diff --git a/src/game/data/data_020df0.c b/src/game/data/data_020df0.c
index 523c06847..563338b38 100644
--- a/src/game/data/data_020df0.c
+++ b/src/game/data/data_020df0.c
@@ -6358,7 +6358,7 @@ u32 sparktable[] = {
 
 u32 var8007f0b8 = 0x00000000;
 u32 var8007f0bc = 0x00000000;
-u32 var8007f0c0 = 0x00000000;
+struct weatherdata *g_WeatherData = NULL;
 u32 var8007f0c4 = 0x000080b7;
 u32 var8007f0c8 = 0x000080b6;
 u32 var8007f0cc = 0x000080b8;
diff --git a/src/game/game_0132a0.c b/src/game/game_0132a0.c
index 27cc846bd..4322b3f2f 100644
--- a/src/game/game_0132a0.c
+++ b/src/game/game_0132a0.c
@@ -32,9 +32,9 @@
 
 GLOBAL_ASM(
 glabel func0f0132a0
-/*  f0132a0:	3c038008 */ 	lui	$v1,%hi(var8007f0c0)
+/*  f0132a0:	3c038008 */ 	lui	$v1,%hi(g_WeatherData)
 /*  f0132a4:	3c018006 */ 	lui	$at,%hi(var800623f0)
-/*  f0132a8:	2463f0c0 */ 	addiu	$v1,$v1,%lo(var8007f0c0)
+/*  f0132a8:	2463f0c0 */ 	addiu	$v1,$v1,%lo(g_WeatherData)
 /*  f0132ac:	ac2023f0 */ 	sw	$zero,%lo(var800623f0)($at)
 /*  f0132b0:	ac600000 */ 	sw	$zero,0x0($v1)
 /*  f0132b4:	3c048008 */ 	lui	$a0,%hi(g_StageIndex)
@@ -87,12 +87,12 @@ glabel func0f0132a0
 /*  f01335c:	24040100 */ 	addiu	$a0,$zero,0x100
 /*  f013360:	0c0048f2 */ 	jal	malloc
 /*  f013364:	24050004 */ 	addiu	$a1,$zero,0x4
-/*  f013368:	3c038008 */ 	lui	$v1,%hi(var8007f0c0)
-/*  f01336c:	2463f0c0 */ 	addiu	$v1,$v1,%lo(var8007f0c0)
+/*  f013368:	3c038008 */ 	lui	$v1,%hi(g_WeatherData)
+/*  f01336c:	2463f0c0 */ 	addiu	$v1,$v1,%lo(g_WeatherData)
 /*  f013370:	0fc4c4cd */ 	jal	func0f131334
 /*  f013374:	ac620000 */ 	sw	$v0,0x0($v1)
-/*  f013378:	3c038008 */ 	lui	$v1,%hi(var8007f0c0)
-/*  f01337c:	2463f0c0 */ 	addiu	$v1,$v1,%lo(var8007f0c0)
+/*  f013378:	3c038008 */ 	lui	$v1,%hi(g_WeatherData)
+/*  f01337c:	2463f0c0 */ 	addiu	$v1,$v1,%lo(g_WeatherData)
 /*  f013380:	8c6b0000 */ 	lw	$t3,0x0($v1)
 /*  f013384:	2406ffff */ 	addiu	$a2,$zero,-1
 /*  f013388:	44800000 */ 	mtc1	$zero,$f0
diff --git a/src/game/game_01d770.c b/src/game/game_01d770.c
index ef4868095..7ff86ec82 100644
--- a/src/game/game_01d770.c
+++ b/src/game/game_01d770.c
@@ -12,79 +12,25 @@
 #include "lib/lib_0d520.h"
 #include "types.h"
 
-const char var7f1a8640[] = "wettick";
