KNOXVILLE, IA 50138 Weather Forecast & Current Conditions

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50138 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
KNOXVILLE, IA Current Weather
6:35 PM CDT AUG 15, 2026
Overcast 81°F
Feels Like:	86°F
Dewpoint:	73°F
Rel. Hum.:	77%
Visibility:	10 miles
Wind:	WSW at 3 mph, gusts to 15
Pressure:	30.01 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
Mostly cloudy with a chance of thunderstorms. Showers likely, mainly this evening. Lows around 70. Northwest winds around 5 mph. Chance of rain 70 percent.

SUNDAY
Mostly sunny with a slight chance of showers and thunderstorms. Humid with highs in the lower 80s. Northwest winds 5 to 10 mph. Chance of rain 20 percent.

SUNDAY NIGHT
Mostly clear. Humid with lows in the lower 60s. Northwest winds 5 to 10 mph.

MONDAY
Sunny with highs in the lower 80s. Northwest winds around 5 mph.

MONDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the mid 60s. South winds around 5 mph.

TUESDAY
Partly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent.

TUESDAY NIGHT
Showers with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of rain 80 percent.

WEDNESDAY
Partly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the upper 70s. Chance of rain 20 percent.

WEDNESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows around 60.

THURSDAY
Mostly sunny. Highs in the upper 70s.

THURSDAY NIGHT
Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the lower 60s. Chance of rain 20 percent.

FRIDAY
Mostly sunny with a 20 percent chance of showers. Highs around 80.

FRIDAY NIGHT
Partly cloudy. A slight chance of showers in the evening. Lows in the lower 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 8/15/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
15 AUG 2026

1 PM

83°

90°

Mostly Cloudy

15%
RAIN
<.01 in

0% Thunder
( 31% severe)

SW 5

77%

75°

High 86°

4 PM

85°

95°

Mostly Cloudy

W 6

75%

76°

Mostly Cloudy

Rain Likely

7 PM

82°

91°

Mostly Cloudy

64%
RAIN
***

0% Thunder
( 41% severe)

NNW 3

88%

78°

10 PM

76°

75°

Mostly Cloudy

N 3

100%

76°

Sunday
16 AUG 2026

1 AM

75°

75°

Mostly Cloudy

37%
RAIN
***

0% Thunder
( 33% severe)

W 5

100%

75°

Low 72°

4 AM

73°

73°

Mostly Cloudy

WNW 6

100%

73°

High 81°

7 AM

73°

73°

Partly Cloudy

13%
RAIN
.5–1 in

0% Thunder
( 17% severe)

NW 7

100%

73°

Partly Cloudy

10 AM

76°

76°

Partly Cloudy

NNW 9

90%

73°

1 PM

79°

82°

Partly Cloudy

9%

0% Thunder
( 18% severe)

NNW 12

79%

72°

4 PM

80°

83°

Partly Cloudy

NNW 13

72%

70°

7 PM

77°

79°

Partly Cloudy

1%

0% Thunder
( 5% severe)

NNW 9

74%

68°

10 PM

70°

70°

Clear

NNW 6

93%

68°

Monday
17 AUG 2026

1 AM

67°

67°

Partly Cloudy

0%

0% Thunder
( 4% severe)

NW 5

97%

66°

Low 63°

4 AM

65°

65°

Partly Cloudy

NW 5

97%

64°

High 81°

7 AM

64°

66°

Partly Cloudy

0%

0% Thunder
( 3% severe)

NW 2

97%

63°

Partly Cloudy

10 AM

73°

73°

Partly Cloudy

NW 1

73%

64°

1 PM

79°

81°

Partly Cloudy

0%

0% Thunder
( 5% severe)

W 3

58%

63°

4 PM

81°

82°

Clear

W 5

54%

63°

7 PM

78°

80°

Clear

CALM

64%

65°


KNOXVILLE, IA extended weather forecast
Tuesday 18 AUG 2026	Wednesday 19 AUG 2026	Thursday 20 AUG 2026	Friday 21 AUG 2026	Saturday 22 AUG 2026
Low 66°	Low 64°	Low 65°	Low 64°	Low 63°
High 87°	High 81°	High 82°	High 82°	High 81°

Partly Cloudy 34% Rain	Partly Cloudy 60% Rain	Overcast 31% Rain	Partly Cloudy 32% Rain	Partly Cloudy 24% Rain

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