Spot Forecast
Issued by NWS Omaha/Valley, NE
Issued by NWS Omaha/Valley, NE
Versions:
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474
FNUS73 KOAX 211222
FWSOAX
Spot Forecast for FC Rx...Pottawattamie Conservation
National Weather Service Omaha/Valley NE
722 AM CDT Tue Jul 21 2026
Forecast is based on ignition time of 0800 CDT on July 21.
If conditions become unrepresentative, contact the National Weather
Service.
.DISCUSSION...
Fire danger remains limited over the next few days, with much
cooler conditions becoming widespread thanks to a front and
That moved through the region. Winds are expected to remain out
of the north with afternoon gusts of 20-25 mph, with minimum
humidity values ranging from 40-50%. Tomorrow, cooler conditions
are forecast with weaker winds and minimum RH values closer to 50% thanks
to incoming rain.
Strongest Possible 30 ft Wind Speeds on Day of Burn: 30 mph
Lowest Possible Relative Humidity on Day of Burn: 30-35%
.REST OF TODAY...
Sky/weather.........Sunny (20-30 percent).
Temperature.........73 at ignition...Max 84.
RH..................76 percent at ignition...Min 48 percent.
Eye level winds.....North winds 7 to 11 mph.
Wind (30 ft)........North winds 11 to 18 mph.
Wind (20 ft)........Winds north at 9 mph at ignition...otherwise
North winds 10 to 15 mph.
Mixing height.......600 ft AGL at ignition...otherwise 5200 ft AGL.
Transport winds.....North 13 to 22 mph.
Smoke dispersal.....Fair /13100 knot-ft/ at ignition.
Max...excellent /93600 knot-ft/.
GFDI................0.
TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........44 34 26 29 30 23 11 9 7 1
Weather cov.....
Weather type....
Tstm cov........
Temp............73 74 77 79 80 82 82 83 83 84
RH..............76 71 64 60 58 55 53 51 49 48
20 ft wind dir..N N N N N N N N N N
20 ft wind spd..9 10 12 13 13 14 14 13 12 12
20 ft wind gust.14 14 17 18 18 19 19 18 18 17
Eye lvl wnd dir.N N N N N N N N N N
Eye lvl wnd spd.7 8 9 10 10 11 11 10 9 9
Eye lvl wnd gst.10 11 13 13 14 14 14 14 13 13
30 ft wnd dir...N N N N N N N N N N
30 ft wnd spd...11 13 15 16 16 18 18 16 15 15
30 ft wnd gst...17 18 21 22 23 24 24 23 22 21
Mix hgt (kft)...0.6 1.4 2.1 3.1 3.6 4.3 4.6 4.9 5.2 5.2
Transp wind dir.N N N N N N N N N N
Transp wind spd.13 16 18 20 21 22 21 20 20 18
GFDI............0 0 0 0 0 0 0 0 0 0
SDspl kt-ft/100013 23 34 51 69 82 91 94 88 71
.TONIGHT...
Sky/weather.........Mostly clear (20-30 percent).
Temperature.........Min 61.
RH..................Max 81 percent.
Eye level winds.....Northeast winds up to 8 mph in the evening and
overnight becoming light.
Wind (30 ft)........Northeast winds 6 to 14 mph in the evening and
overnight becoming light.
Wind (20 ft)........North winds 5 to 10 mph in the evening and
overnight becoming light.
Mixing height.......400 ft AGL.
Transport winds.....North 8 to 17 mph shifting to the northeast 7
to 8 mph after 3 am.
Smoke dispersal.....Good (48600 knot-ft) early in the evening
decreasing to poor (1800 knot-ft) late in the
night.
GFDI................0.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........21 23 24 24 24 23 23 22 23 23 23 23
Weather cov.....
Weather type....
Tstm cov........
