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FNUS73 KLBF 162158
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Spot Forecast for Highway 40 Fire...Custer County EM
National Weather Service North Platte NE
458 PM CDT Sat May 16 2026

Forecast is based on forecast start time of 1700 CDT on May 16.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact the NWS North Platte office at 308-532-0921 (or
at 1-800-603-3562) if you have any questions or concerns with this forecast.

.DISCUSSION...

Thunderstorms are expected to persist through around midnight,
before exiting Custer County. Any store presents the threat for
gusty, erratic winds, with severe storms presenting a threat for
60 mph winds or greater.

With storms expected, humidity recovery is expected to reach
around 90 percent overnight, with an overnight low around 54
degrees. Prevailing winds are expected to remain easterly around
15 to 20 mph, with gusts up to 30 mph through midnight. After
midnight, winds are expected to remain easterly around 10 to 15
mph, with gusts up to 25 mph possible.

For Sunday, winds remain easterly around 5 to 10 mph, with gusts
up to 15 mph through Noon. By Noon, a switch to northerly to
northwesterly winds are expected, with sustained winds around 10
to 15 mph, gusting up to 25 mph. Showers and thunderstorms are
possible after Noon, introducing a risk for gusty, erratic winds.
By late afternoon into the evening, expect winds to increase to 15
to 20 mph, gusting to 30 mph. Minimum humidity around 34 percent
is expected Sunday afternoon, with a high around 82.

.REST OF TODAY...

Sky/weather.........Mostly sunny (35-45 percent). Slight chance of
                    showers and thunderstorms.
Max temperature.....Around 84.
Min humidity........27 percent.
Eye level winds.....East winds around 11 mph.
Wind (20 ft)........East winds around 18 mph. Gusty and erratic
                    winds expected near thunderstorms.

TIME (CDT)      5PM
Sky (%).........39
Weather cov.....SCH
Weather type....RW
Tstm cov........SCH
Temp............82
RH..............30
20 FT wind dir..E
20 FT wind spd..18
20 FT wind gust.25
Eye lvl wnd dir.E
Eye lvl wnd spd.11
Eye lvl wnd gst.15

.TONIGHT...

Sky/weather.........Mostly cloudy (70-80 percent). Rain showers in
                    the evening. Chance of thunderstorms through
                    the night. Chance of rain showers overnight.
Min temperature.....Around 54.
Max humidity........93 percent.
Eye level winds.....East winds 8 to 10 mph with gusts to around 18
                    mph.
Wind (20 ft)........East winds 13 to 17 mph with gusts to around 30
                    mph. Gusty and erratic winds expected near
                    thunderstorms early in the evening. Gusty and
                    erratic winds expected near thunderstorms in
                    the evening. Gusty and erratic winds expected
                    near thunderstorms overnight.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........53  59  73  82  85  92  80  76  87  90  73  79
Weather cov.....CHC CHC LKY LKY DEF LKY CHC CHC CHC CHC SCH SCH
Weather type....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........SCH CHC CHC CHC CHC CHC CHC SCH SCH SCH SCH SCH
Temp............80  79  76  69  65  65  64  63  59  59  58  56
RH..............31  32  37  49  60  58  67  72  87  90  90  93
20 FT wind dir..E   E   E   E   E   E   E   E   E   E   E   E
20 FT wind spd..17  17  15  14  15  15  16  17  16  15  14  13
20 FT wind gust.24  26  24  24  30  25  26  28  26  25  26  22
Eye lvl wnd dir.E   E   E   E   E   E   E   E   E   E   E   E
Eye lvl wnd spd.10  10  9   8   9   9   10  10  10  9   8   8
Eye lvl wnd gst.14  16  14  14  18  15  16  17  16  15  16  13

.SUNDAY...

Sky/weather.........Mostly cloudy (65-75 percent) then becoming
                    mostly sunny (35-45 percent). Slight chance of
                    showers and thunderstorms in the morning.
                    Chance of showers and thunderstorms in the
                    afternoon.
Max temperature.....Around 82.
Min humidity........34 percent.
Eye level winds.....East winds 5 to 6 mph shifting to the northwest
                    around 8 mph late in the afternoon.
Wind (20 ft)........East winds around 10 mph shifting to the
                    northwest 13 to 14 mph late in the afternoon.
                    Gusty and erratic winds expected near
                    thunderstorms early in the morning. Gusty and
                    erratic winds expected near thunderstorms early
                    in the afternoon. Gusty and erratic winds
                    expected near thunderstorms late in the
                    afternoon.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........78  85  82  80  77  70  68  63  58  47  42  36
Weather cov.....SCH SCH SCH                 CHC CHC CHC CHC CHC
Weather type....RW  RW  RW                  RW  RW  RW  RW  RW
Tstm cov........SCH                         SCH SCH SCH CHC CHC
Temp............59  59  61  67  71  75  77  79  80  81  79  77
RH..............87  83  81  65  55  48  43  39  35  34  34  36
20 FT wind dir..E   E   E   E   E   E   NE  NE  N   N   NW  NW
20 FT wind spd..10  9   8   8   8   8   8   8   9   10  13  14
20 FT wind gust.20  17  15  14  15  15  15  16  17  20  23  24
Eye lvl wnd dir.E   E   E   E   E   E   NE  NE  N   N   NW  NW
Eye lvl wnd spd.6   5   5   5   5   5   5   5   5   6   8   8
Eye lvl wnd gst.12  10  9   8   9   9   9   10  10  12  14  14

$$
Forecaster...Richie/WFO LBF
Requested by...Mark Rempe
Type of request...WILDFIRE
.TAG 2613832.0/LBF
.DELDT 05/16/26
.FormatterVersion 2.0.0
.EMAIL nws.northplatte@noaa.gov,mrempe@custercountyne.gov