FNUS51 KCAR 181811 FWFCAR Fire Weather Planning Forecast for Northern and Eastern Maine National Weather Service Caribou ME 211 PM EDT Mon May 18 2026 .DISCUSSION... Tonight, RHs recover and winds calm down with light south winds. Some showers in northern areas tonight. A round of showers and thunderstorms both Tuesday and Wednesday could bring a return of wetting rain across the forecast area. Dewpoints on Tuesday will be high, in the 50s and 60s, and winds will be light from the west. Some lightning, gusty winds, and heavy rains are possible in strong storms on Tuesday. Wednesday could also have some thunderstorms. MEZ101-190815- Quebec-Maine Borderlands- 211 PM EDT Mon May 18 2026 Tonight Tue Tue Night Wed Cloud cover Mcldy Mcldy Pcldy Pcldy Precip type Tstms Tstms Tstms Showers Chance precip (%) 50 60 50 30 Chance of Thunder (%) 32(ELEV) 33(ELEV) 20(LTD) 11 Temp (24h trend) 48 (+12) 78 (+15) 58 74 RH % (24h trend) 100 (+28) 61 (+29) 100 43 20ftWnd-val/AM(mph) Lgt/Var W 11 G23 20ftWnd-rdg/PM(mph) Lgt/Var W 5 SW 6 G17 W 12 G26 Precip amount 0.04 0.10 0.03 0.00 Precip duration 4 6 2 1 Precip begin 8 PM Continuing Continuing Continuing Precip end Continuing Continuing Continuing 4 PM Mixing hgt(ft-AGL/MSL) 2870 5960 Transport wnd (kts) W 13 W 24 Vent rate (kt-ft) 71900 157160 Dispersion Good Excellent CWR 10 40 20 KBDI <200 <200 <200 <200 Remarks...None. $$ MEZ102-190815- North Woods and St. John Valley- 211 PM EDT Mon May 18 2026 Tonight Tue Tue Night Wed Cloud cover Mcldy Mcldy Pcldy Pcldy Precip type Tstms Tstms Tstms Showers Chance precip (%) 30 70 50 20 Chance of Thunder (%) 27(ELEV) 34(ELEV) 26(ELEV) 11 Temp (24h trend) 46 (+9) 80 (+16) 59 78 RH % (24h trend) 96 (+24) 56 (+27) 100 40 20ftWnd-val/AM(mph) Lgt/Var W 10 G23 20ftWnd-rdg/PM(mph) Lgt/Var W 5 SW 5 W 12 G25 Precip amount 0.02 0.13 0.03 0.00 Precip duration 3 6 2 1 Precip begin 9 PM Continuing Continuing Continuing Precip end Continuing Continuing Continuing 6 PM Mixing hgt(ft-AGL/MSL) 3090 6500 Transport wnd (kts) W 13 W 25 Vent rate (kt-ft) 83420 180370 Dispersion Very Good Excellent CWR 10 60 30 KBDI <200 <200 <200 <200 Remarks...None. $$ MEZ103-190815- Eastern Aroostook- 211 PM EDT Mon May 18 2026 Tonight Tue Tue Night Wed Cloud cover Mcldy Mcldy Pcldy Pcldy Precip type Tstms Tstms Tstms Showers Chance precip (%) 20 80 60 10 Chance of Thunder (%) 21(LTD) 37(ELEV) 26(ELEV) 12 Temp (24h trend) 47 (+8) 81 (+16) 60 81 RH % (24h trend) 84 (+20) 53 (+31) 97 37 20ftWnd-val/AM(mph) Lgt/Var W 10 G26 20ftWnd-rdg/PM(mph) S 5 G17 Lgt/Var Lgt/Var W 14 G28 Precip amount 0.01 0.14 0.04 0.00 Precip duration 3 5 1 1 Precip begin 11 PM Continuing Continuing 1 PM Precip end Continuing Continuing 2 AM 