-const char var7f1a8648[] = "windspeed";
+void weatherTick(void)
+{
+	if (!g_WeatherData
+			|| (g_StageIndex == STAGEINDEX_AIRBASE && g_Vars.currentplayer->cam_pos.z < -2000.0f)
+			|| (g_StageIndex == STAGEINDEX_G5BUILDING && g_Vars.tickmode != TICKMODE_6)) {
+		return;
+	}
 
-const u32 var7f1a8654[] = {0x00000000};
-const u32 var7f1a8658[] = {0x00000000};
-const u32 var7f1a865c[] = {0x00000000};
+	func0000db30("wettick", &var80062954);
+	func0000db30("windspeed", &var80062950);
 
-GLOBAL_ASM(
-glabel func0f01d770
-/*  f01d770:	3c0e8008 */ 	lui	$t6,%hi(var8007f0c0)
-/*  f01d774:	8dcef0c0 */ 	lw	$t6,%lo(var8007f0c0)($t6)
-/*  f01d778:	27bdffe8 */ 	addiu	$sp,$sp,-24
-/*  f01d77c:	afbf0014 */ 	sw	$ra,0x14($sp)
-/*  f01d780:	11c00031 */ 	beqz	$t6,.L0f01d848
-/*  f01d784:	3c028008 */ 	lui	$v0,%hi(g_StageIndex)
-/*  f01d788:	8c42fc00 */ 	lw	$v0,%lo(g_StageIndex)($v0)
-/*  f01d78c:	24010013 */ 	addiu	$at,$zero,0x13
-/*  f01d790:	3c0f800a */ 	lui	$t7,%hi(g_Vars+0x284)
-/*  f01d794:	54410009 */ 	bnel	$v0,$at,.L0f01d7bc
-/*  f01d798:	2401000a */ 	addiu	$at,$zero,0xa
-/*  f01d79c:	8defa244 */ 	lw	$t7,%lo(g_Vars+0x284)($t7)
-/*  f01d7a0:	3c01c4fa */ 	lui	$at,0xc4fa
-/*  f01d7a4:	44813000 */ 	mtc1	$at,$f6
-/*  f01d7a8:	c5e41bb8 */ 	lwc1	$f4,0x1bb8($t7)
-/*  f01d7ac:	4606203c */ 	c.lt.s	$f4,$f6
-/*  f01d7b0:	00000000 */ 	sll	$zero,$zero,0x0
-/*  f01d7b4:	45010024 */ 	bc1t	.L0f01d848
-/*  f01d7b8:	2401000a */ 	addiu	$at,$zero,0xa
-.L0f01d7bc:
-/*  f01d7bc:	14410004 */ 	bne	$v0,$at,.L0f01d7d0
-/*  f01d7c0:	3c18800a */ 	lui	$t8,%hi(g_Vars+0x2ac)
-/*  f01d7c4:	8f18a26c */ 	lw	$t8,%lo(g_Vars+0x2ac)($t8)
-/*  f01d7c8:	24010006 */ 	addiu	$at,$zero,0x6
-/*  f01d7cc:	1701001e */ 	bne	$t8,$at,.L0f01d848
-.L0f01d7d0:
-/*  f01d7d0:	3c047f1b */ 	lui	$a0,%hi(var7f1a8640)
-/*  f01d7d4:	3c058006 */ 	lui	$a1,%hi(var80062954)
-/*  f01d7d8:	24a52954 */ 	addiu	$a1,$a1,%lo(var80062954)
-/*  f01d7dc:	0c0036cc */ 	jal	func0000db30
-/*  f01d7e0:	24848640 */ 	addiu	$a0,$a0,%lo(var7f1a8640)
-/*  f01d7e4:	3c047f1b */ 	lui	$a0,%hi(var7f1a8648)
-/*  f01d7e8:	3c058006 */ 	lui	$a1,%hi(var80062950)
-/*  f01d7ec:	24a52950 */ 	addiu	$a1,$a1,%lo(var80062950)
