Weather Alert
Barnum Weather Warning NWS WEATHER ALERT FOR THE BARNUM, IA AREA - Issued: 245 PM CDT Fri Sep 18 2026 Barnum Weather Warning

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Barnum, IA Weather - Hour by Hour Forecast

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Barnum, IA Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Fog And Mist. Temperature is 70°F21°C, dew point 70°F21°C, humidity 100%. Wind direction is E at 6 mph10 km/h with visibility of 3.00 mi5 km. Barometric pressure is 29.91 in1013 mb.
Rest of Tonight - Patchy fog late this evening. Mostly cloudy with a chance of thunderstorms. A chance of showers. Near steady temperature in the up.. Full Forecast
Saturday - Patchy fog in the morning. Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the morning. Humid with hi.. Full Forecast

Barnum Hourly Weather

24 Hour Forecast Scroll
Sat, Sep 19
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Barnum, IA Hourly Weather - Cloudy - 1:00 AM Barnum, IA Hourly Weather - Cloudy - 2:00 AM Barnum, IA Hourly Weather - Cloudy - 3:00 AM Barnum, IA Hourly Weather - Cloudy - 4:00 AM Barnum, IA Hourly Weather - Cloudy - 5:00 AM Barnum, IA Hourly Weather - Cloudy - 6:00 AM Barnum, IA Hourly Weather - Cloudy - 7:00 AM Barnum, IA Hourly Weather - Cloudy - 8:00 AM Barnum, IA Hourly Weather - Cloudy - 9:00 AM Barnum, IA Hourly Weather - Cloudy - 10:00 AM Barnum, IA Hourly Weather - Cloudy - 11:00 AM Barnum, IA Hourly Weather - Cloudy - 12:00 PM Barnum, IA Hourly Weather - Cloudy - 1:00 PM Barnum, IA Hourly Weather - Cloudy - 2:00 PM Barnum, IA Hourly Weather - Cloudy - 3:00 PM Barnum, IA Hourly Weather - Cloudy - 4:00 PM Barnum, IA Hourly Weather - Cloudy - 5:00 PM Barnum, IA Hourly Weather - Cloudy - 6:00 PM Barnum, IA Hourly Weather - Cloudy - 7:00 PM Barnum, IA Hourly Weather - Cloudy - 8:00 PM Barnum, IA Hourly Weather - Cloudy - 9:00 PM Barnum, IA Hourly Weather - Cloudy - 10:00 PM Barnum, IA Hourly Weather - Cloudy - 11:00 PM Barnum, IA Hourly Weather - Cloudy - 12:00 AM
Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
70°F21°C 70°F21°C 70°F21°C 70°F21°C 69°F21°C 69°F21°C 68°F20°C 68°F20°C 68°F20°C 68°F20°C 69°F21°C 70°F21°C 71°F22°C 71°F22°C 70°F21°C 70°F21°C 69°F21°C 68°F20°C 67°F19°C 66°F19°C 64°F18°C 63°F17°C 63°F17°C 62°F17°C
Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain - - - - -
67% 67% 67% 67% 67% 67% 67% 32% 32% 32% 32% 32% 32% 23% 23% 23% 23% 23% 23% 17% 17% 17% 17% 17%
70°F21°C 70°F21°C 69°F21°C 69°F21°C 69°F21°C 68°F20°C 68°F20°C 68°F20°C 68°F20°C 68°F20°C 68°F20°C 68°F20°C 68°F20°C 68°F20°C 67°F19°C 67°F19°C 67°F19°C 66°F19°C 66°F19°C 65°F18°C 64°F18°C 63°F17°C 63°F17°C 62°F17°C
100% 100% 97% 97% 100% 97% 100% 100% 100% 100% 97% 93% 90% 90% 90% 90% 93% 93% 97% 97% 100% 100% 100% 100%
SE SE SE SE S S SW SSW W NW NW NW NNW NNW NNW N SSW SE N N N N N NNE
7 mph 7 mph 6 mph 6 mph 6 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 6 mph 6 mph 6 mph 8 mph 8 mph 8 mph 7 mph 7 mph 7 mph 7 mph 7 mph 7 mph 6 mph
10 mi16 km 6 mi10 km 6 mi10 km 5 mi8 km 5 mi8 km 5 mi8 km 5 mi8 km 5 mi8 km 5 mi8 km 5 mi8 km 6 mi10 km 6 mi10 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 6 mi10 km 6 mi10 km 5 mi8 km 5 mi8 km 5 mi8 km 5 mi8 km 5 mi8 km 5 mi8 km
Hour (CDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
Humidity
Wind Direction
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Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KFOD model statistics.

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Prob Precip % = Probability of Precipitation.

Barnum 36 Hour Forecast

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

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