6 PM Mixing hgt(ft-AGL/MSL) 2520 6990 Transport wnd (kts) W 10 W 25 Vent rate (kt-ft) 55960 197030 Dispersion Good Excellent CWR 60 60 KBDI <200 <200 <200 <200 Remarks...None. $$ MEZ105-190815- Central Highlands- 211 PM EDT Mon May 18 2026 Tonight Tue Tue Night Wed Cloud cover Pcldy Pcldy Pcldy Pcldy Precip type None Tstms Tstms Showers Chance precip (%) 0 70 40 10 Chance of Thunder (%) 5 39(ELEV) 24(LTD) 12 Temp (24h trend) 46 (+4) 85 (+22) 61 81 RH % (24h trend) 87 (+17) 50 (+13) 89 38 20ftWnd-val/AM(mph) Lgt/Var W 10 G26 20ftWnd-rdg/PM(mph) S 6 G17 W 6 SW 5 W 14 G29 Precip amount 0.00 0.06 0.02 0.00 Precip duration 4 1 0 Precip begin 8 AM Continuing 12 PM Precip end Continuing 9 PM 3 PM Mixing hgt(ft-AGL/MSL) 3900 6480 Transport wnd (kts) W 17 W 26 Vent rate (kt-ft) 115540 212480 Dispersion Very Good Excellent CWR 0 30 30 KBDI <200 <200 <200 <200 Remarks...None. $$ MEZ106-190815- Central Maine North of Bangor- 211 PM EDT Mon May 18 2026 Tonight Tue Tue Night Wed Cloud cover Pcldy Pcldy Pcldy Pcldy Precip type None Tstms Tstms Showers Chance precip (%) 0 70 60 20 Chance of Thunder (%) 5 38(ELEV) 33(ELEV) 13 Temp (24h trend) 47 (+3) 88 (+22) 64 84 RH % (24h trend) 82 (+20) 43 (+16) 83 37 20ftWnd-val/AM(mph) Lgt/Var SW 7 G21 20ftWnd-rdg/PM(mph) Lgt/Var SW 5 Lgt/Var W 11 G25 Precip amount 0.00 0.10 0.06 0.00 Precip duration 3 1 1 Precip begin 9 AM Continuing 10 AM Precip end Continuing 9 PM Continuing Mixing hgt(ft-AGL/MSL) 4370 6630 Transport wnd (kts) W 15 W 22 Vent rate (kt-ft) 102160 168020 Dispersion Very Good Excellent CWR 0 80 80 KBDI <200 <200 <200 <200 Remarks...None. $$ MEZ108-190815- Interior Downeast- 211 PM EDT Mon May 18 2026 Tonight Tue Tue Night Wed Cloud cover Pcldy Pcldy Pcldy Pcldy Precip type None Tstms Tstms Tstms Chance precip (%) 0 60 60 30 Chance of Thunder (%) 5 27(ELEV) 26(ELEV) 15(LTD) Temp (24h trend) 46 (-1) 87 (+19) 62 86 RH % (24h trend) 90 (+28) 43 (+15) 83 44 20ftWnd-val/AM(mph) Lgt/Var W 7 G21 20ftWnd-rdg/PM(mph) Lgt/Var SW 5 Lgt/Var W 10 G23 Precip amount 0.00 0.12 0.07 0.00 Precip duration 2 1 1 Precip begin 2 PM Continuing 10 AM Precip end Continuing 10 PM Continuing Mixing hgt(ft-AGL/MSL) 4030 5190 Transport wnd (kts) SW 14 W 22 Vent rate (kt-ft) 94090 126220 Dispersion Very Good Excellent CWR 0 90 90 KBDI <200 <200 <200 <200 Remarks...None. $$ MEZ112-190815- Coastal Downeast- 211 PM EDT Mon May 18 2026 Tonight Tue Tue Night Wed Cloud cover Pcldy Pcldy Pcldy Pcldy Precip type None Tstms Tstms Tstms Chance precip (%) 0 50 50 30 Chance of Thunder (%) 4 21(LTD) 21(LTD) 15(LTD) Temp (24h trend) 45 (-2) 83 (+18) 57 84 RH % (24h trend) 97 (+32) 47 (+13) 91 49 20ftWnd-val/AM(mph) Lgt/Var SW 6 G20 20ftWnd-rdg/PM(mph) Lgt/Var