-/*  f01d7f0:	0c0036cc */ 	jal	func0000db30
-/*  f01d7f4:	24848648 */ 	addiu	$a0,$a0,%lo(var7f1a8648)
-/*  f01d7f8:	3c198006 */ 	lui	$t9,%hi(var80062954)
-/*  f01d7fc:	8f392954 */ 	lw	$t9,%lo(var80062954)($t9)
-/*  f01d800:	3c048008 */ 	lui	$a0,%hi(var8007f0c0)
-/*  f01d804:	53200011 */ 	beqzl	$t9,.L0f01d84c
-/*  f01d808:	8fbf0014 */ 	lw	$ra,0x14($sp)
-/*  f01d80c:	8c84f0c0 */ 	lw	$a0,%lo(var8007f0c0)($a0)
-/*  f01d810:	24010001 */ 	addiu	$at,$zero,0x1
-/*  f01d814:	8c820020 */ 	lw	$v0,0x20($a0)
-/*  f01d818:	10400005 */ 	beqz	$v0,.L0f01d830
-/*  f01d81c:	00000000 */ 	sll	$zero,$zero,0x0
-/*  f01d820:	10410007 */ 	beq	$v0,$at,.L0f01d840
-/*  f01d824:	00000000 */ 	sll	$zero,$zero,0x0
-/*  f01d828:	10000008 */ 	beqz	$zero,.L0f01d84c
-/*  f01d82c:	8fbf0014 */ 	lw	$ra,0x14($sp)
-.L0f01d830:
-/*  f01d830:	0fc4c68c */ 	jal	func0f131a30
-/*  f01d834:	00000000 */ 	sll	$zero,$zero,0x0
-/*  f01d838:	10000004 */ 	beqz	$zero,.L0f01d84c
-/*  f01d83c:	8fbf0014 */ 	lw	$ra,0x14($sp)
-.L0f01d840:
-/*  f01d840:	0fc4c874 */ 	jal	func0f1321d0
-/*  f01d844:	00000000 */ 	sll	$zero,$zero,0x0
-.L0f01d848:
-/*  f01d848:	8fbf0014 */ 	lw	$ra,0x14($sp)
-.L0f01d84c:
-/*  f01d84c:	27bd0018 */ 	addiu	$sp,$sp,0x18
-/*  f01d850:	03e00008 */ 	jr	$ra
-/*  f01d854:	00000000 */ 	sll	$zero,$zero,0x0
-/*  f01d858:	00000000 */ 	sll	$zero,$zero,0x0
-/*  f01d85c:	00000000 */ 	sll	$zero,$zero,0x0
-);
+	if (var80062954) {
+		switch (g_WeatherData->unk20) {
+		case 0:
+			func0f131a30(g_WeatherData);
+			break;
+		case 1:
+			func0f1321d0(g_WeatherData);
+			break;
+		}
+	}
+}
diff --git a/src/game/game_131060.c b/src/game/game_131060.c
index bf04105bd..9ca390f13 100644
--- a/src/game/game_131060.c
+++ b/src/game/game_131060.c
@@ -45,8 +45,8 @@ const char var7f1b56c0[] = "snowcol2";
 
 GLOBAL_ASM(
 glabel func0f131060
-/*  f131060:	3c058008 */ 	lui	$a1,%hi(var8007f0c0)
-/*  f131064:	8ca5f0c0 */ 	lw	$a1,%lo(var8007f0c0)($a1)
+/*  f131060:	3c058008 */ 	lui	$a1,%hi(g_WeatherData)
+/*  f131064:	8ca5f0c0 */ 	lw	$a1,%lo(g_WeatherData)($a1)
 /*  f131068:	27bdffd0 */ 	addiu	$sp,$sp,-48
 /*  f13106c:	afbf0024 */ 	sw	$ra,0x24($sp)
 /*  f131070:	14a00003 */ 	bnez	$a1,.L0f131080
