Plan! needs attention 5 days Air + smoke Radar! needs attention Outdoor planning 1 2
Now
Temperature Rain Humidity Gusts 54° 12 PM 55° 3 PM 53° 7 PM 50° 8 PM 49° 10 PM 46° 1 AM 44° 3 AM 44° 4 AM 43° 8 AM 48° 11 AM
100% 100% 96% 100% 100% 93% 93% 93% 100% 83%
9 mph 8 mph 9 mph 9 mph 10 mph 14 mph 18 mph 22 mph 23 mph 23 mph 21 mph 22 mph 22 mph 23 mph 24 mph 24 mph 24 mph 25 mph 26 mph 28 mph 28 mph 29 mph 29 mph 30 mph
Thu 12:00 PM 54° Rain Showers 100% rain 100% humidity Gusts 9 mph Thu 1:00 PM 54° Rain Showers 97% rain 100% humidity Gusts 8 mph Thu 2:00 PM 55° Rain Showers 95% rain 100% humidity Gusts 9 mph Thu 3:00 PM 55° Rain Showers 92% rain 100% humidity Gusts 9 mph Thu 4:00 PM 55° Rain Showers 87% rain 100% humidity Gusts 10 mph Thu 5:00 PM 54° Rain Showers 80% rain 100% humidity Gusts 14 mph Thu 6:00 PM 54° Rain Showers 76% rain 96% humidity Gusts 18 mph Thu 7:00 PM 53° Rain Showers Likely 66% rain 96% humidity Gusts 22 mph Thu 8:00 PM 50° Chance Rain Showers 47% rain 100% humidity Gusts 23 mph Thu 9:00 PM 49° Chance Rain Showers 46% rain 100% humidity Gusts 23 mph Thu 10:00 PM 49° Slight Chance Rain Showers 24% rain 100% humidity Gusts 21 mph Thu 11:00 PM 47° Mostly Cloudy 11% rain 100% humidity Gusts 22 mph Fri 12:00 AM 47° Mostly Cloudy 6% rain 96% humidity Gusts 22 mph Fri 1:00 AM 46° Mostly Cloudy 2% rain 93% humidity Gusts 23 mph Fri 2:00 AM 45° Mostly Cloudy 1% rain 93% humidity Gusts 24 mph Fri 3:00 AM 44° Mostly Cloudy 1% rain 93% humidity Gusts 24 mph Fri 4:00 AM 44° Mostly Cloudy 5% rain 93% humidity Gusts 24 mph Fri 5:00 AM 43° Mostly Cloudy 9% rain 96% humidity Gusts 25 mph Fri 6:00 AM 44° Mostly Cloudy 12% rain 96% humidity Gusts 26 mph Fri 7:00 AM 44° Chance Rain Showers 25% rain 96% humidity Gusts 28 mph Fri 8:00 AM 43° Chance Rain Showers 35% rain 100% humidity Gusts 28 mph Fri 9:00 AM 44° Chance Rain Showers 30% rain 100% humidity Gusts 29 mph Fri 10:00 AM 47° Chance Rain Showers 29% rain 93% humidity Gusts 29 mph Fri 11:00 AM 48° Chance Rain Showers 26% rain 83% humidity Gusts 30 mph 1 Next best time outsideThu 4:00 PM–9:00 PM 2 hours outside within this window Temperatures outside your comfort range, some wind, a chance of rain. Watch for: thunder and lightning, limited daylight. Not checked: UV. 2 Another good timeFri 6:00 AM–12:15 PM 2 hours outside within this window Temperatures outside your comfort range, some wind, a chance of rain. Watch for: thunder and lightning, limited daylight. Not checked: UV and air quality.
A little farther out
The next five days
Today 55° 47°
Fri 50° 37°
Sat 55° 30°
Sun 62° 41°
Mon 65° 44°
Today Today looks wet for a meaningful stretch.
Rain 100%
Humidity 96–100%
Wind 23 mph Fri Friday looks breezy.
Rain 35%
Humidity 61–100%
Wind 31 mph Sat Saturday looks fairly quiet.
Rain 0%
Humidity 47–100%
Wind 20 mph Sun Sunday looks fairly quiet.
Rain 0%
Humidity 48–86%
Wind 24 mph Mon Monday looks fairly quiet.
Rain 1%
Humidity 52–96%
Wind 13 mph Today 55° / 47° Today looks wet for a meaningful stretch. 100% rain · Humidity 96–100% · Wind 23 mph Fri 50° / 37° Friday looks breezy. 35% rain · Humidity 61–100% · Wind 31 mph Sat 55° / 30° Saturday looks fairly quiet. 0% rain · Humidity 47–100% · Wind 20 mph Sun 62° / 41° Sunday looks fairly quiet. 0% rain · Humidity 48–86% · Wind 24 mph Mon 65° / 44° Monday looks fairly quiet. 1% rain · Humidity 52–96% · Wind 13 mph Environmental watch
Air quality + smoke 8 Good US AQI Good through Today.
Now 8 Good fine particles Today 35 Good fine particles Sky check
No plume detected overhead Satellite view · Updated Thu 7:45 AM Air near ground 8 · Good US AQI
Rain, in motion · Past four hours
Postville radar
Ready when you are See what is moving toward Postville. Watch the last four hours of rain, then search any nearby trail, lake, or address.
Radar animation for Postville, covering the past four hours. A marked spot changes the map view, not the forecast on this page.
Outdoor fire check
Thinking about a backyard fire? Use extra caution. There is no lower-concern three-hour stretch in the next 12 hours.
Next 12 hours Choose a time to see what is driving the concern.
Now Use caution 1 PM Use caution 2 PM Use caution 3 PM Use caution 4 PM Use caution 5 PM Use caution 6 PM Use caution 7 PM Use caution 8 PM Use caution 9 PM Use caution 10 PM Use caution 11 PM Use caution Selected time Now Use caution Thunder is possible.
Humidity 100%
Wind 3 mph
Gusts 9 mph Check local rules. Weather is only part of the decision. Check city, county, and land-manager fire restrictions before lighting any outdoor fire.
About these readings Sources and local limits Weather Forecasts, alerts, and radar come from NOAA and the National Weather Service.
Air quality This reading describes Waterloo area, about 59 miles away. Conditions can differ at this exact spot.
Smoke Satellite imagery shows smoke overhead. It cannot tell us how much smoke has reached breathing level.