800  
FNUS73 KBIS 010232  
FWSBIS  
 
SPOT FORECAST FOR MANDAN FIREWORKS SHOW...MORTON COUNTY EMERGENCY MANAGEMENT  
NATIONAL WEATHER SERVICE BISMARCK ND  
832 PM CST WED DEC 31 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 2100 CST ON DECEMBER 31.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
CLOUDY WITH FLURRIES TONIGHT IN MANDAN. PATCHY FOG IS POSSIBLE  
AFTER MIDNIGHT. TEMPERATURES ARE FORECAST TO REMAIN NEARLY  
STEADY THIS EVENING BETWEEN 5 AND 10 DEGREES, WITH WIND CHILLS  
OF ZERO TO 5 BELOW ZERO. CURRENTLY, EAST WINDS AROUND 5 TO 7 MPH  
ARE FORECAST TO SHIFT TO THE SOUTHEAST AROUND 10 PM THIS EVENING  
AND THEN REMAIN SOUTHEAST TO SOUTH THROUGH THE REST OF THE NIGHT.  
WE ARE NOT EXPECTING ANY IMPACTS OR ACCUMULATIONS FROM THE  
FLURRIES. CHANCE OF MEASURABLE PRECIPITATION IS 10 PERCENT.  
   
REST OF TONIGHT  
 
SKY/WEATHER.........CLOUDY WITH FLURRIES THROUGH THE NIGHT.  
PATCHY FOG AFTER 3 AM.  
CHANCE OF PCPN......10 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
MIN TEMPERATURE.....AROUND 6 ABOVE.  
MAX HUMIDITY........91 PERCENT.  
MIN APPARENT TEMP...-3.  
SURFACE WINDS.......EAST WINDS 5 TO 7 MPH SHIFTING TO THE  
SOUTHEAST AROUND 5 TO 7 MPH BY AROUND  
10 PM THIS EVENING. WINDS THEN REMAIN  
SOUTHEAST TO SOUTH 5 TO 7 MPH THROUGH  
THE REMAINDER OF THE NIGHT.  
 
TIME (CST) 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........100 100 100 100 100 100 100 100 100  
WEATHER COV.....SCH SCH SCH SCH SCH SCH SCH SCH SCH  
WEATHER TYPE....SW SW SW SW SW SW SNF SNF SNF  
TSTM COV........  
CHC OF PCPN (%).10 10 10 10 10 10 10 10 10  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0  
TEMP............8 9 9 7 8 9 9 10 11  
RH..............87 83 85 91 87 87 91 87 87  
APARNT TMP (F)..-1 -1 -2 -3 -2 -1 -1 0 3  
SURFACE WND DIR.E SE SE SE S SE SE SE SE  
SURFACE WND SPD.6 6 6 6 6 6 6 6 5  
SURFACE WND GST.9 9 10 10 9 10 10 9 9  
   
NEW YEARS DAY  
 
SKY/WEATHER.........CLOUDY. PATCHY FOG IN THE MORNING. SCATTERED  
FLURRIES.  
CHANCE OF PCPN......10 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
MAX TEMPERATURE.....AROUND 21.  
MIN HUMIDITY........87 PERCENT.  
MIN APPARENT TEMP...3.  
SURFACE WINDS.......LIGHT SOUTHEAST WINDS BECOMING NORTHWEST AROUND 6 MPH  
LATE IN THE AFTERNOON.  
 
TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........92 92 92 92 92 92 92 92 93 94 95 95  
WEATHER COV.....PTY PTY PTY PTY PTY PTY  
WEATHER TYPE....FOG FOG FOG FOG FOG FOG  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............11 12 12 13 14 16 19 20 21 21 21 20  
RH..............91 87 91 91 96 92 88 92 88 88 88 88  
APARNT TMP (F)..3 4 6 7 8 10 12 13 13 13 13 12  
SURFACE WND DIR.SE SE SE SE S W NW NW NW NW NW NW  
SURFACE WND SPD.5 4 4 4 4 4 5 5 6 6 6 6  
SURFACE WND GST.9 8 8 8 8 8 9 10 10 12 10 9  
 
 
FORECASTER...HAMILTON  
REQUESTED BY...PATRICK MARTIN  
TYPE OF REQUEST...OTHER  
.TAG 2528182.1/BIS  
.DELDT 12/31/25  
.FORMATTERVERSION 2.0.0  
.EMAIL PATRICK.MARTIN@MORTONND.GOV  
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