941
FNUS73 KMPX 292351
FWSMPX

Spot Forecast for Burn Unit 40d&e...USWFS
National Weather Service Twin Cities/Chanhassen MN
651 PM CDT Wed Apr 29 2026

Forecast is based on ignition time of 1000 CDT on April 30.
Please contact our office if you have questions or concerns with
this forecast.

.DISCUSSION...
Northwest winds will continue Thursday, though gusts will be
slightly lower. After patchy morning frost humidity will return to
moderate levels in the afternoon. Dry weather is expected through
the rest of the week.

.THURSDAY...

Sky/weather.........Mostly sunny (40-50 percent).
Temperature.........41 at ignition...Max 51.
RH..................57 percent at ignition...Min 36 percent.
Wind (20 ft)........Winds north at 8 mph at ignition...otherwise
                    North winds 8 to 10 mph.
Smoke dispersal.....Good /58700 knot-ft/ at ignition.
                    Max...excellent /85600 knot-ft/.
Mixing height.......4500 ft AGL at ignition...otherwise 6500 ft
                    AGL.
Transport winds.....North 14 to 16 mph.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM
Sky cover.......PC  PC  PC  MC  MC  MC  MC  MC  PC  PC  MC  MC
Weather cov.....
Weather type....
Tstm cov........
Temp............41  43  45  48  49  50  51  51  50  49  46  44
RH..............57  51  47  42  40  39  37  36  37  40  45  49
20 FT wind dir..N   N   N   NW  N   N   N   N   N   N   N   N
20 FT wind spd..8   9   9   10  10  10  9   9   9   8   7   6
20 FT wind gust.15  15  16  17  16  17  17  17  16  15  13  12
Mix hgt (kft)...4.5 5.2 5.7 5.6 6.0 6.5 6.1 6.4 6.0 5.4 1.6 1.1
Transp wind dir.N   N   N   N   N   N   N   N   N   N   N   N
Transp wind spd.15  16  15  14  14  14  16  15  16  15  10  8

.THURSDAY NIGHT...

Sky/weather.........Partly cloudy (40-50 percent) then becoming
                    mostly cloudy (50-60 percent) then becoming
                    partly cloudy (45-55 percent) then becoming
                    mostly cloudy (45-55 percent). Areas of frost
                    overnight. Widespread frost after 3 am.
Temperature.........Min 32.
RH..................Max 82 percent.
Wind (20 ft)........North winds 5 to 9 mph in the evening becoming
                    light.
Smoke dispersal.....Excellent (84500 knot-ft) early in the evening
                    decreasing to poor (3200 knot-ft) late in the
                    night.
Mixing height.......400 ft AGL.
Transport winds.....North 8 to 16 mph.

.FRIDAY...

Sky/weather.........Mostly sunny (40-50 percent). Widespread frost
                    early in the morning.
Temperature.........Max 53.
RH..................Min 32 percent.
Wind (20 ft)........Light winds becoming north 5 to 8 mph in the
                    late morning and afternoon.
Smoke dispersal.....Poor (2800 knot-ft) early in the morning
                    increasing to excellent (73000 knot-ft) in the
                    afternoon.
Mixing height.......7300 ft AGL.
Transport winds.....North 7 to 12 mph.

$$
Forecaster...WFO MPX
Requested by...Robert Bengson
Type of request...PRESCRIBED
.TAG 2612180.1/MPX
.DELDT 04/30/26
.FormatterVersion 2.0.0
.EMAIL robert_bengson@fws.gov