@@ -480,10 +480,10 @@ glabel func0f131678
 /*  f131678:	24830001 */ 	addiu	$v1,$a0,0x1
 /*  f13167c:	18600025 */ 	blez	$v1,.L0f131714
 /*  f131680:	00001025 */ 	or	$v0,$zero,$zero
-/*  f131684:	3c078008 */ 	lui	$a3,%hi(var8007f0c0)
+/*  f131684:	3c078008 */ 	lui	$a3,%hi(g_WeatherData)
 /*  f131688:	44801000 */ 	mtc1	$zero,$f2
 /*  f13168c:	44800000 */ 	mtc1	$zero,$f0
-/*  f131690:	24e7f0c0 */ 	addiu	$a3,$a3,%lo(var8007f0c0)
+/*  f131690:	24e7f0c0 */ 	addiu	$a3,$a3,%lo(g_WeatherData)
 /*  f131694:	00002025 */ 	or	$a0,$zero,$zero
 /*  f131698:	24080064 */ 	addiu	$t0,$zero,0x64
 .L0f13169c:
@@ -535,8 +535,8 @@ glabel var7f1b56d4
 glabel var7f1b56d8
 .word 0x3cf5c28f
 .text
-/*  f13171c:	3c078008 */ 	lui	$a3,%hi(var8007f0c0)
-/*  f131720:	24e7f0c0 */ 	addiu	$a3,$a3,%lo(var8007f0c0)
+/*  f13171c:	3c078008 */ 	lui	$a3,%hi(g_WeatherData)
+/*  f131720:	24e7f0c0 */ 	addiu	$a3,$a3,%lo(g_WeatherData)
 /*  f131724:	8ce60000 */ 	lw	$a2,0x0($a3)
 /*  f131728:	27bdffe0 */ 	addiu	$sp,$sp,-32
 /*  f13172c:	afbf0014 */ 	sw	$ra,0x14($sp)
@@ -560,8 +560,8 @@ glabel var7f1b56d8
 /*  f131770:	00c02025 */ 	or	$a0,$a2,$zero
 /*  f131774:	0fc4c584 */ 	jal	func0f131610
 /*  f131778:	afaa0018 */ 	sw	$t2,0x18($sp)
-/*  f13177c:	3c078008 */ 	lui	$a3,%hi(var8007f0c0)
-/*  f131780:	24e7f0c0 */ 	addiu	$a3,$a3,%lo(var8007f0c0)
+/*  f13177c:	3c078008 */ 	lui	$a3,%hi(g_WeatherData)
+/*  f131780:	24e7f0c0 */ 	addiu	$a3,$a3,%lo(g_WeatherData)
 /*  f131784:	8ce60000 */ 	lw	$a2,0x0($a3)
 /*  f131788:	8faa0018 */ 	lw	$t2,0x18($sp)
 .L0f13178c:
@@ -743,8 +743,8 @@ glabel var7f1b56d8
 /*  f131a04:	04810004 */ 	bgez	$a0,.L0f131a18
 /*  f131a08:	00046823 */ 	negu	$t5,$a0
 /*  f131a0c:	ac6d0060 */ 	sw	$t5,0x60($v1)
-/*  f131a10:	3c068008 */ 	lui	$a2,%hi(var8007f0c0)
-/*  f131a14:	8cc6f0c0 */ 	lw	$a2,%lo(var8007f0c0)($a2)
+/*  f131a10:	3c068008 */ 	lui	$a2,%hi(g_WeatherData)
+/*  f131a14:	8cc6f0c0 */ 	lw	$a2,%lo(g_WeatherData)($a2)
 .L0f131a18:
 /*  f131a18:	8fae0020 */ 	lw	$t6,0x20($sp)
 /*  f131a1c:	acce00cc */ 	sw	$t6,0xcc($a2)
@@ -1089,8 +1089,8 @@ glabel var7f1b56f4
 /*  f131ec4:	0003c023 */ 	negu	$t8,$v1
 /*  f131ec8:	ae580010 */ 	sw	$t8,0x10($s2)
 .L0f131ecc:
-/*  f131ecc:	3c198008 */ 	lui	$t9,%hi(var8007f0c0)