Temp............82 82 80 75 72 70 68 66 65 63 63 62
RH..............49 49 51 58 61 66 70 73 75 81 78 81
20 ft wind dir..N N N N N N NE NE NE NE NE NE
20 ft wind spd..11 9 7 6 6 6 6 5 4 4 4 4
20 ft wind gust.16 14 11 10 10 10 8 7 6 6 6 6
Eye lvl wnd dir.N N N N N N NE NE NE NE NE NE
Eye lvl wnd spd.8 7 5 4 4 4 4 4 3 3 3 3
Eye lvl wnd gst.12 10 8 8 8 7 6 5 5 5 5 5
30 ft wnd dir...N N N N N N NE NE NE NE NE NE
30 ft wnd spd...14 11 9 8 8 8 8 6 5 5 5 5
30 ft wnd gst...20 17 14 13 13 12 10 9 8 8 8 8
Mix hgt (kft)...4.7 2.5 0.6 0.5 0.4 0.5 0.4 0.5 0.4 0.4 0.4 0.4
Transp wind dir.N N N NE N NE NE NE NE NE NE NE
Transp wind spd.17 13 10 10 9 9 10 9 9 8 7 8
GFDI............0 0 0 0 0 0 0 0 0 0 0 0
SDspl kt-ft/100049 28 16 8 4 2 2 4 3 3 3 2
.WEDNESDAY...
Sky/weather.........Mostly sunny (40-50 percent) then becoming
cloudy (85-95 percent). Slight chance of
showers early in the afternoon. Chance of
showers late in the afternoon.
Temperature.........Max 78.
RH..................Min 52 percent.
Eye level winds.....Light winds becoming northeast around 4 mph
early in the morning, then becoming light early
in the morning becoming north around 4 mph in
the late morning and early afternoon becoming
light becoming north around 4 mph late in the
afternoon becoming light.
Wind (30 ft)........Light winds becoming northeast around 6 mph
early in the morning, then becoming light early
in the morning becoming north around 6 mph in
the late morning and early afternoon becoming
light becoming north around 6 mph late in the
afternoon becoming light.
Wind (20 ft)........Light winds becoming northeast around 5 mph
early in the morning, then becoming light early
in the morning becoming north around 5 mph in
the late morning and early afternoon becoming
light becoming north around 5 mph late in the
afternoon becoming light.
Mixing height.......3500 ft AGL.
Transport winds.....Northeast 6 to 9 mph.
Smoke dispersal.....Poor (2000 knot-ft) early in the morning
increasing to fair (24300 knot-ft) in the
afternoon.
GFDI................0.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........25 26 32 50 35 56 63 69 69 94 86 85
Weather cov..... SCH SCH CHC CHC
Weather type.... RW RW RW RW
Tstm cov........
Temp............61 62 64 68 71 73 74 76 76 76 77 76
RH..............81 81 81 70 64 59 55 52 52 54 52 54
20 ft wind dir..NE NE NE NE NE N N N N N N NW
20 ft wind spd..4 5 4 4 5 5 5 5 4 4 5 4
20 ft wind gust.6 7 6 6 7 7 7 7 7 7 6 6
Eye lvl wnd dir.NE NE NE NE NE N N N N N N NW
Eye lvl wnd spd.3 4 3 3 4 4 4 4 3 3 4 3
Eye lvl wnd gst.5 5 5 5 5 5 5 5 5 5 5 5
30 ft wnd dir...NE NE NE NE NE N N N N N N NW
30 ft wnd spd...5 6 5 5 6 6 6 6 5 5 6 5
30 ft wnd gst...8 9 8 8 9 9 9 9 9 9 8 8
Mix hgt (kft)...0.4 0.4 0.6 1.3 2.0 2.9 3.3 3.5 3.3 3.2 3.0 2.3
Transp wind dir.NE NE NE NE N N N N N N N N
Transp wind spd.8 8 9 9 8 9 8 8 8 8 7 6
GFDI............0 0 0 0 0 0 0 0 0 0 0 0
SDspl kt-ft/10002 3 6 10 14 19 22 24 24 21 18 14
.FORECAST DAYS 3 THROUGH 5...
.THURSDAY...
Mostly cloudy. Lows around 60. Highs in the upper 70s. Southeast
winds around 5 mph.
.FRIDAY...
Mostly cloudy with showers likely and chance of thunderstorms.
Lows in the lower 60s. Highs in the upper 70s. Southeast winds
around 7 mph.
.SATURDAY...
Partly cloudy. Lows in the lower 60s. Highs in the mid 80s. South
winds around 5 mph.
$$
Forecaster...KG
Requested by...Aric Ping
Type of request...PRESCRIBED
.TAG 2617860.0/OAX
.DELDT 07/21/26
.FormatterVersion 2.0.0
.EMAIL aric.ping@pottcounty-ia.gov