 mph, gusts to 24
Pressure: 29.84 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
2025 Hurricanes

KNOXVILLE, IA 50138
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly cloudy. A slight chance of showers this morning. Showers likely with a slight chance of thunderstorms this afternoon. Breezy with highs in the lower 70s. South winds 10 to 15 mph with gusts up to 25 mph, increasing to 15 to 25 mph with gusts up to 35 mph. Chance of rain 70 percent.
TONIGHT
Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 60s. Southwest winds 15 to 20 mph. Chance of rain 20 percent.
MONDAY
Partly sunny. Highs in the upper 70s. South winds 15 to 20 mph with gusts up to 30 mph.
MONDAY NIGHT
Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the mid 60s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 30 percent.
TUESDAY
Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.
TUESDAY NIGHT
Showers likely with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows around 60. Chance of rain 60 percent.
WEDNESDAY
Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly sunny with showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 60 percent.
WEDNESDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy with a slight chance of showers after midnight. Lows in the mid 50s. Chance of rain 40 percent.
THURSDAY
Sunny. Highs in the upper 70s.
THURSDAY NIGHT
Mostly clear. Lows around 60.
FRIDAY
Partly sunny. A slight chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 60 percent.
FRIDAY NIGHT
A chance of thunderstorms. Showers likely, mainly in the evening. Cooler with lows in the mid 40s. Chance of rain 60 percent.
SATURDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A slight chance of thunderstorms in the afternoon. Cooler with highs in the upper 50s. 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 PM PDT  4/11/2026
Sunday
12 APR 2026		 KNOXVILLE, IA 50138 weather forecast Day 1, 0 hours 1 AM 62° 60° Mostly Cloudy 25%
RAIN
.01–.1 in		 0% Thunder
( 20% severe)		 S   16 84% 57°
Low 61° KNOXVILLE, IA 50138 weather forecast Day 1, 3 hours 4 AM 62° 60° Mostly Cloudy S   17 87% 58°
High 72° KNOXVILLE, IA 50138 weather forecast Day 1, 6 hours 7 AM 63° 61° Mostly Cloudy 26%
RAIN
.01–.1 in		 0% Thunder
( 10% severe)		 SSW   18 87% 59°

Mostly Cloudy

Rain Likely


Windy		 KNOXVILLE, IA 50138 weather forecast Day 1, 9 hours 10 AM 66° 66° Mostly Cloudy SSW   22 81% 60°
KNOXVILLE, IA 50138 weather forecast Day 1, 12 hours 1 PM 70° 70° Mostly Cloudy 56%
RAIN
1–2 in		 0% Thunder
( 14% severe)		 SSW   23 73% 61°
KNOXVILLE, IA 50138 weather forecast Day 1, 15 hours 4 PM 69° 69° Mostly Cloudy SSW   22 73% 60°
KNOXVILLE, IA 50138 weather forecast Day 1, 18 hours 7 PM 67° 67° Mostly Cloudy 24%
RAIN
.01–.1 in		 0% Thunder
( 13% severe)		 SSW   16 75% 59°
KNOXVILLE, IA 50138 weather forecast Day 1, 21 hours 10 PM 64° 63° Mostly Cloudy SSW   14 81% 58°
Monday
13 APR 2026		 KNOXVILLE, IA 50138 weather forecast Day 2, 0 hours 1 AM 64° 63° Partly Cloudy 11%
RAIN
<.01 in		 0% Thunder
( 11% severe)		 SSW   13 84% 59°
Low 62° KNOXVILLE, IA 50138 weather forecast Day 2, 3 hours 4 AM 64° 63° Mostly Cloudy SSW   12 87% 60°
High 80° KNOXVILLE, IA 50138 weather forecast Day 2, 6 hours 7 AM 63° 62° Partly Cloudy 6%

 0% Thunder
( 14% severe)		 SSW   12 90% 60°

Mostly Cloudy



 KNOXVILLE, IA 50138 weather forecast Day 2, 9 hours 10 AM 69° 69° Mostly Cloudy S   15 81% 63°
KNOXVILLE, IA 50138 weather forecast Day 2, 12 hours 1 PM 75° 75° Mostly Cloudy 6%

 0% Thunder
( 17% severe)		 S   17 66% 63°
KNOXVILLE, IA 50138 weather forecast Day 2, 15 hours 4 PM 79° 80° Mostly Cloudy S   20 56% 62°
KNOXVILLE, IA 50138 weather forecast Day 2, 18 hours 7 PM 77° 79° Mostly Cloudy 12%
RAIN
<.01 in		 0% Thunder
( 23% severe)		 SSW   16 58% 61°
KNOXVILLE, IA 50138 weather forecast Day 2, 21 hours 10 PM 72° 72° Partly Cloudy SSW   15 68% 61°

KNOXVILLE, IA extended weather forecast
Tuesday
14 APR 2026		 Wednesday
15 APR 2026		 Thursday
16 APR 2026		 Friday
17 APR 2026		 Saturday
18 APR 2026
Low 65° Low 62° Low 52° Low 54° Low 47°
High 79° High 77° High 77° High 72° High 58°
KNOXVILLE, IA 50138 weather forecast Day 3 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
Overcast
48% Rain		 Overcast
73% Rain		 Partly Cloudy
21% Rain		 Mostly Cloudy
49% Rain		 Overcast
69% Rain
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