-/*  f131ed0:	8f39f0c0 */ 	lw	$t9,%lo(var8007f0c0)($t9)
+/*  f131ecc:	3c198008 */ 	lui	$t9,%hi(g_WeatherData)
+/*  f131ed0:	8f39f0c0 */ 	lw	$t9,%lo(g_WeatherData)($t9)
 /*  f131ed4:	4480b000 */ 	mtc1	$zero,$f22
 /*  f131ed8:	00009825 */ 	or	$s3,$zero,$zero
 /*  f131edc:	8f310024 */ 	lw	$s1,0x24($t9)
@@ -1485,8 +1485,8 @@ glabel var7f1b5734
 /*  f1323fc:	3c017f1b */ 	lui	$at,%hi(var7f1b5718)
 /*  f132400:	c42c5718 */ 	lwc1	$f12,%lo(var7f1b5718)($at)
 /*  f132404:	c6b00044 */ 	lwc1	$f16,0x44($s5)
-/*  f132408:	3c098008 */ 	lui	$t1,%hi(var8007f0c0)
-/*  f13240c:	8d29f0c0 */ 	lw	$t1,%lo(var8007f0c0)($t1)
+/*  f132408:	3c098008 */ 	lui	$t1,%hi(g_WeatherData)
+/*  f13240c:	8d29f0c0 */ 	lw	$t1,%lo(g_WeatherData)($t1)
 /*  f132410:	46106202 */ 	mul.s	$f8,$f12,$f16
 /*  f132414:	4480a000 */ 	mtc1	$zero,$f20
 /*  f132418:	8d310024 */ 	lw	$s1,0x24($t1)
@@ -1884,8 +1884,8 @@ glabel var7f1b5734
 
 GLOBAL_ASM(
 glabel rainConfigure
-/*  f1329bc:	3c028008 */ 	lui	$v0,%hi(var8007f0c0)
-/*  f1329c0:	8c42f0c0 */ 	lw	$v0,%lo(var8007f0c0)($v0)
+/*  f1329bc:	3c028008 */ 	lui	$v0,%hi(g_WeatherData)
+/*  f1329c0:	8c42f0c0 */ 	lw	$v0,%lo(g_WeatherData)($v0)
 /*  f1329c4:	27bdffe8 */ 	addiu	$sp,$sp,-24
 /*  f1329c8:	afbf0014 */ 	sw	$ra,0x14($sp)
 /*  f1329cc:	50400004 */ 	beqzl	$v0,.L0f1329e0
@@ -1901,8 +1901,8 @@ glabel rainConfigure
 
 GLOBAL_ASM(
 glabel snowConfigure
-/*  f1329ec:	3c028008 */ 	lui	$v0,%hi(var8007f0c0)
-/*  f1329f0:	8c42f0c0 */ 	lw	$v0,%lo(var8007f0c0)($v0)
+/*  f1329ec:	3c028008 */ 	lui	$v0,%hi(g_WeatherData)
+/*  f1329f0:	8c42f0c0 */ 	lw	$v0,%lo(g_WeatherData)($v0)
 /*  f1329f4:	27bdffe8 */ 	addiu	$sp,$sp,-24
 /*  f1329f8:	afbf0014 */ 	sw	$ra,0x14($sp)
 /*  f1329fc:	10400003 */ 	beqz	$v0,.L0f132a0c
@@ -5350,8 +5350,8 @@ glabel var7f1b5790
 
 GLOBAL_ASM(
 glabel func0f135bd8
-/*  f135bd8:	3c028008 */ 	lui	$v0,%hi(var8007f0c0)
-/*  f135bdc:	8c42f0c0 */ 	lw	$v0,%lo(var8007f0c0)($v0)
+/*  f135bd8:	3c028008 */ 	lui	$v0,%hi(g_WeatherData)
+/*  f135bdc:	8c42f0c0 */ 	lw	$v0,%lo(g_WeatherData)($v0)
 /*  f135be0:	27bdffe8 */ 	addiu	$sp,$sp,-24
 /*  f135be4:	afbf0014 */ 	sw	$ra,0x14($sp)
 /*  f135be8:	5040001e */ 	beqzl	$v0,.L0f135c64