SW 5 Lgt/Var W 9 G21 Precip amount 0.00 0.06 0.04 0.00 Precip duration 1 1 1 Precip begin 2 PM Continuing 11 AM Precip end Continuing 10 PM Continuing Mixing hgt(ft-AGL/MSL) 1760 3530 Transport wnd (kts) SW 11 W 18 Vent rate (kt-ft) 32860 97690 Dispersion Marginal Very Good CWR 0 40 40 KBDI <200 <200 <200 <200 Remarks...None. $$ MEZ113-190815- Bangor Region- 211 PM EDT Mon May 18 2026 Tonight Tue Tue Night Wed Cloud cover Mclear Pcldy Pcldy Pcldy Precip type None Tstms Tstms Tstms Chance precip (%) 0 60 60 20 Chance of Thunder (%) 2 31(ELEV) 18(LTD) 15(LTD) Temp (24h trend) 47 (-1) 90 (+23) 67 85 RH % (24h trend) 86 (+24) 40 (+9) 74 39 20ftWnd-val/AM(mph) Lgt/Var SW 9 G23 20ftWnd-rdg/PM(mph) S 5 SW 7 SW 5 W 13 G25 Precip amount 0.00 0.10 0.05 0.00 Precip duration 2 1 1 Precip begin 9 AM Continuing 9 AM Precip end Continuing 8 PM Continuing Mixing hgt(ft-AGL/MSL) 5060 6290 Transport wnd (kts) W 18 W 22 Vent rate (kt-ft) 105620 152040 Dispersion Very Good Excellent CWR 0 90 90 KBDI <200 <200 <200 <200 Remarks...None. $$ MEZ114-190815- Eastern Penobscot Bay Coast- 211 PM EDT Mon May 18 2026 Tonight Tue Tue Night Wed Cloud cover Pcldy Pcldy Pcldy Pcldy Precip type None Tstms Tstms Tstms Chance precip (%) 0 30 40 30 Chance of Thunder (%) 2 23(LTD) 15(LTD) 15(LTD) Temp (24h trend) 46 (-4) 88 (+22) 60 86 RH % (24h trend) 95 (+31) 43 (+6) 84 47 20ftWnd-val/AM(mph) Lgt/Var SW 8 G23 20ftWnd-rdg/PM(mph) Lgt/Var SW 7 G18 SW 5 G18 W 11 G23 Precip amount 0.00 0.06 0.03 0.00 Precip duration 1 1 1 Precip begin 2 PM Continuing 10 AM Precip end Continuing 8 PM Continuing Mixing hgt(ft-AGL/MSL) 2240 3650 Transport wnd (kts) SW 13 W 16 Vent rate (kt-ft) 47400 74140 Dispersion Fair Good CWR 0 40 40 KBDI <200 <200 <200 <200 Remarks...None. $$ .FORECAST FOR DAYS 3 THROUGH 7... .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 30s. Northwest winds around 15 mph. .THURSDAY...Sunny. Highs in the mid 50s. Northwest winds around 15 mph. .THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. Northwest winds around 10 mph. .FRIDAY...Sunny. Highs in the lower 60s. Northwest winds around 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 30s. Northwest winds around 10 mph. .SATURDAY...Mostly sunny. Highs in the lower 60s. Northwest winds around 5 mph. .SATURDAY NIGHT...Mostly cloudy. Lows in the lower 40s. South winds around 5 mph. .SUNDAY...Mostly sunny. Highs in the lower 60s. Southeast winds around 5 mph. .SUNDAY NIGHT...Mostly cloudy. Lows in the lower 40s. South winds around 5 mph. .MONDAY...Partly sunny with a chance of showers. Highs in the lower 60s. South winds around 5 mph. .OUTLOOK 8 TO 14 DAYS... Temperatures above normal. Precipitation near normal. $$