Spot Forecast
Issued by NWS Gaylord, MI
Issued by NWS Gaylord, MI
635
FNUS73 KAPX 140756
FWSAPX
Spot Forecast for Clear Lake...MI DNR
National Weather Service Gaylord MI
356 AM EDT Mon Sep 14 2026
Forecast is based on ignition time of 1200 EDT on September 14.
If conditions become unrepresentative... contact the National Weather
Service.
Please contact our office at (989)732-9306, if you have questions
or concerns with this forecast.
.DISCUSSION...
Rain-free conditions and efficient mixing are expected to lower
RH values below 35 percent today. 20-ft winds will be under 10 mph
this afternoon, increasing through tonight with 20-ft winds
becoming 10- 15 mph by Tuesday morning with gusts 25-35 mph
possible. Widespread rain is also expected to arrive around
midnight tonight and will persist through at least Tuesday
afternoon, resulting in accumulations of generally 0.25" or less
to localized amounts of 0.50" or more.
.TODAY...
Sky/weather.........Sunny (15-25 percent).
Chance of thunder...0 percent.
Max temperature.....Around 70.
Min humidity........30 percent.
20-foot winds.......Light winds.
Transport winds.....Northwest 6 to 10 mph shifting to the southwest
around 7 mph late in the afternoon.
Mixing height.......400-600 ft AGL increasing to 5000-5300 ft AGL.
Ventilation index...Poor to good (22.0-333.0).
TIME (EDT) 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........5 10 23 28 41 30
Weather cov.....
Weather type....
Tstm cov........
Chc of thdr (%).0 0 0 0 0 0
Temp............62 64 67 68 69 70
RH..............44 40 35 33 31 30
20 ft wind dir..NW NW NW SW SW SW
20 ft wind spd..3 3 3 3 3 3
20 ft wind gust.8 8 8 9 9 9
Mix hgt (kft)...4.5 4.9 5.1 5.1 5.3 5.0
Transp wind dir.N NW W W SW S
Transp wind spd.8 7 6 6 7 7
Vrate kt-ft.....313 293 256 256 316 303
Ventrate Cat....GD FR FR FR GD GD
.TONIGHT...
Sky/weather.........Partly cloudy (25-35 percent) then becoming
mostly cloudy (70-80 percent). Scattered rain
showers late in the evening. Rain likely
overnight, then rain early in the morning.
Chance of thunder...14 percent.
Min temperature.....Around 50.
Max humidity........96 percent.
20-foot winds.......Light winds becoming south 5 to 10 mph with
gusts to around 26 mph.
Transport winds.....South 8 to 17 mph.
Mixing height.......4200 ft AGL decreasing to 500-1600 ft AGL.
Ventilation index...Poor to fair (48.0-296.0).
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........31 55 57 57 74 93 72 90 87 92 85 88
Weather cov..... SCT SCT SCT LKY LKY LKY DEF
Weather type.... RW RW RW RN RN RN RN
Tstm cov........
Chc of thdr (%).0 0 0 0 0 0 0 0 10 10 10 10
Temp............68 66 62 56 54 53 53 52 51 52 52 52
RH..............34 37 46 58 63 69 72 79 86 82 84 81
20 ft wind dir..SE SE SE SE SE SE S S S S S S
20 ft wind spd..8 8 8 10 10 10 10 10 10 13 13 13
20 ft wind gust.17 17 17 21 21 21 22 22 22 26 26 26
Mix hgt (kft)...4.2 1.6 0.5 0.5 0.5 0.5 0.5 0.5 0.7 0.6 0.7 0.7
Transp wind dir.S SE SE S S S S S S S S S
Transp wind spd.8 9 10 12 13 15 17 17 15 17 16 17
Vrate kt-ft.....296 128 48 53 50 59 77 80 90 90 99 101
Ventrate Cat....FR PR PR PR PR PR PR PR PR PR PR PR
.TUESDAY...
Sky/weather.........Mostly cloudy (75-85 percent) then becoming
mostly sunny (35-45 percent). Rain early in the
morning, then chance of rain early in the
morning. Scattered rain showers late in the
morning.
Chance of thunder...14 percent.
Max temperature.....Around 76.
Min humidity........58 percent.
20-foot winds.......Southwest winds 10 to 12 mph shifting to the
west around 10 mph late in the afternoon. Gusts
up to 31 mph.
Transport winds.....Southwest 20 to 25 mph shifting to the west
late in the afternoon.
Mixing height.......400-2300 ft AGL increasing to 2600-3100 ft AGL
late in the afternoon.
Ventilation index...Poor to good (80.0-520.0).
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........85 84 82 87 81 81 71 88 76 73 67 40
Weather cov.....DEF DEF CHC CHC CHC SCT SCT SCT ISO ISO ISO ISO
Weather type....RN RN RN RN RN RW RW RW RW RW RW RW
Tstm cov........
Chc of thdr (%).10 10 10 10 10 10 10 10 10 10 10 0
Temp............51 50 52 57 61 64 67 69 73 74 74 76
RH..............83 92 96 93 87 84 81 81 71 67 63 58
20 ft wind dir..S S S S S S SW SW SW SW SW SW
20 ft wind spd..15 15 15 15 15 15 14 14 14 14 14 14
20 ft wind gust.30 30 30 31 31 31 29 29 29 29 29 29
Mix hgt (kft)...0.5 0.4 0.9 1.7 1.6 1.8 2.3 2.3 2.6 2.7 2.9 3.1
Transp wind dir.S S S S S SW SW SW SW SW SW W
Transp wind spd.20 21 22 22 22 22 25 22 22 20 20 20
Vrate kt-ft.....81 80 168 318 308 351 499 442 488 464 495 520
Ventrate Cat....PR PR FR GD GD GD GD GD GD GD GD GD
$$
Forecaster...NSC
Requested by...Nate Stearns
Type of request...PRESCRIBED
.TAG 2621776.0/APX
.DELDT 09/14/26
.FormatterVersion 2.0.0
.EMAIL stearnsn@michigan.gov