@@ -5361,24 +5361,24 @@ glabel func0f135bd8
 /*  f135bf8:	8c440038 */ 	lw	$a0,0x38($v0)
 /*  f135bfc:	0c00cec9 */ 	jal	func00033b24
 /*  f135c00:	00000000 */ 	sll	$zero,$zero,0x0
-/*  f135c04:	3c028008 */ 	lui	$v0,%hi(var8007f0c0)
-/*  f135c08:	8c42f0c0 */ 	lw	$v0,%lo(var8007f0c0)($v0)
+/*  f135c04:	3c028008 */ 	lui	$v0,%hi(g_WeatherData)
+/*  f135c08:	8c42f0c0 */ 	lw	$v0,%lo(g_WeatherData)($v0)
 /*  f135c0c:	8c440038 */ 	lw	$a0,0x38($v0)
 .L0f135c10:
 /*  f135c10:	50800006 */ 	beqzl	$a0,.L0f135c2c
 /*  f135c14:	8c44003c */ 	lw	$a0,0x3c($v0)
 /*  f135c18:	0c00cec9 */ 	jal	func00033b24
 /*  f135c1c:	00000000 */ 	sll	$zero,$zero,0x0
-/*  f135c20:	3c028008 */ 	lui	$v0,%hi(var8007f0c0)
-/*  f135c24:	8c42f0c0 */ 	lw	$v0,%lo(var8007f0c0)($v0)
+/*  f135c20:	3c028008 */ 	lui	$v0,%hi(g_WeatherData)
+/*  f135c24:	8c42f0c0 */ 	lw	$v0,%lo(g_WeatherData)($v0)
 /*  f135c28:	8c44003c */ 	lw	$a0,0x3c($v0)
 .L0f135c2c:
 /*  f135c2c:	50800006 */ 	beqzl	$a0,.L0f135c48
 /*  f135c30:	8c440040 */ 	lw	$a0,0x40($v0)
 /*  f135c34:	0c00cec9 */ 	jal	func00033b24
 /*  f135c38:	00000000 */ 	sll	$zero,$zero,0x0
-/*  f135c3c:	3c028008 */ 	lui	$v0,%hi(var8007f0c0)
-/*  f135c40:	8c42f0c0 */ 	lw	$v0,%lo(var8007f0c0)($v0)
+/*  f135c3c:	3c028008 */ 	lui	$v0,%hi(g_WeatherData)
+/*  f135c40:	8c42f0c0 */ 	lw	$v0,%lo(g_WeatherData)($v0)
 /*  f135c44:	8c440040 */ 	lw	$a0,0x40($v0)
 .L0f135c48:
 /*  f135c48:	10800003 */ 	beqz	$a0,.L0f135c58
@@ -5386,8 +5386,8 @@ glabel func0f135bd8
 /*  f135c50:	0c00cec9 */ 	jal	func00033b24
 /*  f135c54:	00000000 */ 	sll	$zero,$zero,0x0
 .L0f135c58:
-/*  f135c58:	3c018008 */ 	lui	$at,%hi(var8007f0c0)
-/*  f135c5c:	ac20f0c0 */ 	sw	$zero,%lo(var8007f0c0)($at)
+/*  f135c58:	3c018008 */ 	lui	$at,%hi(g_WeatherData)
+/*  f135c5c:	ac20f0c0 */ 	sw	$zero,%lo(g_WeatherData)($at)
 /*  f135c60:	8fbf0014 */ 	lw	$ra,0x14($sp)
 .L0f135c64:
 /*  f135c64:	27bd0018 */ 	addiu	$sp,$sp,0x18
diff --git a/src/game/game_167ae0.c b/src/game/game_167ae0.c
index 29bdccfea..d9a154176 100644
--- a/src/game/game_167ae0.c
+++ b/src/game/game_167ae0.c
@@ -5396,7 +5396,7 @@ glabel func0f16b96c
 /*  f16c9b4:	8dce23f0 */ 	lw	$t6,%lo(var800623f0)($t6)
