Weather Alert
Sumner Junior High School Weather Warning NWS WEATHER ALERT FOR THE SUMNER JUNIOR HIGH SCHOOL, IA AREA - Issued: 640 AM CDT Mon Aug 17 2026 Sumner Junior High School Weather Warning

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Sumner Junior High School, IA Weather - Hour by Hour Forecast

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Sumner Junior High School, IA Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 73°F23°C, dew point 64°F18°C, humidity 73%. Wind direction is WNW at 9 mph14 km/h with visibility of 10 mi16 km. Barometric pressure is 30.13 in1020 mb.
Today - Sunny. Highs in the upper 70s. Northwest winds 5 to 10 mph... Full Forecast
Tonight - Mostly clear in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the lowe.. Full Forecast

Sumner Junior High School Hourly Weather

24 Hour Forecast Scroll
Mon, Aug 17
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Sumner Junior High School, IA Hourly Weather - Clear - 10:00 AM Sumner Junior High School, IA Hourly Weather - Clear - 11:00 AM Sumner Junior High School, IA Hourly Weather - Mostly Clear - 12:00 PM Sumner Junior High School, IA Hourly Weather - Mostly Clear - 1:00 PM Sumner Junior High School, IA Hourly Weather - Mostly Clear - 2:00 PM Sumner Junior High School, IA Hourly Weather - Mostly Clear - 3:00 PM Sumner Junior High School, IA Hourly Weather - Mostly Clear - 4:00 PM Sumner Junior High School, IA Hourly Weather - Mostly Clear - 5:00 PM Sumner Junior High School, IA Hourly Weather - Clear - 6:00 PM Sumner Junior High School, IA Hourly Weather - Clear - 7:00 PM Sumner Junior High School, IA Hourly Weather - Clear - 8:00 PM Sumner Junior High School, IA Hourly Weather - Clear - 9:00 PM Sumner Junior High School, IA Hourly Weather - Clear - 10:00 PM Sumner Junior High School, IA Hourly Weather - Clear - 11:00 PM Sumner Junior High School, IA Hourly Weather - Mostly Cloudy - 12:00 AM Sumner Junior High School, IA Hourly Weather - Mostly Cloudy - 1:00 AM Sumner Junior High School, IA Hourly Weather - Mostly Cloudy - 2:00 AM Sumner Junior High School, IA Hourly Weather - Cloudy - 3:00 AM Sumner Junior High School, IA Hourly Weather - Cloudy - 4:00 AM Sumner Junior High School, IA Hourly Weather - Cloudy - 5:00 AM Sumner Junior High School, IA Hourly Weather - Cloudy - 6:00 AM Sumner Junior High School, IA Hourly Weather - Cloudy - 7:00 AM Sumner Junior High School, IA Hourly Weather - Cloudy - 8:00 AM Sumner Junior High School, IA Hourly Weather - Cloudy - 9:00 AM
Clear Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Clear Clear Clear Clear Clear Clear Mostly Cloudy Mostly Cloudy Mostly Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
71°F22°C 73°F23°C 75°F24°C 77°F25°C 78°F26°C 78°F26°C 79°F26°C 78°F26°C 77°F25°C 76°F24°C 73°F23°C 70°F21°C 67°F19°C 67°F19°C 66°F19°C 66°F19°C 65°F18°C 65°F18°C 64°F18°C 64°F18°C 64°F18°C 64°F18°C 66°F19°C 67°F19°C
- - - - - - - - - - - - - - - - Rain Rain Rain Rain Rain Rain Rain Rain
2% 2% 2% 2% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 22% 22% 22% 22% 22% 22% 36% 36%
62°F17°C 62°F17°C 61°F16°C 61°F16°C 61°F16°C 61°F16°C 61°F16°C 61°F16°C 62°F17°C 62°F17°C 62°F17°C 62°F17°C 62°F17°C 62°F17°C 62°F17°C 62°F17°C 62°F17°C 62°F17°C 62°F17°C 62°F17°C 62°F17°C 62°F17°C 63°F17°C 65°F18°C
73% 68% 62% 58% 56% 56% 54% 56% 60% 62% 68% 76% 84% 84% 87% 87% 90% 90% 93% 93% 93% 93% 90% 93%
NW NW NW NW NW WNW WNW W SSW SSW SW SW S S S S S SSE SSE SSE SSE SSE SW SW
5 mph 5 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 4 mph 4 mph 4 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 6 mph 6 mph 6 mph 8 mph
10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km
Hour (CDT)
Weather
Clouds
Temperature
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POP
Dewpoint
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POP = Probability of Precipitation. ** Indicates missing data/values from KOLZ model statistics.

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Prob Precip % = Probability of Precipitation.

Sumner Junior High School 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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