SIOUX CITY, IA 51111 Weather Forecast & Current Conditions

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51111 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
SIOUX CITY, IA Current Weather
12:52 PM CDT AUG 20, 2025
Scattered Clouds 86°F
Feels Like:	93°F
Dewpoint:	73°F
Rel. Hum.:	65%
Visibility:	10 miles
Wind:	Variable at 5 mph
Pressure:	30.12 inches
Last 72 hours
Local Area Snow Depth
Iowa Current Weather
Iowa MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

51111 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	SIOUX CITY, IA 51111 Weather Forecast	Snowfall Forecast pages Snow Depth pages

THIS AFTERNOON
Sunny. Highs in the mid 80s. North winds around 5 mph.

TONIGHT
Mostly clear. Humid with lows in the mid 60s. East winds around 5 mph.

THURSDAY
Patchy fog in the morning. Sunny with highs in the mid 80s. Southeast winds 5 to 10 mph.

THURSDAY NIGHT
Mostly clear in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Humid with lows in the mid 60s. Southeast winds around 5 mph. Chance of rain 20 percent.

FRIDAY
Partly sunny with a chance of showers and thunderstorms. Humid with highs in the lower 80s. Southeast winds around 5 mph, becoming north in the afternoon. Chance of rain 40 percent.

FRIDAY NIGHT
Partly cloudy in the evening, then clearing. A slight chance of showers and thunderstorms. Lows in the upper 50s. Chance of rain 20 percent.

SATURDAY
Sunny. Highs in the mid 70s.

SATURDAY NIGHT
Mostly clear. Lows in the lower 50s.

SUNDAY
Sunny. Highs in the lower 70s.

SUNDAY NIGHT
Mostly clear. Lows in the mid 40s.

MONDAY
Sunny. Highs around 70.

MONDAY NIGHT
Partly cloudy. Lows in the upper 40s.

TUESDAY
Mostly sunny. Highs in the lower 70s.

51111 WEATHER SATELLITE LOOPS

Visible Weather Satellite
SIOUX CITY, IA 51111

Infrared Weather Satellite
SIOUX CITY, IA 51111

51111 WEATHER RADAR LOOP

NEXRAD Weather Radar
SIOUX CITY, IA 51111

MOS COMPUTER WEATHER FORECAST

SIOUX CITY, IA 3 hourly weather forecast

weather forecast created 7:00 AM CDT 8/20/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
20 AUG 2025

1 PM

84°

90°

Partly Cloudy

1%

0% Thunder
( 9% severe)

NNE 5

67%

72°

High 86°

4 PM

85°

90°

Partly Cloudy

NE 5

61%

70°

Partly Cloudy

7 PM

83°

87°

Clear

0%

0% Thunder
( 6% severe)

ENE 7

63%

69°

10 PM

71°

71°

Clear

E 6

87%

67°

Thursday
21 AUG 2025

1 AM

67°

67°

Partly Cloudy

0%

0% Thunder
( 4% severe)

E 5

97%

66°

Low 63°

4 AM

64°

65°

Partly Cloudy

ESE 5

100%

64°

High 87°

7 AM

64°

65°

Partly Cloudy

0%

0% Thunder
( 3% severe)

ESE 5

100%

64°

Partly Cloudy

10 AM

73°

73°

Partly Cloudy

SSE 7

84%

68°

1 PM

82°

86°

Clear

0%

0% Thunder
( 6% severe)

SSE 8

67%

70°

4 PM

85°

90°

Clear

SSE 8

61%

70°

7 PM

83°

87°

Clear

0%

0% Thunder
( 9% severe)

SE 8

65%

70°

10 PM

73°

73°

Clear

SE 8

84%

68°

Friday
22 AUG 2025

1 AM

69°

69°

Partly Cloudy

15%
RAIN
<.01 in

0% Thunder
( 13% severe)

SSE 7

93%

67°

Low 65°

4 AM

66°

66°

Partly Cloudy

SSE 6

97%

65°

High 84°

7 AM

66°

66°

Mostly Cloudy

14%
RAIN
<.01 in

0% Thunder
( 19% severe)

SSE 6

97%

65°

Mostly Cloudy

Chance of Rain

10 AM

74°

74°

Partly Cloudy

S 7

82%

68°

1 PM

81°

84°

Mostly Cloudy

23%
RAIN
.1–.25 in

0% Thunder
( 31% severe)

SW 8

69%

70°

4 PM

80°

83°

Mostly Cloudy

N 9

72%

70°

7 PM

77°

79°

Partly Cloudy

N 9

79%

70°


SIOUX CITY, IA extended weather forecast
Saturday 23 AUG 2025	Sunday 24 AUG 2025	Monday 25 AUG 2025	Tuesday 26 AUG 2025	Wednesday 27 AUG 2025
Low 60°	Low 48°	Low 46°	Low 47°	Low 52°
High 80°	High 77°	High 72°	High 74°	High 77°

Partly Cloudy 44% Rain	Partly Cloudy 4% Rain	Clear 4% Rain	Clear 10% Rain	Partly Cloudy 20% Rain

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