 /*  f16c9b8:	11c00003 */ 	beqz	$t6,.L0f16c9c8
 /*  f16c9bc:	00000000 */ 	sll	$zero,$zero,0x0
-/*  f16c9c0:	0fc075dc */ 	jal	func0f01d770
+/*  f16c9c0:	0fc075dc */ 	jal	weatherTick
 /*  f16c9c4:	00000000 */ 	sll	$zero,$zero,0x0
 .L0f16c9c8:
 /*  f16c9c8:	3c0f8006 */ 	lui	$t7,%hi(var80061640)
@@ -5807,7 +5807,7 @@ glabel func0f16b96c
 //		func0f149864();
 //
 //		if (var800623f0) {
-//			func0f01d770();
+//			weatherTick();
 //		}
 //
 //		if (var80061640) {
diff --git a/src/include/game/data/data_020df0.h b/src/include/game/data/data_020df0.h
index b8eda5fe6..bc02626a7 100644
--- a/src/include/game/data/data_020df0.h
+++ b/src/include/game/data/data_020df0.h
@@ -133,7 +133,7 @@ extern struct explosiontype g_ExplosionTypes[NUM_EXPLOSIONTYPES];
 extern struct smoketype g_SmokeTypes[NUM_SMOKETYPES];
 extern u32 sparktable[];
 extern u32 var8007f0b8;
-extern u32 var8007f0c0;
+extern struct weatherdata *g_WeatherData;
 extern u32 var8007f0c4;
 extern u32 var8007f0d4;
 extern u32 var8007f0d8;
diff --git a/src/include/game/game_01d770.h b/src/include/game/game_01d770.h
index 81ebbbfe3..fd17d40f7 100644
--- a/src/include/game/game_01d770.h
+++ b/src/include/game/game_01d770.h
@@ -3,6 +3,6 @@
 #include <ultra64.h>
 #include "types.h"
 
-void func0f01d770(void);
+void weatherTick(void);
 
 #endif
diff --git a/src/include/game/game_131060.h b/src/include/game/game_131060.h
index 98da6a355..bd9b4deb3 100644
--- a/src/include/game/game_131060.h
+++ b/src/include/game/game_131060.h
@@ -9,8 +9,8 @@ u32 func0f131334(void);
 u32 func0f131610(void);
 u32 func0f131678(void);
 u32 func0f13171c(void);
-u32 func0f131a30(void);
-u32 func0f1321d0(void);
+void func0f131a30(struct weatherdata *weather);
+void func0f1321d0(struct weatherdata *weather);
 void rainConfigure(u32 arg0);
 void snowConfigure(u32 arg0);
 u32 func0f132a1c(void);
diff --git a/src/include/types.h b/src/include/types.h
index 5d63baed5..e3ccdaaab 100644
--- a/src/include/types.h
+++ b/src/include/types.h
@@ -5780,4 +5780,16 @@ struct ammotype {
 	f32 unk08;
 };
 
+struct weatherdata {
+	u32 unk00;
+	u32 unk04;
+	u32 unk08;
+	u32 unk0c;
+	u32 unk10;
+	u32 unk14;
+	u32 unk18;
+	u32 unk1c;
+	u32 unk20;
+};
+
 #endif