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Sumner Weather Warning NWS WEATHER ALERT FOR THE SUMNER, IA AREA - Issued: 252 AM CDT Sun Sep 27 2026 Sumner Weather Warning

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Sumner, IA Weather - Hour by Hour Forecast

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Sumner, IA Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 59°F15°C, dew point 59°F15°C, humidity 100%. Wind direction is S at 7 mph11 km/h with visibility of 9 mi14 km. Barometric pressure is 30.14 in1020 mb.
Today - Cloudy. Drizzle likely, mainly this morning. Highs in the mid 60s. Southeast winds around 5 mph... Full Forecast
Tonight - Mostly cloudy. Patchy fog after midnight. Lows in the mid 50s. Northeast winds around 5 mph in the evening, becoming light and var.. Full Forecast

Sumner Hourly Weather

24 Hour Forecast Scroll
Sun, Sep 27
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Sumner, IA Hourly Weather - Cloudy - 10:00 AM Sumner, IA Hourly Weather - Cloudy - 11:00 AM Sumner, IA Hourly Weather - Cloudy - 12:00 PM Sumner, IA Hourly Weather - Cloudy - 1:00 PM Sumner, IA Hourly Weather - Cloudy - 2:00 PM Sumner, IA Hourly Weather - Cloudy - 3:00 PM Sumner, IA Hourly Weather - Cloudy - 4:00 PM Sumner, IA Hourly Weather - Cloudy - 5:00 PM Sumner, IA Hourly Weather - Cloudy - 6:00 PM Sumner, IA Hourly Weather - Cloudy - 7:00 PM Sumner, IA Hourly Weather - Cloudy - 8:00 PM Sumner, IA Hourly Weather - Cloudy - 9:00 PM Sumner, IA Hourly Weather - Cloudy - 10:00 PM Sumner, IA Hourly Weather - Cloudy - 11:00 PM Sumner, IA Hourly Weather - Cloudy - 12:00 AM Sumner, IA Hourly Weather - Cloudy - 1:00 AM Sumner, IA Hourly Weather - Cloudy - 2:00 AM Sumner, IA Hourly Weather - Cloudy - 3:00 AM Sumner, IA Hourly Weather - Cloudy - 4:00 AM Sumner, IA Hourly Weather - Cloudy - 5:00 AM Sumner, IA Hourly Weather - Cloudy - 6:00 AM Sumner, IA Hourly Weather - Cloudy - 7:00 AM Sumner, IA Hourly Weather - Cloudy - 8:00 AM Sumner, IA Hourly Weather - Mostly Cloudy - 9:00 AM
Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Mostly Cloudy
59°F15°C 60°F16°C 62°F17°C 63°F17°C 64°F18°C 64°F18°C 65°F18°C 64°F18°C 63°F17°C 62°F17°C 61°F16°C 61°F16°C 60°F16°C 59°F15°C 59°F15°C 58°F14°C 58°F14°C 57°F14°C 57°F14°C 56°F13°C 56°F13°C 55°F13°C 57°F14°C 60°F16°C
Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain - - - - - - - - - - - - - -
44% 44% 44% 44% 31% 31% 31% 31% 31% 31% 12% 12% 12% 12% 12% 12% 9% 9% 9% 9% 9% 9% 5% 5%
57°F14°C 57°F14°C 58°F14°C 58°F14°C 58°F14°C 59°F15°C 59°F15°C 59°F15°C 60°F16°C 60°F16°C 60°F16°C 59°F15°C 59°F15°C 59°F15°C 58°F14°C 58°F14°C 58°F14°C 57°F14°C 57°F14°C 56°F13°C 56°F13°C 55°F13°C 56°F13°C 58°F14°C
93% 90% 87% 84% 81% 84% 81% 84% 90% 93% 97% 93% 96% 100% 96% 100% 100% 100% 100% 100% 100% 100% 96% 93%
SSE SSE SE SE SE SE SE ESE E E E ENE ENE E E E E E E E E E ESE SE
4 mph 4 mph 3 mph 3 mph 3 mph 2 mph 2 mph 2 mph 3 mph 3 mph 3 mph 2 mph 2 mph 2 mph 3 mph 3 mph 3 mph 2 mph 2 mph 2 mph 2 mph 2 mph 2 mph 4 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 6 mi10 km 6 mi10 km 5 mi8 km 3 mi5 km .5 mi1 km .25 mi0 km .5 mi1 km 3 mi5 km 5 mi8 km 6 mi10 km 6 mi10 km
Hour (CDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
Humidity
Wind Direction
Wind Speed
Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KOLZ model statistics.

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Prob Precip % = Probability of Precipitation.

Sumner 36 Hour Forecast

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

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